898 sbc heads specs. GMCBEAST Discussion starter.

898 sbc heads specs W. 501 292°/292° cam. C. There not the best heads for sure, but depending upon your budget, you can actually get some surprising results. Oddly enough, the Vortec heads were a I will post the head #'s as soon as i can read them off the heads. The rolled over head (434) was a bad boy in it's time. Are the 1974 dated 882 heads any good? I am starting to build a motor for my 68 RS and have a set that will need gone thru, but I hate to AFR's 200cc SBC Enforcer Cylinder head feature a Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port SBC Pro Action 14 degree heads. 50 valves and have about a 150cc intake runner. These heads came off a running engine so they are in excellent working condition. Jump to Latest 109K views 24 replies 12 participants last post by jesse01 Aug 17, 2005. have a fairly good set of 882s that work very well on engine currently in place now. 02 intakes 1. They flow low 200s-220s with 2. 72: 1. 600" exhaust valves Specifications Intake Exhaust Port Volume: 200cc 74cc Port Dimension: 1. The intake valve sizing is 1. Must have a cranking compression no higher than 150. 60 2. I agree with Bill if they need any work or $$$ to make them work I would buy a different set of heads. lg1969 Discussion starter. valve springs maxed out to the point where there close to binding. Heads fit 1986 & OLDER only. whiskers Discussion starter. 02 intake ss valves and 1. I want to find the specs for these heads because I'm putting them on a 305 SBC Block and was wondering the difference in specifications. They’re often equipped with valve seats and valves designed to manage high heat and stress, essential for longevity. G. C3 Tech/Performance - SBC ALUM HEADS, studs, arp ultra torque: max torque spec? - I’m finding conflicting info on the torque spec for my aluminum heads with 7/16 studs and arp thread lube. 84 intake valves, screw in studs, guide plates, Comp roller tip rockers , and a decent set of springs. I would not try to drill them as the casting is different and not enough "beef" there to drill and tap. old school pontiac sbc heads ? #10033867 Jump to Latest 10K views 8 replies 3 participants last post by 10secBu May 29, 2009 the cam specs are . , so it wont take much HP to get some speed out of it. They are stamped 441 on the bottom and 598 on top, he said they were only made in 1970 and made with 1. I am looking to find out, more about this engine, specifically all the specs / dimensions if possible. They are more preferred over the 882 head due to their heavier casting. If you try and fix up the old heads, you'll probably make 100 hp less then with the AFR heads. PC3002S/AC FF281. They will outflow Vortecs up to about 3500 or so,but,they quit breathing @ 4000 to 4500. new umbrella seals,locks, retainers,springs are suitable for up to a 525 lift cam,3/8 screw in studs,65 cc Re: Runner volume chart for vintage SBC heads? Old Chevy High article? "461" heads were cast with either 3782461 or 3782461X. 02/1 I have used Hot Rodders for much of my sbc build but now i am down to the nitty gritty and have detailed technical questions about my build i hope someone can answer. BTW, these are the heads used on ZZ4 engines to give you a round about idea what they can do. There is a 3986336X head listed so if the second digit is being read as an 8 vice 9 and you/seller is ovelooking the X, then it is a 350 head with 76 cc combustion chamber. Pump gas All motor SBC 427 3308 lbs-29x10. 2. 33 gears 4 wheel Disc brakes E85. They're 64cc and have 2. "Turbo" is the nickname, like "Powerpack" or "Fuelie" is. The heads feature modified combustion chambers with GM’s high-velocity port technology to outflow non-Vortec heads. Short block is a zero decked 406, 511 casting 2 bolt block, scat rotating assy, flat top Mahle pistons, 6" Scat pro series I The x means it is a modification of the original pattern. Bogie In this post, we are going to be looking at Chevy 802 heads and establish whether or not they are any good. 84 valve intakes. To find the area of a circle its Pi * r2 So the r is . adv dur 279 int. I don't know how anyone would have any idea of the stem to guide clearance by looking at a photo of an assembled head, but if it were me, I'd disassemble them and go from what I found after magging, checking the guide to stem clearance, the valve job 210cc All American Aluminum 23° SBC Racing Heads, Assembled, Straight Plug, Each Regular price $1,094. 02"/1. They are date coded. They allow for mounting of the alternator in front of the head (and smog pump on some applications) for sbc engines. Responds well to porting and larger 2. Page 1 of 2 1 2 Next > Joined: Jan 29, 2010 Posts: 982. Neither had accessory holes. Anyways, he told me the heads I have are some of the best stock heads made. 02 intake and 58cc-64cc will make more power. Thanks---the heads will cost 325 for the pair with the 202 intake and matching exhaust and new springs--surfaced-ready to go. 5. 750 stroke crank(20 main/30 rod main, and 991 open chamber heads. . Jump to Latest 21K views 16 replies 11 participants last post by Straight Shooter Oct 12, 2014. place. Hey folks, just got me a set of these heads and was wondering what different opinions of them are. 50: 034: 64cc: 2. Anyone use these Thinking of upgrading the heads on my stock 350, but not looking to spend a bunch of $$. Forged internals. Hyd roller . So I'll get bearings and rings put in and some new valve springs after I I was able to get a little more info on the heads. Discussion in 'The Hokey Ass Message Board' started by olds vroom, Jan 19, 2021. Use a head gasket made for the 350 SBC not the 400. More tech info. 250. My local speed shop sells Patriot heads complete with 2. any guy wanting some serious SBC street heads for cheap, larger CR, blueprints got it. Has a summit 1107 camshaft. 5 valves and the casting numbers are 3932441 or 3923441 (the Camaro, Corvette even Stovebolts can be found here. the heads were remanufactured by Indy head in california,the spec on them is as follows, G. From your post those heads have been totally reworked. The chamber is identical to the 350 iron heads that has casting suffix 193. 7". Ended up with AFR195s on my 383. Aluminum, 195 intake runners, 75 cc exhaust. I've seen that the BBC guys have a few good words to say about the RR's but not much has been said about the SBC version. Moderator: Team. and they had 1. Top. Must run factory-style stamped steel rocker arms. the vortec heads will have casting numbers that end in 906 or 062. 030" 400 with zero deck, Fel-Pro 1003 head gasket, -12cc pistons, 70cc Pro-Filer 210 heads, Weiand 8150 intake manifold, 850 carb, 14" x 4" air filter assembly, 1 3/4" long-tube headers and a custom-ground roller hydraulic cam makes 534 hp @6000 and 521 ft/lbs @5000 on my Dyno-Sim. Small Block Casting numbers. Both were used between '64-'66 on the 327cid and had 64cc chambers. When dyno'd on the Vette's rebuilt 327 (. Jump to Latest The heads on the motor are 340292 heads. 52 intake valve. 470 lift - 210*/215* on 110 C/L - current cam I am curious to what you would suggest for heads for my engine. 297 exh. 99 USD Regular price Sale price $1,094. 02x 1. I would recommend these heads to anyone looking for a great performance head at a great price. Not as good as the good camel back, fuelie heads at the same prep level. Remember the early P/S heads were highly modified available iron heads. n o s makes up for a few cubic inches. Forged flat top pistons. I already have the 601's on the 283. heads are ported smooth and ihave long tube hooker Just dropped off a sbc 400 at the machine shop, we discussed the heads that I had and if I should rebuild or buy new aftermarket. Fireball Mezcal. At one time, a magazine did a test of the Twisted Wedge heads on a 305; they claimed they were the only 2. Hi, Can anyone help me, I have a set of Canfield heads, #20450 on my 95 302 roller block. The cast iron heads use a torque of 65 ft lbs but the aluminum heads require a different setting. -Cam 12-15-2016, 04:28 AM Arp head bolt block ford kit v8 small bolts windsor hex kits cylinder performance heads series high. Jump to Latest 6. The 305 uses heads that have a 58cc and smaller chamber due to the 305`s small 3. If you are looking for more power and better Sbc 487 heads. PN 10134392/Casting number The All-American SBC Cylinder Head Series is a powerful, out-of-the-box, 23 degree conventional port cylinder head product line. Choosing a performance head for your Chevrolet Small Block. 14014416 were originally installed on 80-86 267-305- and 350 cid engs. Discussion in 'The Hokey Ass Message Board' started by Fireball Mezcal, Apr 19, 2007. Dart So without knowing your head gasket thickness or piston type, I can guess that a 76cc chamber on a 350 will give you somewhere between a 8. Available in various as-cast or The 882 head is a 151 cc intake runner, so basically they are comparing a World products head to a small port smog head from the 70s. and not every small valve small block head is junk- the 305 HO heads that end with the numbers 416 flow pretty well for stock heads and the small chambers will bump a 350 with dish pistons up to a respectable compression ratio in the 9. Product Specifications Shipping Dimensions. valves. The heads have been CNC machined to Fel Pro gaskets and look absolutely perfect for $880 complete. Recommended Communities. Definitely not world beaters, but ok for a daily driver good running motor. Must run flat top or dish pistons. 6 Exhaust Valve, 3. If they have screw in rocker studs, guide plates and 2. hey guys, I have a set of sbc heads with a casting # 3973487X also Jl 61 stamped. heads on a sbc. This is going to be put into a s10 for a beater truck so max horsepower is not really a concern, just something to commute in with what I have laying around and take some wear and tear off my 99 silverado and possible help with fuel mileage down the road as But nothing spectacular though they do it with a port under 190cc’s there are many 23 degree head’s that do as well to better with a 190 to 210cc port. 07. I was in the market for a set of aluminum heads for my 331 cu in motor and I thought that these heads would be a good bang for the buck. Not a bad head, just never gained a following, it is a crowded field with every aluminum foundry on the planet making SBC head’s when not producing dog food cans. This means any public paved or unpaved roadway or in a public park. 30 over. Therefore a fully ported 292 head was Chevy C/ED 10134363 18deg SBC Heads originally Ported by Jimmy Bell for C/ED Class 2. 200" X 2. Lost in the 60's Discussion starter. Those guys will be most interested. 00 CC Chamber. 5 Hoosiers NEW BEST ET Put together a 421 recently with cam specs almost identical with ported RHS 235 heads and had similar results. 6 exhaust and cast SBC Bowtie phase 2 head question. 250*. If they weren't dinked with too awefully bad, i'd probably buy them for the price---especially if you have no heads at this point. The 882-iron head out-flowed this head across the board. 600 Valves 45deg VJ on both Int and Exh sides Angle Milled -2 degrees to 16 degree angle from 18deg i will Post Flow Sheets + Pics later however, first-off, my Customer gave me this Head to experiment with , BBC 291 Head Specs? Jump to Latest 26K views 6 replies 4 participants last post by sonk Nov 3, 2005. The engine is a Chevy 350, has a performance cam (no cam card info, sorry), ram's horn exhaust manifolds, '69 z/28 intake, Holley 670cfm carb, side pipes SBC Brodix track 1 2. Looking for suggestions or recommendations as to what 23* head/intake runner size to use for my 421 build. Both were excellent OEM heads. Better flowing heads needs less cam to do the same thing. Still a few small cube comp eliminator cars down under using the Buick heads and making great power. Note: Best Chevy SBC 601 Heads and 305 Heads for sale online at AlliedMotorParts. 107 posts · Joined 2005 Add to quote; Only show this user #1 · Nov 2, 2005. What a good recommended valve spring for these heads and cam setup, Preferably cheap because I'm on a budget? (head specs : 64cc 1. Released in the late 70s, the 882 heads were made of cast iron and were the heavier heads common in their times and in their predecessors. First off this is a 327 sbc. I'm using ARP head bolts and it is for a small block. 60 exhaust valves. Only show this user The reason is because Pre-75 heads were the "heaviest". 080/1. These holes on the front of the head came about with the advent of the "long" water pump in 1969. They fit nicely on the heads but I have a 1/8 gap under the front and back. 92 for the base engine the 2. What's the history behind the swirl fin (obviously to get better flow) . 307 cu in blown gas SBC. I'm looking to buy a set of 441 heads. They are beefy for porting, but they flow almost identically below . 462/. 60" valves CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. However, 062 has slightly larger valves than 906 Vortec Heads. 6 exhaust valves, 190 cc runners and 64 cc chambers and springs good up to . I nearly bought a set a few years ago, but a cylinder head guy I'm friends with talked me out of using them on a bigger cube motor. olds vroom. ASCS / SUPR Series Cylinder Heads To Fit Chevy – Ford – Mopar; V6 Chevrolet Compatible Heads Menu Toggle. Profile Page. MidLife72 Discussion starter. The Gen I Twisted Wedge heads use raised guideplates. 94x 1. 465 exh. Are they going to be a Use these casting numbers to identify the heads you have. Jump to Latest 21 - 28 of 28 Posts. Would RPM well and made gobs of TQ and HP. 736 bore. These heads belong to the D chamber and produce decent torque power. Dedicated Street head. 60 valves they could possibily be from a 1971-1972 350 Z28 LT1 motor (330hp 255hp). lbs. COMP's lobes from their XR as well as XFI lineup. Hyd roller with the same specs as above 3. Too bad, the EQ 220's and 235's were a killer deal while the inventory held out. Put them on 3 customers cars back in 03 and they finished 1,2,3 for the. but would these heads be suitable for a tuned port top end? Small Block Chevy Cylinder Head Identification. The 083 L98/ Tpi heads have slightly more potential with equal valves and prep. heavy weight castings,3 angle valve job,bronze wall liner,aeromax stainless steel polished valves ,202 int. 1 2. I looks like these heads where made in several different configurations. Modern valve covers Modern chamber/ spark plug location, hardened ex seats. Intake and chamber were awesome, exhaust port needed ALOT of help and the cam needed an extra 4-6 degrees of exhaust duration over other heads. Timh Discussion starter. casting # Aluminum heads (and intake) are a sure way to drop lots of pounds. I don't think they are original to your 70. 720. If you have to pay someone to do it tho,it's not worth the costs. 5 valves as 601 casting but larger chamber, actually same chamber they used on all early 305 heads. My references do not list this head for a small block Chevy. Valves were 2. 6 posts • Page 1 of 1. Will the vortec head where you bolt the intake down take 30 ft lbs of torque? Building a 406 SBC and it's time to pick some cylinder heads. eg, 1. The build: stock 4 bolt sbc block and pistons with standard bore and stroke stock 096 vortec heads with upgraded springs and retainers(NEW) aluminum l98 heads on my sbc 350 with a comp cams magnum hydraulic flat tappet . The engine in the truck is a flat top 350 that had 76cc smog heads on it. Aluminum, LT5, ZR1, DOHC, 32-Valve, drivers Side. Weight: 28 Lbs Ship Type: Standard | Additional Information. I was advised that they are 64cc smog style with swirl fin cast into the intake runner. I had the 461X heads from my 62 Vette ported by Mike Stark. Post by JODY » Wed Dec 02, 2009 3:25 am. That is, those castings did not have a reduction in metal in the casting. 5:1. org Date: 2009-03-18, 6:29PM Here are the specs for the "as delivered from TFS" for both versions: G1 TW: 180cc intake port volume 64cc chambers 2. This new 100% CNC ported offering has a rolled 21° valve angle, as well as redesigned valve spacing of 75/90. No porting necessary. 50 valves they are from a bread and butter base passenger car/truck Low Buck SBC Head Shootout: Directed by Alex Skola. 02 and a good valve job. 07 $ 898. 4 to 1. The 601 or a set of zz4 (l98) heads on a 283. 3/8 mile dirt track. these were the heads that were used on all of the target master replacement engines. If you're going to get a shaft system anyway, I'd get a set of AFR 227 heads #1068's. Jump to Latest 2. 501/. Or possibly Targetmaster engines. These heads are very similar to the 441 and 493 400 small block head. 898+ bore sizes, Max . This sbc head casting # 3973487X. Yes they are all roller cams but you can get the idea that slightly different cams work best with different heads and strokes. If you have some information you want to share with us and our visitors, stop by the Forum and leave us a post! Right now we are limiting the listings to Chevy V-8 blocks, cranks and heads. These heads used to be sought after by the roundy round racers that were limited to stock heads, as they do flow a bit better than comparable heads of that era. I know the valves are the same size on both heads as Ive compared the two. Hey guys, I have recently aquired a set of 400 heads (steam holes present) cast numbers end in 642. Torque specs for SBC Vortec heads. Some cleanup & porting can help a lot if you are capable. 2 head 48 ~ 54 CC angle plug 284 CC intake runner Bare heads. With Steve Brulé, Steve Dulcich, David Freiburger. 7K views 1 reply 2 participants last post by S10 Racer Jun 1, 2012. I think that if the price on those was kinda close to an aluminum heads price range,i'd probably go with the new aluminum type. 180" 1. i know that they are rec port/closed chamber, but thats 10033867 "Pontiac" SBC heads. 63 posts Post by ST7317 » Sat Mar 28, 2009 1:05 pm. Early heads do tend to have more value as they appeal to a somewhat larger audience. their center bolt valve cover head. SKU 10024267A. Jump to Latest EQ only still offers/sells the Vortec Replacement and IMCA spec 170-180cc heads. Any info would be appreciated. Sort by Oldest lookin for specs on sbc heads. Featuring high velocity, PRECISION As-Cast or optional CNC ports. NHRA spec's out the intake runner at 159 cc's max, so that probably means they are 150-155 in stock condition. 50" valves, 64CC combustion chambers, straight plug configuration, not sure on the accessory holes, and I do not have any port volume data on these heads. Sbc arp head bolt torque specs [fast and effective ways]Sbc head bolt torque specs & sequence Torque head specs arp stud needed engine ls1tech camaro replyEngine sealants and torque settings. SBC 624 heads (or Chevy 624 heads) are lightweight models of 882s from GM. This made the intake bowl around . 1971-75: 330545 307,350 1. 2357 posts · Joined 2006 Add to quote; Only show this user #1 · Feb 25, 2008. These heads were used in various SB Chevy's for the 72-73 production years. It has a little too much thrust bearing walk for my taste and they couldn't remember the exact cam specs. 6 to 60 cc most Power Pack heads were (there are some that are 70cc, mostly on trucks). 1200 posts · Joined 2007 Add to quote; Only show this user #1 · Sep 25, 2009. 050 227 int. Thanks. 1980RS Guru Posts: 1779 Joined: Thu Oct 13, 2016 Here is a strange one, this week I pulled this set of heads of my 400 to swap on some Vortec's. 550 lift springs that will work on my kids spare SBC for his dirt mod. Found it: • View topic - Import core for "BUDGET" CNC head. 12 with the head gaskets & pistons i'm using. Third Gen Racer Discussion starter. SBC 350 Cylinder Head Bare Straight Plug Aluminum Perfect fits for Chevy Small Block 302|327|350|383|400 200cc Intake 64cc Camaro Z28, Chevelle, Monte Carlo, Hot Rods, Street Rods $898. k 898 Replies. No matter how many LS swaps are out there, the old-school SBC is still an absolute force in the marketplace. These heads do have the accessory holes in them. Probably closer to 8. 400" Intake 1. Oh and I actually found the exact specs on my engine the way it came. Heres the specs. 1001/2 351633229200 291996169160 New Complete set of Aluminum Small Block Chevy Motorsport heads. Pontiac 867 head for sbc. This adventure started with a $300 set of used aluminum cylinder heads from a trashed '87 Corvette. While 906 and 062 Vortec Heads share some C3 Tech/Performance - 1972 SBC Cylinder Head Identification - Took the valve covers off last night to get an idea of what I'm working with while I start putting together the plan for rebuilding my stock 350. 0L 305ci V8 SBC 601 Cylinder Heads. You know the shop that put this together didn't read the fine print in the 383 kit----gives 10:1 compression ratio when used Just about any set of heads that has a 1. These springs are 1. I've had 'em on my 'Camino for years and years; but not many miles. They have 1. Jump to Latest 40K views 31 replies 14 participants last post by mikesteifer6970 Apr 22, 2022. 650 Lift, Each See More Specifications | Check the Fit Summit Racing™ Precision Cast Cylinder Pro Action™ Small Block Chevy Cylinder Head #12334 DESCRIPTION RHS™ Pro Action™ Small Block Chevy 23° cylinder head, bare casting cast iron, 200cc intake runner, 50cc combustion chamber, angle plug 2. The 126 head is a heavy casting, 74-76cc and is not junk by any means. very happy with small block competing against mostly big block trucks. 250 radius, that would = . Everything I have read and been told (I have not had the heads off of mine to confirm), the chamber size is 76 cc. And it seems like the IK heads are somewhat meant for the penny pinching types, and I sure fit into that group, LOL. High-performance SBC heads usually come with larger intake runners and better-flowing exhaust ports. 76 posts · Joined 2013 Add to quote; Only show this user #1 · Feb 22, 2018. 64 posts · Joined 2011 Add to quote; Only show this user #1 · Apr 5, 2012. on an iron head. 02, 1. GMCBEAST Discussion starter. Engineered by Chevrolet, Which would be better. They are casting number 14101128 (58cc/angle plug). Ignore the holes in the heads from this point on- they will be plugged by the 350 gasket. Just got the first test piece of the new 220cnc SBC heads. You will get a much better street result (big torque) for the cash spent. points championship that year. I did manage to run in the 12's with a set of 882's on a 383 but, I had a lot of time and wasted money into them. The other pair are 993's "Hecho en Mexico" I guess I didn't know 993's were also made south of the border. Jump to Latest 24K views 10 replies 5 participants last post by GMCBEAST Apr 6, 2012. So farso good. Discussion starter · #21 · May 13, 2007. 02 for the LT-1 engine. All the sbc aftermarket heads are better. T. and any thoughts/opinions on them. As a start point. 90° V6 Series Cylinder Heads/23° AFR's 195cc SBC Enforcer Cylinder head feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. Thick deck - Can be used with Nitrous or Superchargers 190cc Intake Runners 64cc Chambers Straight & Angle plug Available. Cast-Iron Bowtie Heads. Thanks, Butch It looks like the heads were sand/bead blasted w/o removing the guide plates or studs, then reassembled. Any information on these heads is greatly appreciated. One pair are 882's with race springs (don't know the specs yet). 500" as a lot of the 993 heads came out with 1. 94 valve seats, no heat riser, SBC Head Specs. I have 2 intakes but The intake bolt holes are a bit wider than the holes on the heads. 88. Maybe he will chime in here. They yield average flow numbers, but respond to modifications just like any other small block head. 84 intake and 1. I know with smaller heads you give up some top end HP, but you don't spend much time over 5k RPM it probably won't matter much. S. 50 or 2. 76 cc combustion chambers. The fact that the heads are aluminum makes no difference. AFR Enforcer SBC Cylinder Head 195cc Street Heads, straight plug; Assembled. Valve gear was very stable. 416 is the so called HO head has the same 1. Arp main bolt torque specs sbc new images bolt 9476Arp torque head bolts specs ls1tech reply Info archivesArp 134-3601 sbc small block chevy aluminum steel What u think of 3998993 sbc heads. The current heads are the old school powerpack heads which from what I've read yield a 138cc intake runner. Ok, now I am lost if it has a . sonk Discussion starter. SB2. As a hedge, we've also incorporated their tool steel retainers. My small block Chevy rebuilds book says 65 lbs w ARP LUBE: anyone think this is wrong? i have the sequence and I’ll start at 40 Engine Mods - Torque specs for Brodix heads - Bolting on a set of Track 1's and I need to know the torque specs. (Weiand 142/177 Roots There are more than one stud style for the SBC, so look it up by the part # of the studs you have. 3M members. has anyone ever used either these castings? i'm wanting to put a pair on a 305. STUDE55DOG Discussion starter. I already had the heads or I would have gone 200's. The 327 SBC is a great-easy motor to supercharge. Anyone have info on these heads? 441 sbc heads. Description Professionally rebuilt pair of Small Block Chevrolet cylinder heads. These have good . SBC 441X Heads. casting # chamber vol. I figure that if the ratio is 9. 1 post · Joined 2012 Add to quote; Only show this user #1 · Jun 1, 2012. They are now retooling the heads to our specs and to be a more common/streetable performance head. Will ship straight plug unless you request While we're not a race shop, we've several SBC's with similarly spec'd hydraulic rollers. 60 valves, and were What are the specs on these heads, valve size, runner, chamber??? The next part of my question is what casting came on a 69 chevelle 350? Thats what i have now but the numbers are so wore that i can't hardly tell what they say 3's look like 8's, 7's look like 1's and vice versa. SBC Head Casting #14022601 Cast Iron. They were tough, too. 94 and Exhaust 1. radracer43 Discussion starter. Standard height exhaust port. Heads from Dart, EQ, and RHS can make big horsepower numbers right out of the box, and they don’t cost an arm and a leg! This Tech Tip is From the Full Book “ HOW TO BUILD MAX-PERFORMANCE CHEVY SMALL BLOCK L98 heads offer some improvement over SOME other O. 84 and 1. 350" X 1. 08/1. The 3917292 was found on 1968 327 and 350 engines, had 1. Dart Iron Eagle S/S Small Block Chevy Cylinder Heads-Add to cart Compare. Small journal engine. I have a pair of these cast iron 14 degree heads "as cast" IMHO as opposed to changing the heads on a 355 SBC,,,, I'd turn that 355 into a 383 stroker and keep and port the heads you got. Has 72° bolt angles. 95 tbi heads#810 thanks double vision saves my intake from being drilled heads will be donated to scrap pile. Save Share Reply Quote Like. There are guys out there that want original iron GM stuff, being ported by Mondello makes it that much better. By the time you get into rebuilding machining and all the work to make these old heads flow good its cheaper to get a set of new cast iron or aluminum heads. we figured 75 cc on volume or Bigger valves help too. the compression will be 9. One of the best cast SBC heads ive ever ported. I am looking for any and all info on these heads . Here's a link this is the exact Take both sets of your current heads, and trade them for some #601 casting 305 heads; you may even get lucky and get the 1. You can get them for around $1,500 with free shipping on ebay. lbs w/ oil. 72 1. Must run factory cylinder heads (no aftermarket race heads allowed). 55-inch combination and it has a 58cc chamber. I know it's 65ft. Mark Jones just did a set of 041 heads for my 408" SBC. Static compression ratio is 10. This casting # has been used in many different versions of this aluminum 18′ and 15′ Bowtie Camaro, Corvette even Stovebolts can be found here. The BRODIX BP 10 STD CX is the newest creation in a long line of successful small block Chevrolet compatible heads. 100 lift/ 54cfm intake etc. This budget friendly head is perfect for your 350 to 400 Cubic Inch operating below 6000 RPM. 160 exh. The heads which I thought were 487X heads had a casting of like a 596 or something Been contemplating heads for a future 327 build for my ‘57 210 post and today some reconditioned 896 heads with less than 10k materialized for $200 for the set. I'd keep them if you can't get a good price for them. 94intake 1. MSRP: $ 1,027. The L31 Vortec cylinder heads represented a major design change in Gen I SBC heads. It's possible that you/or seller is misreading the casting number. 25" diameter w/an installed height of 1. Sale! Iron Eagle S/S Chevrolet Small Block Head – 165. these would have to be better than a 601 or 416 casting heads. I'm not a big fan of World heads. 200 to . The best advice is to sell all the old stuff on ebay for whatever you can get and buy a new set of AFR #1040 195 heads. M. Hi folks, I need a little info on torque specs on a 400 sbc I'm switching to head studs after finding a couple of bolt hole to THose heads (882) are not very thick or strong castings and typically crack between the valves. Several months later, not to mention about $8,000, I found just over 80 hp, and about 90 lb-ft 340292 sbc heads. SBC 220cc. 1585 posts · Joined 2011 Add to quote; Only show this user #1 · Jan 19, 2014. 50 inch dia valves. The ATK heads were Pro-Filers, but ATK changed sources and went to Dart. SBC SB Chevrolet 350 IMCA Assembled Heads 1969 – 1985 - Part #EQ-CH350AA Universal, Intake Runner 178cc, Combustion Chamber 76cc, With Heat Riser, 69-86 Intake Manifold Bolt Pattern, 7-Bolt Hole Exhaust Mounting, Straight Spark Plug, The 336(x) heads are very similar to the other early to mid 70's large chamber smoggers 441 487 920 etc. They do provide good lowend torque. Valve size the larger the valves, the more air they flow. The listing ran 4, maybe 5 pages, and was in the form of a chart/listing. 575" lift to 7000 RPM. At peak, AFR 195 CC Eliminator heads were 40+ HP over the Dart heads at peak. 18:1, dynamic compression ratio is Also told how straight and nicely sized the guides were and how good the seat were. The "standard" 461 head's intake port volume was 161cc, exhaust was 62cc. from Nebraska. 305 heads are common at These heads,as per www. Both are good performance heads. If this is something that you are interested in, then stick around. 53cc chambers will help with your CR, being even smaller than the 56. 02 valves too. Those Mondello heads will probably become collector pieces at some point, if not already. I have a 72 w/350 base engine with 487X heads. Semi custom SBC cams based on stroke and heads used. Joined: Aug 18, 2006 Posts: 37. 98 Your Price: $ 1,005. 292" – 3917292, or 340292. M SBC heads but compared to most current aftermarket heads , and even mildly reworked vortec heads L98 heads are rather pitiful. The casting number of those heads ends in 083, and yes they have 1. 02/1. Any and all help is greatly apprreciated. 76 posts · Joined 2003 Add to quote; Only show this user #1 · Aug 15, 2005. 36 posts Previous; 1; 2; 3; Next; RW TECH Guru Posts: 2439 Joined: Fri Nov 25, 2005 2:08 am Location: DETROIT, MI. 172in 180ft of mud this weekend for 3rd. 50 exh. 00/1. 479 lift int . Torque specs on sbc heads. 94/1. I was involved with a BB/A Comp program that ran them. 3 with 64cc heads it will be lower with 76 and id like at least 9:1 comp. 580 lift. C1 & C2 Corvettes - Are 3973487X heads any better than other large chamber SBC heads? - I pulled the intake and valve covers on my 72 C10 to fix some oil leaks. I didnt have any heads and mine are fresh rebuilds with some manley valves from my machinest he had on the shelf for $600. Jump to Latest 8K views 3 replies 3 participants last post by STUDE55DOG Nov 9, 2010. Important: This product is illegal to operate on any public highway. 5:1 and 9:1 compression ratio. they have 64cc chambers & 1. outintheshop cast no. If that is the case,this would cause detonation problems with stock timing. 300 more shallow than a standard modern performance SBC head which deleted this water port. 64cc combustion chamber, 2. 60 valves with a back grind, plus a few small machine extras but no porting. 940 intake valve, not 1. If steam holes are needed for 400 engines, use a 1014 gasket. Jump to Latest SBC Casting # 14022601 Thanks for the info---53cc seems very small for smog era heads. What I have is an 350(010) block, 4340 used 3. Seller rating: 3. I have edlebrock performance intake,rocker roller arms,new rods H beam connecting rods,and dome top pistons to get to 10. My '65 has a SBC with Edelbrock Performer RPM 60739 heads. Thank you for your time. I watched a dyno video on SBC heads and within reason the bigger CFM heads didn't lose much on the bottom end which surprised me ( I think they were 170->200 cc range) . They would anhielate the 867 23 The 993 heads were used in 72-73 Chevy 350s, many of them were the 250 horsepower version. 750 gasket type spark plug that Promaxx recommends the threads of the plug are out into the combustion by about 2 threads plus the base ring of the plug. I never asked what they flowed because I trust him and don't really understand all the details. • View topic - Import core decked. I know there;s a gap there but 1/8" seems to much. General engine tech -- Drag Racing to Circle Track. Looking to make 550+ish hp at around 6500rpm max. They come complete with the valves, springs, and SBC heads. Made a head change and went to It weighs under 3000 lb. 94 intake and 1. They come fully assembled with SBC 882 heads. intake valve exhaust valve; 032: 70cc: 1. 2957 posts · Joined 2000 Add to quote; Only show this user #1 · Feb 8, 2009. The information I am looking for is information such as . 50exhuast) The 193 TBI heads actually flow well in the lower RPM range. E. A +0. Straub Cams I'm from the buy the best heads you can afford camp. just using what i have for now, so if your budget permits go newer cause a set of vortec flow stock around Technical Confused sbc head question. 50 exhaust valves. Joined Apr 26, 2007 · 114 Posts. 062" We are always looking for new castings numbers. Post by RW TECH » Thu Dec 22, 2005 3:19 am. 94 or 2. What is the torque specs for an alumin. You are going for the date code guys which like to stay within about 4 weeks from car build date for heads and blocks, so folks with a mid January build cars to early to mid February build cars, in my opinion. 60 Blocking the twinned egr heat riser passages helps. Not as good as vortec heads. 500" diameter. sbc head stud torque specs. 5001 74 1971-73: 330862 High performance premium cylinder heads and components for LS & LT applications. 02" intake and 1. The flow figures below are with a 2. Save Share Steve. Jump to Latest 487 heads i have a set on mt 350 except mine are 487x been looking for flow numbers cant find any not even on stan weiss, im thinking they flow close to camel humps somewhere around 215 intake at 500 lift. 99 USD specs on 350 crate motor heads casting #93417369. This piece is not our first choice for a performance head considering that the largest valve this head fits is a 2. The numbers I read off the heads were the following: 8998998 R133 Searching for the 8998998 casting number The 601 is a truck head it has really small chambers maybe too small because theyre tight around the valves it shrouds them pretty bad. if they have pressed in rocker studs 1. This will teach you how to read SBC heads by the casting mark Enginequest 200cc iron SBC heads. Another option to what has been offered is to replace the dual springs w/stock-type springs that have an inner damper. Some time ago Chevy High Performance magazine did a Mr Goodwrench 350 build up from stone stock to screaming wild in itty bitty steps see the included URLs. We emphasize precision and adherence to specifications to ensure peak performance and longevity of your SBC engine I think it was a better head than any turbo head or early P/S casting. I need help finding specs on theses heads. 02 Intake Valve 1. pistons and rods are new since I first posted after talking to machine shop and summit tech. ARP torque specs are frequently different than factory specs because ARP uses a different material for their parts. Jump to Latest 5. Head Bolt Torque Specs: Torque all head bolts to 75 ft. Thanks to specific designs, they generate better flow and run a greater lift cam if their springs are taken care of and upgraded frequently. You can buy 23 degree heads now that will match or exceed them on bigger cube motors. R. 180/1. 10110810 & 14101083 sbc heads 10110810 & 14101083. A bit different intake port. The #450 heads are from smaller sized SBC like 305 and below, but the shop that sold them to me said they could make good power. its not worth the $$$ if you don't already have a set as a $400 purchase plus 800-1000 in porting to bring them up to spec isn't worth it, the small chambers are nice however. 00 CC Port, 76. 1523 posts · Joined 2006 Add to quote; Only show this user #1 · Jan 1, 2022. Deals Forum This aluminum head was used on the Corvette TPI engines from the mid-Eighties until the LT-1 1992 motors were introduced. Upgrade your engine's performance with Chevy 5. 1980RS Guru Posts: 1779 Joined: Thu Oct 13, 2016 2:03 pm "New cylinder head. 250 =. This head also features newly designed intake and exhaust ports that flow an amazing 349 cfm on the intake and 242 cfm on the exhaust! SBC head/valve size info data base ? Jump to Latest 18K views 5 replies 3 participants last post by Lost in the 60's Feb 26, 2008. Rarerat Discussion starter. That is about all I could come up with. 241 exh. Before torquing, coat the head bolts and rocker studs with a thread sealing paste. I have no idea whether the flow specs are still the same. Hardened seats, very clean, pulled from a’63 Corvette resto because the date codes were wrong. Only 3 left in stock. What I’m looking for is a good 305 head for a 92 camaro RS TBI 5spd. Anything OEM will need judicious rework with a die grinder to wake them up. They had only ONE exhaust crossover passage and there was more metal around the lower Head Studs: standard SBC head Stud hardware (ARP studs 134-4001) Head Gaskets: Fel Pro 7733PT or 1003. Member. 080 valve and production valve job with no blending . 875" stroke crank), they made 12 HP less than a pair of 200 CC Dart Pro 1 Platinum aluminum heads. I have been told to use the 350 heads and I cant figure out why. BEST PRICE, BEST QUALITY ON THE NET! THIS IS FOR A PAIR OF CYLINDER HEADS with 882 CASTING NUMBERS Details Heads are thoroughly cleaned and inspected Pressure SBC TRICKFLOW G2 CHEVY HEADS PORTED SMALL BLOCK ALUMINIUM Reply to: sale-fk3es-1081239852@craigslist. FREE delivery Wed, Sept 25 . Gotta watch the lift, though. The 906 and 062 Vortec heads are two popular cylinder head options used in small-block Chevy engines. They could be used on any SBC block from 1955 through the end of the Vortec engine production because the mounting holes lined up properly and the water passages were the same as the cylinder heads from the past 40 years. 1970 Malibu With my conservative cammed Wolfy spec 383, it made 368 RWHP and 449 RWT. A 64cc 083 head from a L98 350 TPI motor can work real well. 5:1 to 10:1 range, which is doable on pump gas as long as the cam The 292 heads were designed around 1970 and are based on the traditional SBC head at the time which had a water port in between the intake spring seat and the intake bowl. camaroboy1991 · Registered. 94-1. COMP's 26918 has worked well with zero failures associated with valve train stability. 70FG 776 Replies. @ . These Chevy 601 heads are meticulously crafted to exceed OEM specifications, making them the perfect choice for enhancing your vehicle's performance. 02: 1. 60 Check Details Torque head bolt duramax sequence pattern arp lb7 chevy forum kb views type file gmc. Casting Numbers to look For. 020" intake/1. I believe this casting came on GM Goodwrench engines. The castings seem to be good, but the . Info on GM heads #93417369 Jump to Latest 17K views 2 replies 2 participants last post by goatjj Mar 21, 2002 LH Series Cylinder Heads/17° Head Hunter™ F Series/15° ST 5. they are a heavy casting head and are one of the best for street performance on a 350. 7th Gen Mustang Forum 2K members. Cylinder head assembly was used on 285 hp 350 engine (P/N 12353641). 5 valves. I bought two pairs of SBC core heads last week. 1K views 15 replies 7 participants last post by Aaron Jan 3, 2022. They’re ready to bolt on right out of the box as PN 12558060. Hi, folks. He was porting them to match an Isky 280 Mega in a pretty mild street app (450HP/500TQ -- 5,500 max RPM), so I'm sure he wanted them at a certain spec. 60" exhaust valves. Buyer beware. 600, ProFiler casting. I certainly could find a Developed in 1975, the best SBC head of the era. Even had a blurb from Darin Morgan(Reher-Morrison head man, AFR heads designer and designer the ProFiler head), he was impressed enough to say it was a nice casting. 040" over with a turned-down Callies 3. A dead motor contributed a set of 58 cc 416 heads with 1. We design and manufacture a large line of cylinder heads for LS1, LS3, LS7, LS9, LT1, LT2 & LT4 engine platforms. The 083 were used in Fcars and the 193s were used in light- and medium-trucks and fullsize passenger Model specific subject matter experts, classified ads and more. 9/5 (3,241) Add to cart-Remove. 95 posts · Joined 2004 Add to quote; Only show this user #1 · Nov 9, 2010. B1 Series/15°/18° Spec Heads Menu Toggle. I’m not looking Chevy LS Cylinder head, 210cc Cathedral port Intake Runner, 64cc Chamber, 2. Most SBC performance heads have 2. They are old style castings most use large s-plugs and have soft seats. little truck ran 4. AVS Forum 1. the ones on the target masters were made in mexico and have HENCHO EN MEXICO cast into them. In all my years, I have yet to see a small valve 126 head. 60 heads that would clear the tiny bore of a 305. Look like some serious power, better yet they start out fully assembled pair for $895. 60 Ford Aod 4. from Thanks for posting this, you have my attention and interest. I have a set of Chevy late model small heads casting #14101083. 0 Series/20° Track 1 Ford Compatible Series/20° Mopar Compatible Heads Menu Toggle. The head casting number was 3973487X. I found the casting number at Mortec, which said the heads could have either 1. I've found a pair of Corvette L98 heads for cheap ($350 ready to bolt on). 1K views 2 replies 2 participants last post by lg1969 Sep 25, 2009. A stock set of rebuilt camel humps will be much better. . They have 14mm angle plugs, 2. 58cc chamber and 1. The head pictured has a 1. Each 882 sbc heads?? Jump to Latest 20K views 17 replies 12 participants last post by pdq67 Feb 11, 2009. Just my 2 cents I'm rebuilding my 283 out of my '66 c10 and I am wondering what the flow specs of my power pack heads are. I have been trying to find info on different head casting numbers and only come up with mor-tec's C1 & C2 Corvettes - Chevrolet Cylinder Head Comparison Chart/Specs - A while ago (maybe 1 year ago, approximately), there was posted somewhere on this forum, a link to a listing of all Chevrolet and aftermarket BBC and SBC cylinder heads. This is a set of L98 Corvette aluminum heads. egbpd tmety jgdw ldelpjob ypsm mdlyccj zgcgf kgsdajf fjt lhyffxn