What do you need to torque the main bearing caps on 350?
Main-cap torque specification on the typical Chevrolet 350 two-bolt-main engine is 70 ft. -lbs. Specifications for the four-bolt-main are 70 ft. -lbs for the inner bolts, 65 ft.
What are the torque specs on a small block Chevy?
Small Block Chevy Torque Specs
| Fastener Type | Torque Spec |
|---|---|
| Cam Sprocket Bolts | 18-20 ft.-lbs. |
| Harmonic Damper Bolt | 60 ft.-lbs. |
| Flywheel/Flexplate Bolts | 65 ft.-lbs. |
| Pressure Plate Bolts | 35 ft.-lbs. |
What do you torque Flexplate bolts to?
Install the flexplate onto the crankshaft at this time, using thread locker on the crank bolts. Torque 7/16 bolts in an even tightening sequence to 70 ft/lbs, ½ bolts to 80 ft/lbs.
How much torque does a 350 Chevy have?
However, the original Chevy 350 put out 295 HP and 380 lb-ft of torque. Another fun fact: the engine’s exact displacement is 349.85 cubic inches (5.7 L if you go by metric).
What are main caps on a motor?
The main caps become oval from the intense downward pressures imposed on them by the engine’s crankshaft. Inspection: A line boring tool bores the main bore through the bottom of the engine block and the main bearing caps. Each cap is bolted in place during the process.
How much torque does a Chevy 350 have?
What is the torque for the torque converter bolts?
We recommend that you loctite the bolts and torque to 45 ft/lbs.
What is the torque specs on a Chevy 350 intake manifold?
In the GM 350-cubic-inch engine, the intake manifold bolts to the cylinder head with 33 foot-pounds of torque. The intake manifold supplies this engine’s eight cylinders.
How big is the bolt on a Chevy small block?
Bolt Torque Spec Chart for Chevy Small Block Chevy Fastener Type Torque Spec 7/16 in. outer main cap bolt 65 ft.-lbs. 7/16 in. inner main cap bolt 70 ft.-lbs. 3/8 in. outer main cap bolt 40 ft.-lbs. 11/32 in. connecting rod bolt 38-44 ft.-lbs. 3/8 in. connecting rod bolt 40-45 ft.-lbs.
How many bolt mains does a 350 SBC have?
It doesn’t take too much to bring the motor alive. Most truck versions of the 350 SBC had 4 bolt mains as well as some cars. Building a good performer that will hold the horsepower together does not have to be ultra-expensive. You can start with a good 2 or 4 bolt main small block and build power on it.
When did the small block chevy engine start?
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. Due to the long production run, a few different versions and displacements were available.