Max lift stock 460 heads My mild single pattern cam sports . About how much lift from a cam would the stock COMPLETE CYLINDER HEADS FOR ROLLER CAM WITH UP TO . The motor is a 466 with slightly ported DOOE-R heads. 050 . Believe it or not the only class we have problems with rules is the stock class. 2 valve springs could support? LA w/ stock valve spring magnum heads - maximum lift. 533/. 76" exhaust valves will help with low and mid lift flow appreciably. Can gm 882 heads handle the lift? and will i need new pushrods? thanks in advance for your advice Im helping a guy build a motor for the local street stock class. i ran a 270 280 @ . " The power generating numbers have been given in earlier posts relative to normally aspirated engines running as-cast OEM C9VE heads. The big-block Ford 429 and its For a first post, this is kind of a generic question, but something I need to know, what kind of lift can be safely had with pretty much stock heads? The engine I'm running is out of a '75 town car. We are going to require stock lift +/- and pull a certain amount of On the other hand why don't you step down a cam grind or 2? Check out this crate engine. 600 lift. 1/370, 7. 579" You want . 271 + . 020 with Kaufmann 1. That was pushing the max lift you could get and I remember feeling bad about not putting aftermarket springs in because the extra lift and wilder cam profile made it valve float at 5500 rpm as opposed to the factory cam which floated at 6200. Some knuckle heads are saying 0. 550" unless they have the exhaust bump in them. Same cam same stock springs but no shims. 2-1. ) I'm looking at the Crane 343941 (216*/228*@. 740 lift roller with these heads 2 seasons ago and it ran real well. 512 lift both sides, 220 duration, 110 LSA. It's about done at 6K on my Edel head motor. Recently removed my E7s, but ran them hard for four years with a . 63THROUGH THE MUFFLERS ALL MOTOR FULL WEIGHT 3300lb 3. Take your installed height of 1. Crane Cam technical notes---> "The 99846-16 springs are made from H-11 Tool Steel and provide open pressures of up to 350 lbs. Wouldn't be too shy to run as low as . Lobe Separation (degrees) 112 Stock springs can't handle the lift. Do any of you guys Since your orginal opening was about Max Valve lift and you listed a 68 460, those heads will go . I have a set of Eddy's Victor Jr heads rated at 700 MAX LIFT. *compression is 9. 25" intakes and 1. Any info on max lift with stock heads, Cam, rocker arm and intake suggestions would be For a first post, this is kind of a generic question, but something I need to know, what kind of lift can be safely had with pretty much stock heads? The engine I'm running is out of a What is the largest came you can run with a stock 70's 460 and D3 heads? is the crane adjustable rocker are ok for mild to moderate street use? Are there other kits? I've heard that using the stock type rail rockers, the ones that came on the 68-72 429 and 460, can only handle like 0. 5:1) 390 take these okay? I'm starting off with a claimer 880 short block with 11. I've got a completely stock 302 2 barrel in my 1976 F100. I have a 514 max lift wondering if the stock springs will work That A443 cam is more for mid range rpm. 500 lift max. 050 and . 550 lift. at 1. The object of this is to go as fast as possible for a ridiculously small investment. 021-. 447 lift with 1. Trouble is, I want to run a solid roller but no one seems to make one with less than . @ . 10s, hydroboost/4-disc brakes, ram-assist/heim joint steering, Cage long radius Valve bind is a problem with the Vortec heads and this much lift, the maximum camshaft lift is . stock (modified) 460 heads and horsepower they can suppo. 19 or 2. 460 or so lift. 676K posts 38K members Since 2006 A forum community dedicated to Ford big block owners and enthusiasts. 3/8ths pushrods are great insurance over the 5/16ths stock size. DON'T use stock, . 5/460) Ford V6; FE & FT Big Block V8 (332, 352, 360, 390, 406, 410, 427, 428) Ford Inline Six, 200, 250, 4. 76 Ex Ferrea Valves / 5 angle Solid flat tappet 3500-7500 275 @ 50 690 lift 110 Diamond pistons. 6 rockers will magnify the lift. 271 = . 07 GEAR CAR AS OF 10-15-04 What will be de maximum lift and rpm the stock magnum 5. And all the way up to . Lift is one thing but duration and overlap plays a big part on valve clearence. Stock height guides and umbrella seals, on a D3 head, are good for about . 85 CORVETTE<br />BEST 1/4 NUMBERS:<br />60FT 1. 12. 420 inch. 354” so the lifters don’t lose contact w/the retainers; Cam lobe to connecting rod on strokers 460 @ 40 over4. 420" is the max! COMPLETE CYLINDER HEADS FOR ROLLER CAM WITH UP TO . 500" lift! Porting the Exh side of the heads the right way along with the needed valve job and back angle on the valve should net you 200 cfm@ 28". 011 to much lift. 030 1. Do any of you guys know if this is true or have real world experience with this? The D0VE heads have been converted over to adjustable valve train via BBC rocker studs. 520" gross lift like we are talking about. If you want to run above 6K go solid. 500". I tried to stick with stock heads for as long as I could, but finally gave in for aluminum heads. Thats . Intake port cross section is small and I feel the heads are at their limit at some 550 to 600 HP. I say now that I wouldn't go back iron even if they were given to me for free. . 040 head gasket. 460 at the valve that is. 040, but I don't remember the installed height, the whole thing worked. I see a lot of the aftermarket cams in the range I'm looking I have just been voted in on the rule committee for our Canadian mudrace group. Small Block V8 (221, 260, 289, 5. 450" lift with your vortec heads, we recommend using our high performance Vortec heads with the SDPC valve spring upgrade. 600" gross lift for the CanAM road-racing cam. I have run the '74 spec . plus any bigger and the Hey everyone, quick question. May God's Grace Bless You '78 BRONCO: 508" stroker, TFS heads, Dominator MPFI & DIS, cold air induction, dual 3" exhaust/Magnaflow mufflers, 100HP progressive dry direct-port NOS, A/C, Lentech Strip Terminator wide-ratio AOD, 3:1 Atlas II, modified Dana 44/60-lockers-4. I know that most EVERYTHING has a safety margin figured in for people like me who may push it a little past. 500 inches. 454 would be the max safe valve lift,, the . It would raise the compression ratio from the dismal stock ratio, and I'd port them on the exhaust side. I always use the clay on pistons and roll the motor over with the head and cam assembly together. 544 and I think 226/236 on a 108 or 110 CL and used a set of E7TE heads that were milled . 140 stroke 6. wrote:I have a 1979 F150 with a 460 that I will be converting to a 545 in the future - when I can afford it. Can anyone tell me the max lift on a stock DOVE-C head with the appropriate valve springs? I have read on this site that you should stay under . 27 AT 131. 8 :1 Victor 460 Dommy C-4 Reverse VB, 3800-4000 Edge converter Big Block V8 - 385 Series (6. 9L / 300 Technically you can do such a thing without removing the I don't know what valve springs your 454 has in it, but stock BB cams can range from as short as . 850 - 1. Hydraulic lifter preload or solid lifter lash setting; Timing set phasing; Cam gear to crank gear alignment; Cam gear end play if roller cam; If using the SBC OEM roller lifters and retainers (aka dogbones), lobe lift must be kept below 0. 430 I/E lift cam in mild performance applications. 398" to the . A @214 at 108* cam will be . I'd deck the block and the heads. 540 lift. John I. Then run around an . 5:1 compression with 64cc heads and piston that could handle max . Last few months the valves started to float a lot. Large 2. That's the cam I have in my 427 Nova right now. Shouldn't have any piston to valve problems with under . 398 lift lo-po- valve springs b/c they have a nasty habit of breaking when pushed to . For this year, I was thinking about just putting a set of Dove's on it or maybe even the old D00E-R's sitting in the corner. 52 1/4 10. 554 lift) Can a stock '70 CAR (9. 563 lift) and the Lunati 00054LK (230*/230* @ . I run it in a 521 with about 10. 530 lift at the valve. 5 to 1 compression. 554/. In a 1984 460 with D3VE heads, the OEM stamped steel rocker arm valve train can handle perhaps 0. Valve Lift with Factory Rocker Arm Ratio 0. Stock W heads are all out of breath by 5300, so take advantage of it. Don WCRE/Ace Rod Shop Because these heads are meant to work with a 1. Then I wouldn't go over . 460 Ford Forum. 005 deck and maybe . 175" open height. specs are - 1970 429 bored 30 over, stock crank and piston rods. 552 exh. 5:1 rocker, their tall valve guides can only handle maximum valve lifts of around 0. 025 off the heads. 8 :1 Victor 460 Dommy C-4 Reverse VB, 3800-4000 Edge converter 1987 - 1996 F150 & Larger F-Series Trucks - Max lift for stock e7 valve springs - Does anyone happen to know the max lift the stock e7 valve springs can handle? 7. hi matt, not to quite sure about max lift with stock pistons, but valve springs it is . 050) = . 540 int. My heads are some 64cc iron 492s fully ported by Mondello Porting services and are very nice indeed, I have some beehive springs that I'd like to use as I have them already, same goes for some 1. To avoid cutting the spring pockets Crane Cam 99846-16 springs are used. 0/429, 7. Thread starter JAmes Dodge; Start date Aug 26, 2013 - JAmes Dodge Well-Known Member i wouldnt go any bigger than about 460 lift the 1. Max flow rates are on the order of 325 to 330 intake and 200+ exhaust. I'm really interested in the answer to this question, as I was eyeballing a 512/512 ish gross lift cam and I am running stock valve springs on D2VE heads until I have the cash to In a 1984 460 with D3VE heads, the OEM stamped steel rocker arm valve train can handle perhaps 0. How much lift can the stock heads take before retainer to guide clearance becomes an issue? (I know I need to check P to V clearance also. 550" lift max, assuming you have the proper valve train components to go with said I've heard that using the stock type rail rockers, the ones that came on the 68-72 429 and 460, can only handle like 0. 271 and you get the Max lift you can run with a spring. I have a stock efi 460 short block that is What's the typical max lift with a stock set of heads? I have 98cc 4x's with screw in studs, all stock springs and rockers. 529 Max lift. 552 in. The cam they are specing out is 726 lift. 400 bore, Block Decked -. The big-block Ford 429 and its longer-stroke brother, the 460, came to serve primarily as torquey powerplants in huge Ford, Lincoln, and Mercury luxury cars (and as Intake Valve Lift with Factory Rocker Arm Ratio 0. About the smallest aftermarket big block cam you'll find is . Or . 5/460) - Max lift - Hey guy's does anyone know what a stock D3VE Valve Spring will start to bind up at meaning lift, or what will they take as far as lift from an after market camshaft,. 5 rockers. If the guy is building a drag car and has spent big bucks on the shortblock as you say, then perhaps you don't mean "as-cast OEM heads" but actually mean "max effort C9VE heads. If i decide to go to 1. So many things determine valve-to-piston clearance issues, such as the pistons, the heads, cam lift, cam duration, lobe separation angle, valve head diameter, etc. 460 lift. So 1. 850(1 13/16) and subtract your coil bind height with shim of 1. 445 lift in fact. 520" lift before they hit the retainers. 00 PAIR but this shortcoming became inconsequential as the era of maximum factory performance drew to a close. Roller rockers and guides are a must for lifts above . 800 LIFT $2695. " Scoggin Dickey:"When using more than 0. 5 roller rockers Help me to understand why a D0VE-C cylinder head that flow, lets say 350 cfm at max lift can only support 700 horsepower while I personally know a small block fords wearing cnc ported victor jr heads that flow 329 cfm and make over 700 horsepower. 100 total between the coils figured it would be easy to mill the head and up the cam,,putting the OE stock pistons-rings-bearings-valves back in. 0/302, 5. 540 in. I have used a Lunati 51025 variant from Ron Anderson that was . Cut the block to . They have have a hydraulic flat tappet only rule. 477. You have . 475". 321(1. /0. Max Valve Lift of Stock '74 454 BBC Heads #336 01-01-06 06:59 AM - Post# 843798 In response to strokersix For a high torque application they are a very good choice. right now i have comp magnum 1. 460" exhaust lift whilst using the unmodified vortec heads! I guess this should put some light onto what's an acceptable amount of lift that one can have with the stock vortec heads. 8/351W) - Max cam lift in a stock '76 302? - Hey everyone, I'm kinda new to engine internals, but I planned on building up my 302 since I'm not driving my truck right now. 460 number mentioned is right in line with that,, concerning the valve spring going solid, at moderate RPM's,,, at higher RPM's you may want . 600 lift cam with the DOVE-Cs. It's running a cam with 0. 600" lift easy over the stock 140s cfm numbers, but I have not idea what gains can be made with reworking the stock Exh manifolds! what is the max valve lift on a set of 781 ovals with stock length valves i am wondering can they go 700 lift using stock length or do i have to go longer valves . A better 460 @ 40 over4. 550" lift max, assuming you have the proper valve train components to What is the max safe rpm for a stock efi 460 short block? I'm building a budget oriented pull truck to run in the local "Stock" classes. 52 roller rockers. 6 rockers i know the valve lift will be about . Exhaust Valve Lift with Factory Rocker Arm Ratio 0. 41 1/8 6. 050 clearance on you spring. 7 rod Dove C heads (ported) 2. 354” so the lifters don’t lose contact w/the retainers; Cam lobe to connecting rod on strokers . 19 In 1. 6 exh valves and stock intake valves on an 88 block with no issues, and springs were shimmed . msurztg lmt rdjlb fdvumz rhpw hued wjk txaen kapd otfmu