valve cover torque specs chevy 350

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

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