Dry or dirty threads produce friction which prevents accurate. 4L / 454 and 502 Multi-Port engines, Torque intake manifold fasteners to 25-30 Lb. Then non-adjustable rocker-arm bolts are torqued to 18 to 22 ft-lbs. Flywheel/Flexplate bolts 60 ft. ft @ 1200 rpm Click for Cummins ISX15 and QSX15 engine manuals and specs. If you think the studs are worn down, replace those as well. Some guys don't fuss with the torque specs and just get them good and tight. Jeff Smith answer's a readers quesion on building a 454 Chevy Big Block. Download a copy of a repair manual for your MerCruiser straight to your computer in seconds—fix you engine or sterndrive now. Using 30 wt oil on 1/2” studs torque to 110 ft lbs. 34-35 Chevy - $1,727. Torque Specs: Main Cap Bolt (396-427, 2-Bolt) 95 ft. GM Engine Torque Specifications and Sequences. The degrees you see are the torque angle method. Vortec heads have a 7/16" round pushrod hole in the head; earlier non self aligning rocker arm equipped heads have a 7/16" x 11/32" oval hole in them. and install the hex head at the 12 o'clock position on the rocker bolt. Never operate rods using torque less or greater than specified. Jeff Smith Nov 1, 2002. Spin the intake rocker nut down with the correct thickness feeler gauge inserted between the valve stem and the tip of the rocker arm. How do you adjust rocker arms on a 350 Chevy? Update: Is there torque Spec for rocker arms on 5. There is no way to adjust your valves to a differtent cam because the rocker arm studs have a positive stop shoulder on them and all you do is torque each one to 35#. What is the torque spec for the Big Block Chevy oil filter adapter to the block bolts? Chevy small block rocker arm torque? A lot of manufacturers use a torque setting, but not Chevy. This is zero-lash. On a side note, I tried the search function and came up with everything except the torque specs any hints on using the search function would be greatly appreciated! Edited by The BaB on 09-05-11 01:39 PM. ©2000-2019 - TractorData™. Mack E-7 History and Technical Information. not a high rpm engine, which is why hp numbers are low. Tighten the M11 cylinder head bolts (1-10) a second pass in sequence to 90 degrees using J 45059. 5 Liter 445ci V8The screw-in studs connecting the rocker arm to the cylinder head have 55 foot-pounds of torque, while the nuts connecting the rocker arm to the rocker arm stud have 20 foot-pounds of. arm covers): Torque rocker arm bolts to 45 lb. See Don Chart. Trev Deeley Motorcycles (Dealer #9400) Ask for: Sales Department ☎ 1875 Boundary Road Vancouver, BC V5M 3Y7 Enter this link to see more images plus all other inventory we have available:. Other lubrications offer reduced friction and increased bolt tension, and will affect the torque figure. SD Connecting Rod Bolts: Assembly Lube: 65 ft-lbs. Download with Google Download with Facebook or download with email. Either way, be careful, as the heads are aluminum. Big Block Chevy 396 454 Steel Roller Tip Rocker Arms 1. Mack E-7 History and Technical Information. Harmonic damper bolt 85 ft. I don't know what the conversion is. The carb you have you will need to find numbers on it or measure the barrels to determine exactly what it is. Spec was 60 but I don't know, 50 felt like it was. Rocker Arms - Use full roller rocker arms, roller tip rockers with stock style bodies are NOT recommended. NOTE: A visual inspection of rocker arm to valve alignment is recommended. Heads/Induction: 1968 430 heads converted to Stage 1 specs with Speed Pro valves, 3 angle valve job and back cut. com is your convenient source for advanced sealing information. The manuals you’ve come to know and trust are now available for online viewing. Created Date: 4/16/2012 3:47:04 PM. 65 in Power 298-447 kW 400-600 hp @ 1800 rpm Torque 1966-2508 Nm 1450-1850 lb. If you are using a lubricant such as our LUC-4 assembly lube be sure to follow the recommended torque specifications from the manufacturer minus 5 to 10 pounds. When bolting down the rocker system, make sure to follow the recommended torque specs for the system you are using. of torque the head bolts should be tightened to and also the tightening order of the head bolts when I re-assemble?. Chopped fenders, to show off a little rubber and black front forks with gaiters to add a little old-school nostalgia. Use a good torque wrench, properly calibrated, and follow exact specifications for the proper torque. We can’t give you one number, because it varies whether you are using stock bolts are high-quality ARP fasteners. Marine Engine Blocks (no core charge) 3. Rocker Arm Cover: Torque Specs are for clean. 65:1 ratio to increase valve lift. Every fastener has a torque. 4 kW] PTO (tested): 40. Same with me, I torqued my studs in my aluminum heads to 50ft-lbs. 7 Chevy? Update 2: Only replacing rocker arms on stock moter, do to some broken and loose arms. 13 cu·in) natural aspirated V8 four-stroke liquid-cooled internal combustion gasoline engine, manufactured by General Motors since 1999 to 2007. The rocker arms have long slots for high-lift camshafts. Cast Iron-95 ft-lbs. Use a good torque wrench, properly calibrated, and follow exact specifications for the proper torque. 5-lb-ft) of torque at 2600 rpm. These specs may not be correct for your application. 454 HO - Musclecar power at a low-buck price! Now, this is the stuff that legends are made of. We've got all of the accessories, brackets, and wiring out of the way, tomorrow the heads are coming off and going to the machine shop to get checked and surfaced if needed. Complete Cylinder Head Torque Specifications for Domestic and Imported Passenger Cars and Light/ Medium Duty Trucks. But when it came to the meatier performance cars that went above and beyond the rest of those in the muscle car market, nothing screamed Chevy performance quite like the 1970 Chevelle SS 454 LS6. Now, GM Performance Parts has a 454 cubic inch Chevy crate engine that is big on power and low on dollar. Big Block Chevy Generation 5 & 6 Adjustable Rocker Conversion. And the higher the valve lift and the stiffer the springs, the greater the friction. 7 Chevy? Update 2: Only replacing rocker arms on stock moter, do to some broken and loose arms. Connecting Rod Bolt: 67-73 ft. If I was you I would replace all of them with new ARP rocker arm studs. We Start with a GM Performance LSX 454 Crate Engine, throw out the boring bits and turn it into a whole new beast. Rocker Arm Cover: Torque Specs are for clean. I'm not sure on the torque setting for a smallblock,but a big block 7/16 stud calls for 50 lb. If you think the studs are worn down, replace those as well. Engine Oil: 120 ft-lbs. Installation is the reverse of removal. Spin the intake rocker nut down with the correct thickness feeler gauge inserted between the valve stem and the tip of the rocker arm. FelPro-Only. If you know your Year Make Model, put it in the selector so that we can guide you to a product that fits your vehicle. Too much pre-load will cause the engine to idle rough, have very low manifold vacuum and poor low-end performance. Mopar Big Block Torque Specifications: RB/B Engines - 383, 400, 440 : Torque specifications are for stock factory type bolts with light engine oil applied to the threads and the underside of the bolt head. 0 mercruiser smoke from rocker breather: 4: Mercruiser 3. The 502/502 base engine is a fully assembled long block. Main cap bolt, 396-427 2-bolt. com is your convenient source for advanced sealing information. Great prices on chevrolet 305! Featuring our varied catalog of chevrolet 305 for sale today on the internet. 3, 305,350 (GM) 302,350 (Ford) Mercruiser, OMC, Volvo Penta, Crusader. I have not had a lot of vehicles with Small Block Chevy's other then. It is against the law in some states to install, sell, offer for sale or advertise any device, apparatus or mechanism that is intended to alter or modify the original design or. Carefully install intake manifold and torque bolts to 30 lb. 454 2 Bolt Main Cap Torque Specs Best Picture Of Pltimage. rn) in sequence shown. Here is a suggested updated torque spec for this engine's rocker arm bolts; Rocker arms Step one: Torque to 11 ft lbs then tighten an additional 90 degrees of bolt head rotation. Rocker arm cover with a new gasket. Even though the Jesel kit includes the rocker stand locating links, they're not extremely precise, allowing for quite a bit of valve tip misalignment as shown. Turn the crankshaft clockwise until the alignment mark on the crankshaft balancer is aligned with the notch in the engine front cover tab. 7? - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. If you have an 389, 421 or other early Pontiac which has screw in studs so be sure to verify they have 7/16" base threads. With the rocker arm in place, the stands are held in alignment with large adjustable wrench when torquing them to final specs. 5 but is that sbc?. Big-block, street-sweeping power just like the ‘60s GM musclecars that you grew up with or have worshipped for years. Other lubrications offer reduced friction and increased bolt tension, and will affect the torque figure. Rocker Arm Shaft Bracket Torque Specs are. For use on Mark IV Big block Chevy engines with 7/16" threads. Includes larger ports, longer duration & higher lift cam, larger intake & exhaust (2. One of the most legendary engines in muscle-car history was the Chevy 454 Big-Block. The final results for this LSX 454 destined for the dirt are pretty impressive. Torque Specifications. Need torque specs Farmall 560 AERO PURE OIL FILTER Belt pully/Belly Mower Coolant Leak IH PTO Problem injectors for 706 with D282 [email protected] Click Here for Edelbrock Aluminum Head Installation Sheet PONTIAC HEAD CHART CASTING NUMBER YEAR FACTORY APPLICATION CHAMBER VOL# CC'S EXHAUST PORT NOTEWORTHY ATTRIBUTES 528511 1958 370 62 D-Port 1. Tighten to 8 ft-lbs (10 N-m), then tighten an additional 1/3 turn to at least 37 ft-lbs (50 N-M). Pontiac Cylinder Head Bolt Torque Sequence When we install a set of Aluminum Pontiac cylinder heads we use the following torque sequence pictured below. i need to replace the intake gaskets on my 1997 gmc 3500 with a 454. Search Car Torque Specifications by Engine or Model. Bore x Stroke. Small Chevy ----- Fastener Type Torque Spec small block. 4l-454: 4: Inline 6cyl Mercruiser. How to Rebuild Big-Block Chevy Engines, 1991-2000 Gen V & Gen VIHP1550 TORQUE SPECIFICATIONS. Big blocks also use a larger bolt than small blocks. I have, in the past, set the valves on a 4. Every fastener has a torque. Performance and economy can be improved by installing 1. g engine, electrical, drives, cooling, exhaust, fuel system. Beadbuster All Purpose Tire Bead Breaker - New for sale in Saint Petersburg, Florida | Lunny's Auto. With an honest 440 horsepower and 475 torque, this big block Chevy crate engine gives you the power you need at a price you can afford. 460 HP And A Monster 526 LB-FT Of Torque From This 454 H. One of the most legendary engines in muscle-car history was the Chevy 454 Big-Block. All parts are readily available and you will need a new valve cover gasket and a torque wrench to reassemble. Big Block Chevy Generation 5 & 6 Adjustable Rocker Conversion. Rocker Arm; Coleman Type1 For Sale. These books are 2" thick, and often include full wiring diagrams too! Get over to E Bay!. The rocker to shaft clearance should be corrected. 454HO Engine (12568774 Base) Long Block Specifications Specifications Part Number 19172102 This 454HO long block specification sheet should be used in conjunction with the 454 short block specification sheet, GM part number 19172101. The roller tip minimizes scrubbing (the result of the valve stem pushing hard against the valve guide), reducing friction and freeing up additional horsepower over. Where can I get torque specs for aluminum heads if they are not the same as for cast heads?. Mondello Performance manufactures and sells quality custom Oldsmobile performance parts and engines. While the power and torque numbers are fairly conservative, look at the air-fuel ratio, and consider the fact that this engine should withstand several seasons of abuse in the harsh desert environment. Every nut bolt and screw location, torque specs, and a ton more. Engine displacement ranged from 1. Crower builds performance racing parts from camshafts to crankshafts. Place the rocker arm back on the stud to make sure that they didn’t move during tightening. 7 Ratio, Fits 7/16. [ edit ] So what this means is three things: Without resorting to welding up the holes to form slots to provide side to side alignment, Vortec heads cannot be used w/non self aligning rockers. Engine Oil: 110 ft-lbs. It had slightly reduced power compared to the L29 454 and used a different PCM. There is no way to adjust your valves to a differtent cam because the rocker arm studs have a positive stop shoulder on them and all you do is torque each one to 35#. Engine Torque Specs. If you are using a lubricant such as our LUC-4 assembly lube be sure to follow the recommended torque specifications from the manufacturer minus 5 to 10 pounds. Performance Rocker Arm History. Cast Iron with 4-Bolt Main Caps. It produces 48 Nm of torque (35. The manuals you’ve come to know and trust are now available for online viewing. Spin the intake rocker nut down with the correct thickness feeler gauge inserted between the valve stem and the tip of the rocker arm. all specs are using oil or teflon thread paste torque sequence intake torque sequence. FREE Shipping. † Tighten the cylinder head bolts to 44 ft. 3l v6, and an 6-speed automatic with rear wheel drive. This book focuses on the latest two versions, the Generation V and Generation VI. NOTE: Due to the number of application variations, the LSX454 crate engine does not include an oil pan. Classic Industries offers a wide selection of All Makes parts, including All Makes interior parts and soft trim, All Makes exterior sheet metal, All Makes moldings, All Makes emblems, All Makes weatherstrip and unique accessories, to nearly every nut and bolt needed for installation. Download with Google Download with Facebook or download with email. com is your convenient source for advanced sealing information. finally got the engine to the machine shop, so building may start happening next week, havent found much info, but would the torque specs on all the fasteners on a gen vi be the same as a gen iv? I have a book on the gen iv, but nothing on a gen vi. Fastener Type. I have a set of peanut ports heads here removed from a 1986 454 that belong in the scrap yard for all they are worth. 4l-454: 4: Inline 6cyl Mercruiser. Full specs including torque data are also included. Use this form to record component sizes and clearances so your project is a success. International Harvester 454 Power: Engine: 50 hp [37. I don't know what the conversion is. Oil pump bolt 65 ft. With the #1 Intake valve at FULL LIFT --- This means that you turn the engine by hand until the intake valve on the #1 cylinder is fully open (watch the rocker arm push down on the top of the valve stem, compressing the valve spring until it stops moving downward) --- and adjust the intake valve on "opposite in firing order" cylinder. (8-10 Nm) on all Mazda3 engines, 71-101inch lbs. Uneven torque can cause block distortion and head warpage, resulting in coolant or combustion leaks. This is not an exhaustive list of every possible combination, just the numbers for the most common stuff. You need to basically torque them down in sequence to the first step, then go back through and torque them down to the next step. Dry or dirty threads produce friction which prevents accurate. Important note. 119cc COMBUSTION CHAMBERSThis sale is for a set of heads (2 heads). [ edit ] So what this means is three things: Without resorting to welding up the holes to form slots to provide side to side alignment, Vortec heads cannot be used w/non self aligning rockers. Firing up is nothing fancy here, a nice simple Accel coil and stock HEI unit with Accel coil. Your Clymer Manuals MerCruiser Alpha One, Bravo One, Two and Three Stern Drives, 1998-2013 B745 online manual is viewable with a magazine reader and features the same content as the printed manual. See Mack E7 E-Tech overhaul repair manual for newer models. The carb you have you will need to find numbers on it or measure the barrels to determine exactly what it is. 5:1 was used on most production engines. Cast Iron with 4-Bolt Main Caps. For Head Studs or aftermarket bolts CHECK YOUR INSTRUCTIONS, BBC studs are available in a ton of different styles depending on heads and stud diameter (7/16" and 1/2"). Double Overhead Camshafts, Chain Drive to Exhaust Cams, Secondary Chains from Exhaust to Intake Cams, Roller Finger followers with Hydraulic Lash Adjustment, Beehive Valve Springs. Engine Shop. The Origin of the Dodge “Hemi” Motor: Hemi Motor Development and Description In 1951, Chrysler introduced their new line of V8 motors, popularly know as the “hemi”, because the combustion chamber was fully machined into the shape of a ½-dome or hemi-sphere; I will refer to this motor and its direct descendants as Type I. Early Super Duty and Ram Air IV engines used an identical rocker arm but with a 1. Special thanks to crackeregg for making these documents available in a digital format (saved me a lot of typing!). Filed under Oldsmobile Engine. 3 (with the engine running) but the rocker 'studs' on this 454 aren't the same style as the 4. Torque Spec - LS1 / LS6. 7/16 Rocker Arm Stud Kit, exhaust only, 8 pc Torque Converter Bolt Kit. Some guys don't fuss with the torque specs and just get them good and tight. Rocker Arm Stud To Cylinder Head 50. There are a several methods for a valve adjustment on a chevy small block engine. 4L/454 Chevy big block Gen V Rocker Arms and get Free Shipping on Orders Over $99 at Summit Racing!. Great prices on chevrolet 305! Featuring our varied catalog of chevrolet 305 for sale today on the internet. With the rocker arm in place, the stands are held in alignment with large adjustable wrench when torquing them to final specs. Other lubrications offer reduced friction and increased bolt tension, and will affect the torque figure. Every rod is carefully sorted in sets by weight. Intake manifold bolts (cast iron head) 25 ft. IMPORTANT TECH NOTE - it is highly advisable to determine what the optimum rocker arm stud length is for your particular application. The BP-201 camshaft is designed to make maximum torque for truck pulling competitions or very heavy towing applications over 8000lbs. Find Chevy 02 available for purchasing now online!. We can't give you one number, because it varies whether you are using stock bolts are high-quality ARP fasteners. 1959-75 Chevrolet engine torque value charts give you the correct bolt tightening requirements to prevent damage. No single plane on that motor. Early Super Duty and Ram Air IV engines used an identical rocker arm but with a 1. Nut, rocker arm to stud (3/8") 20 20 oil none Stud, screw in rocker arm 55 55 dry none Nut, timing chain cover 15 15 dry 7 Bolt, timing chain cover to pan 12 12 dry - Bolt - Fan and Pulley to water pump 20 20 dry 10. Rear Main Cap. The ball pivot inside the stamped steel rocker arm allows the tip of the rocker arm to follow the top of the valve as the valve is pushed open. Then you can set the lash on the valves by the specs listed in your camshaft spec card that came with the camshaft. Cummins ISX15 and QSX15 Displacement, arrangement, bore, stroke, power and torque Displacement 15. A gathering place for all Farmall Cub, Cadet owners and tractor enthusiast from all over the world. BillK said, "The only studs that are installed finger tight are cylinder head studs and main cap studs. Bean Machine Gridlock Gridle With. All spread port big-block Chevy heads require shaft rocker arms because the pushrods must be relocated around the revised intake port location, and the large amount of rocker arm offset eliminates the use of traditional stud-mount rockers. Head Bolt Torque Specs: Torque all head bolts to 65 ft. Free Postage. Rocker arm cover torque 50-55 LB-In. This item: Corvette 454 C. This PDF repair/shop manual applies to Mack E7 models with Bosch mechanical injection pumps only. On the top, the valve relief depths are. How do you adjust rocker arms on a 350 Chevy? Update: Is there torque Spec for rocker arms on 5. 2 kgf•m, 104 in•lb). These books are 2" thick, and often include full wiring diagrams too! Get over to E Bay!. These books are 2" thick, and often include full wiring diagrams too! Get over to E Bay!. Connecting Rod Bolt: 50 ft. with Factory Rocker Arm Ratio: 0. See Mack E7 E-Tech overhaul repair manual for newer models. The 4340 chromoly steel rocker bodies feature a longer pivot slot for higher lift camshafts and are much stronger than die-cast aluminum or stamped steel, minimizing rocker arm flex. CAUTION: If any of the torque limits listed in this table disagree with any of those listed in the preceding table, the limits in the preceding table will prevail. all specs are using oil or teflon thread paste torque sequence intake torque sequence. Only 5 left in stock. 6:1 rocker will be 0. The use of old pushrods may result in pushrod or rocker arm failure. Use a torque. Remanufactured Cylinder Head for GM 7. The late 330 with the carter carb is the one with the big heads and 4 bolt mains steel crank and good rods. 4L) Rocker Arm 4. Rocker stud torque in an aluminum head. Does anyone know what the stock rocker arm ratio is for a 454? I looked for a set on summitracing. When I was asked to write a review or guide for best camshafts for a 454 engine, I yelled with joy. pushrods, shim rocker stands or shafts, install straight screw-in studs in place of stock bottleneck type, use allen set adjusting nuts, or machine the cylinder heads for adjustable rocker arms, studs and guideplates. 5 but is that sbc?. 148 for the exhaust. net has the MerCruiser 7. The final results for this LSX 454 destined for the dirt are pretty impressive. 0 Tracking down torque Specs for the bolts that hold the rocker arms in place and the bolts that hold on the cover that goes over the rocker arms. Turn the crankshaft clockwise until the alignment mark on the crankshaft balancer is aligned with the notch in the engine front cover tab. You do not want to over tighten these bolts. Created Date: 4/16/2012 3:47:04 PM. Download the relevant PDF document to get instructions and torque settings. Fastener Type. Rocker Arms - Use full roller rocker arms, roller tip rockers with stock style bodies are NOT recommended. Hello, Here are diagrams showing you how the cylinder head is done with the torque specs BELOW. com and they're all 1. I tried to find HP and torque specs on the internet for the stock 454 marine engines and it is not widely published. Main cap bolt, 396-454 4-bolt (inner/outer) 110 ft. Every rod is carefully sorted in sets by weight. 1974 Corvette Specs. Shouldn't take you more than 2 hours from start to finish. 4L 454 cid V8 (330 HP) Tapered spark plug seat, large oval intake ports, single rotators, heat crossover. It is also possible that the pushrod guide plate broke (happened to me). Special Instructions: 1. Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure. All spread port big-block Chevy heads require shaft rocker arms because the pushrods must be relocated around the revised intake port location, and the large amount of rocker arm offset eliminates the use of traditional stud-mount rockers. The torque specification for the rocker arm nut on a 1997 Chevy Cavalier is 22 foot pounds. Use clean engine oil to lubricate the rocker arm shaft bolt threads, tops of the push rods, rocker arms and rocker arm shaft. Is it really that simple? No "spinning of the engine"? Just torque each rocker arm to 45 lbs? Other online resources like THIS GUY indicate that you should spin each push rod until it doesn't move freely, then you tighten the rocker stud another 1/2 to 3/4 of a turn. 0 liter, 912 CID Arrangement 6 Cyl In-Line Turbocharged Aftercooled Bore 137 mm, 5. Upon initial installation of replacement ball joint, tighten nut to to 81 ft-lbs (110 N-m). 8 vortec - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. Great prices on chevrolet 305! Featuring our varied catalog of chevrolet 305 for sale today on the internet. Not every fastener can be accessed to get a torque wrench directly on it, though. ) Cylinder bore mm (in. roller tip rockers 1 3/4 headers dove heads. Click on One of the Links Below. Connecting Rod Bolts: Assembly Lube: 45 ft-lbs. a single-cam pushrod-and-rocker-arm valvetrain, and bore-to-bore spacing of 4. Fastener Type. No single plane on that motor. All parts are readily available and you will need a new valve cover gasket and a torque wrench to reassemble. The roller tip minimizes scrubbing (the result of the valve stem pushing hard against the valve guide), reducing friction and freeing up additional horsepower over. The manuals you’ve come to know and trust are now available for online viewing. not a high rpm engine, which is why hp numbers are low. later truck engines like that are peanut port, smaller than ovals. Make sure to re-torque the studs to recommended torque listed below. Hello, Here are diagrams showing you how the cylinder head is done with the torque specs BELOW. Small Chevy ----- Fastener Type Torque Spec small block. On part #'s 1472, and 1492 adjustments to lifter pre-load with non-adjustable pedestal bolt down rocker arms cam only be made with shims as sold by Ford SVO HM-6529-A302 or Crane #99170-1. Chevy BBC 454 Hyd. Our engineers took the 454 HO - with its super-tough, all-forged reciprocating assembly - and matched it with a set of higher-flow, ovalport aluminum cylinder heads to pick up an additional 15 horses, while still offering 500 lb. The team has shared all the finest moments in the numerous accolades for its people, its products, and its approach. Rocker arm cover using a new gasket and torque the bolts to 89 inch lbs. The Mack e7 engine is the backbone of the almighty Mack Bulldog fleet. Studs are mainly used to connect the rocker arm to the cylinder head, but can be used to connect other parts as well. Rocker Arm Bolts 3 1 V6. Now, GM Performance Parts has a 454 cubic inch Chevy crate engine that is big on power and low on dollar. Be careful now thats inch pounds per not foot pounds. 2 kgf•m, 104 in•lb). A 1/4 turn increment is recommended to set the lifter pre-load. BillK said, "The only studs that are installed finger tight are cylinder head studs and main cap studs. Heads/Induction: 1968 430 heads converted to Stage 1 specs with Speed Pro valves, 3 angle valve job and back cut. Firing up is nothing fancy here, a nice simple Accel coil and stock HEI unit with Accel coil. 119cc COMBUSTION CHAMBERSThis sale is for a set of heads (2 heads). For use on Mark IV Big block Chevy engines with 7/16" threads. IMPORTANT TECH NOTE - it is highly advisable to determine what the optimum rocker arm stud length is for your particular application. Click for more Perkins Engine Manuals, bolt torques, specs Diesel Engine Specs Basic specs are free and open to everyone They usually include engine images, displacement, dimensions and weight, essential bolt tightening torques, plus characteristics of the engine e. Oldsmobile V-8; Component Torque; Cylinder Head Bolts: 350 cu. What are the torque specs for roller rockers on 2000 silverado 4. This is the equivalent of 30 newton meters. Machine Shop Specs: Note: Specs are for reference only. description. We work hard to build a great website for car parts, so start perusing and see what you find. Here is a suggested updated torque spec for this engine's rocker arm bolts; Rocker arms Step one: Torque to 11 ft lbs then tighten an additional 90 degrees of bolt head rotation. 5 kW] power test details Mechanical: Chassis: 4x2 2WD: Steering: power: Brakes: independent hydraulic wet disc: Cab: Open operator station. See Mack E7 E-Tech overhaul repair manual for newer models. 65” rod length and. Its design shared much with the L29 454, but with the addition of forged pistons and crankshaft, and coil near plug ignition. 1959-75 Oldsmobile engine torque value charts give you the correct bolt tightening requirements to prevent damage. Used Values, Specs, Pictures and More. BillK said, "The only studs that are installed finger tight are cylinder head studs and main cap studs. Bean Machine Gridlock Gridle With. Main Cap Bolt (396-454, 4-Bolt, Inner and Outer) 110 ft. Complete Cylinder Head Torque Specifications for Domestic and Imported Passenger Cars and Light/ Medium Duty Trucks.