The little block Chevy engine is the most usual V8 engine out there to include performance upgrades to. Manufacturing for the typical tiny block began in 1957 and is quiet being provided today. Due to the long production run, a couple of different versions and displacements to be available. Many parts space interchangeable throughout the years, yet some, such together an oil pan, are era specific. They"re easy to occupational on and are a an excellent engine platform to make streetable power. Plus, the small block Chevrolet is a great performer in its share form. That doesn"t take it too much to carry the motor alive. Many truck versions of the 350 SBC had 4 bolt mains and some cars. Structure a an excellent performer the will organize the horsepower together does not need to be ultra-expensive. You can start v a an excellent 2 or 4 bolt main little block and also build strength on it.

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Because that the SBC"s popularity, the automotive aftermarket has responded by manufacturing many numbers of power upgrades. Structure a tiny block Chevy has actually many, plenty of combinations of cylinder heads, cams, intakes and other components to totally custom build the engine you want for your purpose. Lifwynnfoundation.org carries countless performance components for the tiny block Chevy at daily low prices!

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SBC casting Number LocationsBlock: Left rear, optimal of block just forward that the bellhousing mounting surface.Cylinder Head: peak of cylinder head (valve cover must be removed)

267, 305, 327, 350, 400 CID - SBC firing Order

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Torque Specs

Always talk bolts in three equal increments

Bolts or Parts
Lube or SealerTorque to:7/16 main Caps (2 bolt)Engine Oil70 ft-lbs.
7/16 Inner main Caps (4 bolt)Engine Oil70 ft-lbs.
7/16 Outer key Caps (4 bolt)Engine Oil65 ft-lbs.
3/8 Outer main Caps (4 bolt)Engine Oil40 ft-lbs.
3/8 Connecting RodEngine Oil45 ft-lbs.
11/32 Connecting RodEngine Oil45 ft-lbs.
Cylinder HeadsEngine oil (blind hole)Sealer (water jacket)65 ft-lbs.
Rocker Studs (screw-in)Engine Oil50 ft-lbs.
Oil PumpEngine Oil65 ft-lbs.
Oil PanEngine Oil12 ft-lbs.
Cam Sprocket (upper gear)Thread Locker20 ft-lbs.
Timing CoverEngine Oil6 ft-lbs.
Intake Manifold (Cast steel Heads)Non- Hardening Sealer30 ft-lbs.
Valve CoverEngine Oil3 ft-lbs.
Exhaust ManifoldAnti-Seize Lubricant25 ft-lbs.
Spark PlugsNo Lube or Sealer20 ft-lbs.
Flexplate (Automatic)Flywheel (Clutch)Thread Locker60 ft-lbs.
Clutch pressure PlateThread Locker35 ft-lbs.
Centerbolt (Harmonic Damper)Engine Oil60 ft-lbs.

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Bellhousing (Transmission to Block)Engine Oil25 ft-lbs.

SBC Cylinder Head Bolt Tightening Sequence

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