Hurricane intake- Rochester carb rebuilt- HEI distributor. Pontiac Engine Parts Interchangeability As You Go Thru Life. Here is a suggested updated torque spec for this engine's rocker arm bolts; I can't get the rocker levers to adjust on a pontiac 400, too tight and I loose the compression on the right bank, too . I have read that it may destroy the . Kits for Pontiac 400 applications. DFW. They are guaranteed not to break or bend . When install or connect the check the following: - Pushrods and the rocker arms. It was pretty easy. HIGH PERFORMANCE SERIES - 8740 chrome moly forgings, heat-treated to 180,000 psi, tip ground flush for optimum adjuster seating. Pontiac Grand Am GT: replace head gasket , lower and upper. Rocker Arms, Sportsman Steel Roller Tip, Stud Mount, Chromoly Steel, Natural, 1.6 Ratio, Fits 7/16 in. The factory rocker nuts on common Pontiac V8s are not made to lock onto the threads of the stud. A typical Pontiac stock cam has a lobe lift of .270, and with a 1.5 ratio, the valve lift becomes a theoretical .406. . With a 7/16 inch stud diameter and 1.52 ratio, they are designed for serious performance enthusiasts. break-in the cam on initial startup, the lifters can be reused if you. Location. Well, I am finally thinking about doing this but wanted to . Add To Cart. Labor costs are estimated between $879 and $1,109 while parts are priced at $498. Soak the lifters and rocker arms in 30W engine oil for several minutes. Home > Engine Specs > Pontiac 265-455: Pontiac V8 . I have a Pontiac 400 (6.6L). ! Arp Race Cylinder Head Bolts Kit For Pontiac 350 400 428 455 Wd-port 1967-1979. Home. 1412 (1.52) & 1416 (1.6) . The mods included are- Holley 750. These are intended to replace factory "bottle neck" screw in studs used in select Pontiac engines. 0 helpful. The rocker arms in a pushrod engine serve two purposes. Then when you set, it mark the position with a silver Sharpie, you can wipe the end of the stud/nut dry obviously before you mark it. Turn off the engine. Black Oxide Coated Steel Parts. . They run-in straight and true for consistant rocker geometry. To be sure to get the right depth, put a piece of tape on the drill at 7/8 from the tip as shown below. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly steel, which is a superior material that will not flex and assures maximum lift. Speedway GM LS Series Trunnion Upgrade and Install Kit $234.99 $246.97 LQ4, LQ9, LS1, LS6 . . . Rebuilt 400 stock internals- comp cam something like (NOT EXACTLY!!) If this is the case your lifters need to be pumped up. Item: Years of Interchangeability: Engine Block: . 45 kits found for Rocker Arm Studs. You just need something to seal the intake threads, as they lead to the port, and can cause a vacuum leak. Sealed Power R1032 Engine Rocker Arm for Pontiac 1967-1981 350 396 400 428 - stock ratio - new in box, never used - complete set of 16 . Pontiac 400 Heads - $700 (Wichita) Torque the bolts to 24 ft. lbs. Essentially, changing to a rocker arm ratio that is larger, is comparable to increasing the lift of your camshaft. Pontiac 68-71' 350-455 Complete Gasket Sets. We use these on most of our serious solid roller cam engine combo's that use std. Parts List. This chart covers Pontiac V8 Engines; 265, 301, 326, 350, 389, 400, 421, 428, 455 cu in. Firing Order. Pontiac 400 Heads - $700 (Wichita) Joined: Dec 19, 2005 . . Harland Sharp are the only Pontiac roller rockers I have used and they work fine. . Discussion in 'The Hokey Ass Message Board' started by 29hotrod55kustom, Nov 23, 2009. Get '72 350 heads [hard exhaust seats], install the 403's bigger 2.000 valves or even larger W30 2.072" valves, and limit your expenses. Heads #15 these are 1.96/1.66 76cc, rated at 340HP.Dated 1968.Asking $700May trade for early ford parts, Tri-Five Chevy , early Cadillac motor, other Pontiac 400 stuff, etc. Rocker Arm Nuts (Non-Adjustable Rockers) Assembly Lube: 20 ft-lbs. . shaft mount rocker arm assemblies. New Stock Length 716 Screw In Rocker Arm Studs For Pontiac 400 428 455 D-ports. The rockers serve as fulcrums to redirect the upward motion of the lifters and pushrods into downward motion to open the valves. Rocker Arm, Full Roller, 1.65 Ratio, Aluminum, Gold Anodized, 7/16 in. "How to install Hydraulic Lifters. OK, I have a Pontiac 400 that is about to make me pull my hair out. With the new throttle linkage, Pontiac could officially rate the Firebird 400's engine at 325 hp at 4,800 rpm, and 410 lb-ft of torque at 3,600 rpm. However, the valve lift is normally specified with standard 1.5 ratio rocker arms. you more torque and horsepower for any given grind, roller cams wear at. Porting the 6X head will still realize a gain in performance, but it's not as . 2) make sure lifter in on the heel of the cam. Quantity Sold as a set of 16. Nov 24, 2013. Using the 27/64 drill, drill the rocker bolt tower 7/8" deep from the tip of the drill bit. COMP Cams 54702-TL GM LS Trunnion Install/Disassembly Tool $54.95 Chevy LS V8, Roller Rocker Arm Style, Steel, Black . Ft-Lbs. Pontiac; Rocker Arm Stands; Shaft Mount Rocker Arms . Rocker Studs: ARP 7/16" Rocker Arms: Comp Cams roller tip, 1.65:1: Pushrods: Comp Cams chromoly 0.080", 5/16" x 9.300" . When I first install them on an engine I rotate the engine by hand until each cylinder is at Bottom dead center so I know the hydraulic lifters (having been soaked for several hours to fill them with oil) are not being lifted (base cam . Subscribe to watch Mike finish this engine build and re-install it into his 1969 Pontiac GTO Restomod, in his home garage! Pontiac Firebird/ Grand Prix/ GTO, & more vehicles. 1 . Arp 190-3605 Head Bolt Kit Pontiac 400 428 455 With Edelbrock Performer Heads. The 041 cam has .407 lift on both intake and exhaust (.313 lobe height). Valvetrain Performance cams, rocker shafts, valves and springs for the BMW 2002 plus all the rebuilt parts for your cylinder head. Better in your case to keep the stock ratio (or the 1.52 Comp), IMHO. Aug 16, 2012. Chances are the lifters were not soaked prior to installation and the engine was also not "primed" . exhaust rockers need nothing. NOTE: To be used ONLY with ARP's patented Perma-Loc adjusters. Be sure . Pontiac 400 Heads - $700 (Wichita) Fresh Set of Heads - Pontiac 400Fresh cut valves, new springs, rocker arms, guide plates, seals. This is my first attempt at this method. Wolfplace Guru Posts: 3580 Joined: Sat Sep 25, 2004 2:39 am However, the Pontiac rockers do not usually . . If your Pontiac has screw in studs with a "necked down" type step stud on the topside, they can be replaced with these 7/16" studs. It was a very simple design that was so effective and cost efficient that many other automakers soon developed similar variants. Small not lumpy. poly-lock adjustment: poly lock nut adjustment for hydraulic cams: 1) install poly-lock with hex end up. High Performance Pontiac Parts. High energy Comp -cam, I think. altitude, improper installation, improper use, and other restrictions outside of . Summit Racing SpeedCard - Open a World of Possibilities - Apply Today! Pontiac parts used on complete engine rebuild. Lash adjustment is achieved by sliding the pushrod up and down between the rocker arm and lifter while slowly tightening the rocker arm adjustment nut. Pontiac 1967 & later 350-455cid w/D-port head bolt kit. A rocker arm ratio of 1.5 means that the actual cam lobe lift will be multiplied by 1.5. Test 3: Scorpion Aluminum Full Roller Rocker Arms 1.5:1 Ratio, 7/16 Stud Test 4: Scorpion Aluminum Full Roller Rocker Arms, 1.6:1 Ratio, 7/16 Stud. These Exclusive LIFETIME WARRANTY *. thread pitch to thread pitch. 2005-11 JCB, Perkins Agricultural GT2256S . When valve lash falls out of specification (valve tap is heard), replace the rocker arm, pushrod and hydraulic lifter on the offending cylinder. just replace the stock Pontiac bottle neck 7/16 rocker studs with std BBC 7/16 studs and stock style 7/16 self locking nuts. Blue is more of a thread seal than . It has the stock heads and crank. New .030 over or 4.150 bore pistons and rods with new rings in the box, new never installed - ready to install - rods have been resized - stock rod length for stock stroke crank 1964-79 Pontiac V8 Piston Rod . The lift ratio of the rockers also serves to multiply the amount of valve lift generated by the cam lobes. Note the position, dive around a while, pull the cover and check to see if it's moved. Now select an engine model (if applicable) -- Pontiac Engine Models -- All Pontiac Kits 151 301 326 350 3800 389 4-cylinder 400 421 428 455 Brodix Heads Edelbrock Heads Iron Duke L67 Pro Stock Dart Heads Pro Stock Heads Ram Air Runner Heads Super Duty Generic V8. Tap and thread the hole using a tapping lubricant or equivalent. Anodized for Additional Protection and Durability. Then, you can properly adjust your valves . 350, 389, 400, 421, 428, 455, Steel Ships Free Rocker Arm Style: Roller Tip Rocker Arm Ratio: 1.5 The average cost for camshaft replacement is between $1,376 and $1,606. Pontiac Rocker Arm Adjustment. Cylinder Numbering . Click the button below to add the Conversion Kit, Used to convert Non Adjustable Pontiac 400, 455 to Fully Adjustable to your wish list. Oct 23, 2014 2003 Chevrolet TrailBlazer. There are many different pontiac engines, most notably the V8 small block versions like 301 and 350 cubic inch and the big block V8 pontiac motors such as the 400, 428 and 455 ci. . Alba Racing caters to everyday off-road enthusiasts in the United States and around the world as well as the hardcore racers of the SCORE, WORCS, GNCC, and BITD series. thread in set screws a few turns with hollow hex end up. That is why Pontiac (and most other car makers) almost always installed a shorter-duration cam in automatic-trans performance cars as compared with their manual-trans counterparts. rocker arms. If your engine has non-adjustable rocker arms, a lifter pre-load of .020 to .060 must be maintained. The cam is rated at some duration at .050 lifter/tappet rise. Be the first to review this product! Mostly 400 and 455 engines. . 265, 301, 307*, 326, 350, 389, 400, 421, 428, 455 . Quick ratio rocker arms with polylocks lashed turn past "0" lash. Valley Pan Bolts: Engine Oil: Install pushrods to the original position. Rocker Arm Stud (Screw-In Only) Stud: 55 lb/ft: NONE: Dry: Spark Plug (Gasket Type) 25 lb/ft: NONE: Dry: Spark Plug (Taper Seat 1972-Up) 15 lb/ft: NONE: Dry * NOTE 1: Tighten center two bolts to 100 lb/ft, and tighten the remaining bolts in a spiral fashion ** NOTE 2: DO NOT use Loctite on Aluminum threads. Save on the Powersports Parts You Need! Search Car Torque Specifications by Engine or Model An extra large radius base offers greater resistance to flex. hydraulic lifter cam with adjustable rocker arms. Our aluminium valley pans come with bolts ready to install. Clean the threaded hole with Brake Kleen or equivalent. Find PONTIAC 6.6L/400 Rocker Arms and get Free Shipping on Orders Over $99 at Summit Racing! . He said you could get away with just doing it on the intake if strapped for cash. Step 7: Install Lifters, Pushrods and Rocker Arms. Chevy SB and BB - Billet Aluminum . Firing Order. This can be changed by installing different ratio rockers. Every torque specification should be in this table, however if there is one missing, please Contact Me and I will get you the spec and add it to the table. Increasing the opening distance of both valves can usually increase power because your engine can move more air. Home > Engine Specs > Pontiac 265-455: Pontiac V8 . COMP Cams - Performance Camshafts, Lifters, Valve Springs, Rocker Arms Shop Pontiac Rocker Arms and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. Pontiac 400 Heads - $700 (Wichita) Fresh Set of Heads - Pontiac 400Fresh cut valves, new springs, rocker arms, guide plates, seals. The advantages of a roller cam include: no need to. 3535037-2B PEDESTAL-SHAFT ROCKER SYSTEM, CHEV SB 262-400, BRODIX TRACK 1 Cyl Heads, 1.60 LEFT Int/1.60 RIGHT Exh, 1 Pair . Read full answer. Cylinder Numbering . Add To Cart. The HorsePower guys prove that by extracting a 400 from a junkyard, machining the block and rebuilding it on a two-thousand dollar budget. Valve lift is determined by the combination of the cam lobe lift and the rocker arm ratio. 246-269 with .444-.455 lift. Jan 31, 2011. Most Pontiac camshafts contained a maximum lobe lift of 0.271 inch, and the Division's typical stamped-steel rocker arm featured an opening ratio of 1.5:1. It will run circles around that 400" pontiac engine. Turn the engine until the engine is at top dead When pushrod has no free play between . If a flat-tappet camshaft is used, coat the lifter's face with camshaft break-in lubricant. Base Thread Length (in) 1.025 in. . As a 1.65 ratio rocker is 10% higher ratio then . Find PONTIAC 6.6L/400 COMP Cams Rocker Arms and get Free Shipping on Orders Over $99 at Summit Racing! . Replace your failed arms by Handor Performance LS rocker arms and install easily on your LS cylinder heads without any modifications. HRS-90007 Howards Cams Stamped Steel Long Slot Rocker Arms. . Heads #15 these are 1.96/1.66 76cc, rated at 340HP.Dated 1968.Asking $700May trade for early ford parts, Tri-Five Chevy , early Cadillac motor, other Pontiac 400 stuff, etc. These studs do not have oil thru holes on certain pre 64 heads, simply use rocker arms and pushrods with oil hole on oil thru stud applications, we also plug the block with 2- 1/8 npt pipe plugs at deck to keep oil away from . Continue (repeat) this procedure on each of the remaining the valves. Oil Pump Bolts: Engine Oil: 30 ft-lbs. Rocker Arm Nuts (Non-Adjustable Rockers) Assembly Lube: 20 ft-lbs. This is correct, the Pontiac valvetrain is non-adjustable from the factory with very few exceptions, those exceptions would be very rare performance engines like the 400 RAII & RAIV as well as 421 Super-Duty engines. You can reuse the stock Pontiac rocker arms, and . By. Thoroughly coat the camshaft lobes with the manufacturer's suggested break-in lubricant. (32 Nm). change cams, the open and close ramps of the lobes are faster, giving. Whether you have decided to stay with the stock type stamped rocker arms or Competition Cams Magnum Rollers Rockers as pictured here, or something far more exotic, you will need to adjust valve lash. I'm working on an early Pontiac 400 that has pressed in rocker arm studs. Featuring a Pontiac 400 cubic inch block stroked to 455 cubic inches, this authentic Pontiac stroker is perfect for street and strip use. $85.99. Related Products 11/32" X .500" Viton Valve Seals, 11/32" Fixed Body Seals, VSS-283, set of sixteen $16.99 Stud Size, Pontiac, V8, Each. Install rocker arm on rocker stud. When using the same camshaft lift of .500-inch, but now use a set of 1.6:1 rocker arms, you get .800-inch of lift. BLACKHORSE-RACING 7.400" Long x .080" Wall x 5/16" Diameter Pushrod Set LS Pushrods Compatible with LS1 LS2 LS3 LS6 LS7 LS9 LSX Engines 99-13 Silverado . Notes: The 254 cam has .374 lift on intake, .407 on exhaust. ARP's Rocker Arm Studs are designed to provide positive seating every time, concentric within .005 T.I.R. The Pontiac 400 cubic inch motor (made between 1967 and 1979) is still a great platform for a high performance daily driver. some Ford, Oldsmobile, Pontiac, and AMC. Weight. Year. Over 6,000 Automotive Torque Specs. '55-'90 V-8 265-400 '78-'90 V-6 200-262 PART NO. 1.5 SBC Rocker Arms Offset. View the Pontiac Engine Torque Specifications for engine repairs and rebuilds. Answer: There are a couple ways to adjust these rocker arms. . on. A Stage 3 Low-lift cam from Compeition Cams. Oil Pump Bolts: Engine Oil: 30 ft-lbs. . Whats the torque on the rocker arm that holds the rocker arm on the rocker arm studs on a 400 pontiac heads - Answered by a verified Pontiac Mechanic. If you ever consider 1.65 ratio rockers, be aware that the pushrod hole in the head may need to be opened up towards the stud to give enough clearance. These Magnum Roller Rocker Arms for Pontiac V8 265-455 applications are the ultimate street rocker. View Details. $ 45.00. . 6. Torquing the adjusting nut per the old Chilton's to 20-25 ft pounds won't work on any heads that have been milled. Install rubber o-ring with light RTV silcone : 10 ft-lbs. or choose Generic to see kits that might fit a . Turn the wrench an additional 1/8 - 1/2 turn to set the plunger depth (lifter preload).