“You get what you pay for” is the theme here at West Coast Engines. 2000 grand am 2.4 valve cover torque specs 1 Answer I'm replacing the valve cover gaskets on my 2000 grand am 2.4l dohc and I can't find the torque specs anywhere. CHEVROLET 5.7L/350 Chevy small block Gen I Valve Covers. "Detroit hasn't felt any real pride since George Bush went to Japan and vomited on their auto executives, I tell you whut". 360. 3/8 Connecting Rod Bolt: Engine Oil: 45 ft-lbs. All specifications above are listed for a stock engine. If you over-tighten, the bolt threads can be severely damaged and you risk breaking a bolt off inside the head. Again, if you over-tighten them, the bolts may be broken off inside the block. 2) Watch bolt lengths. Size USE TORQUE Lubricant. Hello guys just have a quick question. Conv. She specializes in technical, automotive and motorcycle information. Is there a certain pattern? ft. 3/8 - 16 Intake manifold 25 lb. Valve Cover: Engine Oil: 3 ft-lbs. Fel-Pro's PermaDryPlus valve cover gaskets feature precision edge-molded silicone rubber, which resists high heat and delivers reliable sealing on irregular surfaces. Torque Specifications for GM 5.7L-350ci-V8. Camshaft Sprocket 20 lb. in. Small Block Chevy V8 - SBC - Engine Specifications. After all this work I wanted to ensure my new gears would be well protected in the rocks and chose to install a heavy duty diff cover from Jethro-Bilt . A plastigage is very useful for making sure that all clearances are correct. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Copyright 2021 Leaf Group Ltd. / Leaf Group Media. The 350 HO engine incorporates modern technology in a package that can be installed in applications where 265-400ci small block Chevrolet V-8's were originally used. All I find is the head bolt specs. The connecting-rod torque specifications are 40 to 45 ft.-lbs. nice and tight with a 1/4" ratchet has always worked for me. Timing Cover: Engine Oil: 6 ft-lbs. In-Lbs. Spectre Performance 5258 Valve Cover for Small Block Chevy. Spark Plugs: No Lube or Sealer: 20 ft-lbs. Flexplate (Automatic) Flywheel (Clutch) Thread Locker: 60 ft-lbs. ft. Water Outlet 20 lb. Ft-Lbs. in. Intake Manifold (Cast Iron Heads) Non- Hardening Sealer: 30 ft-lbs. Click Here! If the proper torque is not applied the motor may leak fluids or become unreliable. A dirty bolt can throw off torque readings by as much as 20 ft. lbs. Then in 1967, Chevy had a big year with the release of the 302 and 350 engines. Valve Cover 1/4-20 UNC 25 in lbs (From a Big block torque spec chart.) Filter Results Filter by Vehicle Individual Parts; Part Groups; Results 1 - 25 of 485 25 Records Per Page Default Sort . These are the caps on the crankshaft. Many professional engine builders prefer to use studs because of their ability to properly position the gasket and guide the cover into position. Torque Spec Database. Proper torqueing will help to ensure that your covers do not leak oil. You will also need a torque wrench and engine oil. Torque Spec Database. Centerbolt (Harmonic Damper) FREE Shipping. I understand what you mean about not being able to over torque them, but I had a noise where rockers had been hitting the covers (not on the top with the breathers but on the side near the intake). 35 ft. lbs. in. 3/8 Outer Main Caps (4 bolt) Engine Oil: 40 ft-lbs. The factory had it too high. Timing Cover: Engine Oil: 6 ft-lbs. I've seen specs on the rocker studs but nothing on the rocker arm nuts. Apply silicone RTV compound to diff cover, install diff cover, torque cover bolts to 35 ft/lbs, and fill axle with 5.4 pints of quality hypoid gear oil, minimum GL5 rating. antiseize. Intake Manifold (Cast Iron Heads) Non- Hardening Sealer: 30 ft-lbs. Connecting Rod 3/8"-24 30 ft. lbs. Rocker Studs (screw-in) Sealer: 50 ft-lbs. Wipe the oil on the bolt threads to assist the bolts during tightening, and be sure not to cross-thread them. In what direction I dont know. $73.49 $ 73. The specifications given are for the typical 350 engine. I think I had been overtorquing the cover enough to cause a problem. If the bolt is not tight enough, it may eventually back out of the threads, resulting in severe engine damage. You will also need to torque the main-bearing caps that keep the crankshaft in place. If your engine has aluminum cylinder heads, the threads are more fragile than the cast iron, so the intake specification is 18 ft.-lbs. Sealer: 65 ft-lbs. 7/16 Outer Main Caps (4 bolt) Engine Oil: 65 ft-lbs. Edelbrock 4262 - Edelbrock Elite II Series Valve Covers. Exhaust Manifold: Anti-Seize Lubricant: 25 ft-lbs. Front cover 75 lb. 5/16 - 18 Oil Pan bolt 165 lb. Specifications for the four-bolt-main are 70 ft.-lbs for the inner bolts, 65 ft.-lbs for the 7/16-inch outer bolts, and 40 ft. lbs. Is my Condenser Bad? The Chevrolet 350 cylinder-head torque specification is 65 ft.-lbs. Her work has appeared on CamaroNation.com and ReedPerformanceOnline. in. Due to the long production run, a few different versions and displacements were available. Jennifer Reed began writing in 2003. 71 Chevelle 454 new best 11.16 @ 119mph 1.55 60ft as of 01-10/65 Elco 4x4 /68 Firebird 400 4spd. Yep, which is why they always leaked over time and people used gasket sealer to prevent it. 4.3 out of 5 stars 119. You should always check the year of your engine before torquing any bolts. Exhaust Manifold: Anti-Seize Lubricant: 25 ft-lbs. Which I though sounded small. Head Bolt Torque Order. The rod torque on a Chevy 350 V8 depends on which size rod bolt you have. Shopping for a Chevrolet 350 small-block V8 crate engine for your project but keep running into generic engines with foreign parts and half of them are built outside the USA? I decided to run with that spec though. for 11/32-inch bolts. On the 3/8 rod bolt the torque is 45 ft/lbs On the 11/32 rod bolt the torque is 35 ft/lbs The intake installed onto cast-iron heads requires 30 ft.-lbs. 1994 Camaro 5.7L 350Cid LT1 Torque Specifications ( Suspension System Specific) Fastener Specifications: Torque/N.M: Torque/Ft.Lbs: Torque/ In. Torque Specs for Small Block Chevy Engines Part Bolt Size Minimum Maximum Camshaft Sprocket 5/16"-18 15 ft. lbs. Search Car Torque Specifications by Engine or Model. These include the water pump, flex plate or flywheel, spark plugs, timing cover, intake manifold and oil pan, just to name a few. They look chewed up and not very semetric to eachother. Dauber, the factory spec for 99 vortec engine(they're all pretty much the same) is 106 lb in or 12Nm. http://s200.photobucket.com/albums/aa265/dauber65/?action=view¤t=Front2.jpg, http://i243.photobucket.com/albums/ff88/Brets71/100_0904.jpg, http://i243.photobucket.com/albums/ff88/Brets71/100_0905.jpg, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. If you purchased aftermarket products you need to refer to the manufacturers specifications. 110 kits found for Valve Cover Studs & Bolts To ensure proper sealing of valve covers, ARP manufactures a variety of special application-specific bolt and stud kits. I think I have been seriously over tightening them. Clutch Pressure Plate: Thread Locker: 35 ft-lbs. 40.67. 30. So the more you pull it down the greater the chance of contact with a rocker. I'll go up to 106 and hope it stays away. Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure. Main bearing caps on 327 engines should be torque in two steps to between 60 and 70 lb-ft, while 350 engines should be taken to 75. The intake manifold and the heads are the main top-end components that rely on torque specifications. For a better experience, please enable JavaScript in your browser before proceeding. 49. What is the valve adjustment / tappet clearance specs for the Honda CB350 / CL350 / SL350? Honda CB350 Specs ; Engine Fires on One Cylinder. If you have the original style center bolted valve covers, I don't think you can really over torque them. Over 6,000 Automotive Torque Specs. Engine Torque Specs There's no need to rush out and buy the shop manual if you don't want to. If you are using ARP bolts, you MUST use their specs. for the 3/8-inch outer bolts. Low-End Torque Specs Main-cap torque specification on the typical Chevrolet 350 two-bolt-main engine is 70 ft.-lbs. Special thanks to crackeregg for making these documents available in a digital format (saved me a lot of typing!). I reset valve lash last night and put the covers onto 25 in/lbs and all noises went away. Specifications for the four-bolt-main are 70 ft.-lbs for the inner bolts, 65 ft.-lbs for the 7/16-inch outer bolts, and 40 ft. lbs. For applications such as the Chevrolet small-block and big-block V8 engines; Metal core with cork-rubber material bonded to both sides; Provides a thicker-than-normal gasket with exceptionally good torque retention; Thickness allows for clearance between valvetrain and valve cover The 302 still used a 4-inch bore, but had a shorter 3-inch stroke like the 283, affording a much higher-winding race engine. Valve Cover: Engine Oil: 3 ft-lbs. The covers are tappered to where they are just a touch smaller on the top. The torque specifications are required to ensure that the engine components are properly tightened. Honda CB350 Engine Valve (Rocker Arm) & Cam Chain Adjustment; How to set ignition timing CB350 / CB360 / CB450 Thanks for the info guys. Assault Racing Products V4001 Small Block Chevy Polished Fabricated Aluminum Long Bolt Valve Covers SBC 283 327 350 400. 11/32 Connecting Rod Bolt: Engine Oil If you are using tin covers, hit the holes from the bottom with a ball peen hammer to raise them up a little, they get distorted by people trying to fix dried out leaky gaskets with more torque. Find Fel-Pro VS50522T Fel-Pro PermaDryPlus Valve Cover Gaskets and get Free Shipping on Orders Over $99 at Summit Racing! in. I've also heard something about tightening them until there is no more play in the push rod, and then 3/4 turn. JavaScript is disabled. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! Oil Pan: Engine Oil: 12 ft-lbs. Find many great new & used options and get the best deals for Engine Valve Cover Gasket Set Fel-Pro VS 50073 R at the best online prices at eBay! 7/16 Inner Main Caps (4 bolt) Engine Oil: 70 ft-lbs. Amazon's Choice for chevy 350 valve covers. The 350/290 HP Deluxe: Chevrolet Performance's most popular small block crate engine - see images, dyno specs, installation info and more. The piston caps have two bolts per piston that require specific torque. ft. I'm curious if anyone knows the torque value for the vortec (centerline) valve covers? (oil, unless noted) Oil pan to front cover 80 lb. Whats the torque spec on cylinder head bolts for 1998 chevy express van 5.7L 350 v8 and it's a 1500 express The torque specs are available in most shop manuals, but I'm sure you knew that already. Oil Pump: Engine Oil: 65 ft-lbs. If you over-tighten the bolts you eliminate the small space between the bearing and journal that allows proper oiling. Free shipping for many products! Bell Housing To Engine Block. for the 3/8-inch outer bolts. The venerable Chevy 350 engine has been a mainstay of the industry, and is a favorite of hot-rodders and backyard mechanics. Rod caps, or rod bearing caps, should be torqued to 45 lb-ft for the 327 engine and 35 for the 350 … All specs are taken from Helms/GM documentation for a 2000 Model F-body. The 350 blocks used the same 4-inch bore as the 327s, except they increased the stroke to 3.480-inches. Warning!!! The intake specs vary due to the differences between metals, such as aluminum intake to iron heads, or iron intake to aluminum heads. Cam Sprocket (upper gear) Thread Locker: 20 ft-lbs. Rocker cover 25 lb. The heads require the correct torque and tightening sequence to prevent damage to the head gasket. The book to get is How to Rebuild Your Small Block Chevy by David Vizard. Reed is attending Penn Foster Career School and is studying to be a motorcycle technician. Torque to: 7/16 Main Caps (2 bolt) Engine Oil: 70 ft-lbs. I guess I will pull them back out and add new locktite and redo them to 106 in/lbs. The small block Chevy engine is the most common V8 engine out there to add performance upgrades to. Production for the typical small block started in 1957 and is still being used today. for 3/8-inch bolts, and 35 to 45 ft. lbs. If you under-torque the intake bolts, this can cause coolant and vacuum leaks. Edelbrock 4262 - Edelbrock Elite II Series Valve Covers. specifications, additional parts that you may need to purchase, torque specifications, and a service parts list. Main-cap torque specification on the typical Chevrolet 350 two-bolt-main engine is 70 ft.-lbs. If you under-tighten the piston or main-cap bolts, there will be too much space, and the volume of the oil will not create the lubricated cushion around the journal. item 5 NEW Fel-Pro Valve Cover Gasket Set VS50295R Honda Accord 2.0 i4 1985-1989 5 - NEW Fel-Pro Valve Cover Gasket Set VS50295R Honda Accord 2.0 i4 1985-1989 $7.63 Free shipping 25 ft. lbs. If you use aftermarket performance bolts like ARP's, you should follow the recommended torque specifications. This silicone rubber is wrapped around a rigid carrier that adds strength to the gasket … I have old style 4 outer bolt sbc valve covers and I had to put new gasket on and I used studs with a flat washer first then a lock washer followed with a nylock nut. The accessories have certain specifications as well. It looks like the bosses on the bottom side of my covers are not perfect. You can purchase a plastigage at any auto parts store and it comes with instructions for use. I think the torque is only 10 ft-lbs, same as oil pan bolts. Hi I need to know the torque specs for the rocker arms on a small block Chevy 350. Torque the valve cover bolts to 5-6 ft/lbs, making sure the gaskets do not slip out of position. I found a Moroso web page that said 20 in/lbs. 1/4 - 20 Oil pump cover 80 lb. An over-tightened bolt can damage the threads, or break the bolt--causing time-consuming and sometimes costly repair. If you do the 6 ft lbs settings that I suggest you need to use blue locktite. 4.6 out of 5 stars 181. These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head.