What are the torque specs for a 350 Chevy?


What are the torque specs for a 350 Chevy?

Always torque bolts in three equal increments

Bolts or Parts Lube or Sealer Torque to:
7/16 Inner Main Caps (4 bolt) Engine Oil 70 ft-lbs.
7/16 Outer Main Caps (4 bolt) Engine Oil 65 ft-lbs.
3/8 Outer Main Caps (4 bolt) Engine Oil 40 ft-lbs.
3/8 Connecting Rod Engine Oil 45 ft-lbs.

What are the torque specs for a small block Chevy with aluminum heads?

Torque specification is 45 lb/ft. Be sure to put thread sealant or RTV silicone sealer on any stud or shaft bolt that threads into an intake runner, and use anti-seize lubricant on any stud or shaft that is being threaded into aluminum.

What are the torque specs for a 454 Chevy?

Big Block Chevy Torque Specs

Fastener Type Torque Specs
Main Cap Bolt (396-454, 4-Bolt, Inner and Outer) 110 ft.-lbs.
3/8 in. Connecting Rod Bolt 50 ft.-lbs.
7/16 in. Connecting Rod Bolt 67-73 ft.-lbs.
Cylinder Head Bolts, Long 75 ft.-lbs.

How much power can a Chevy 250 make?

With a 230-cubic-inch inline six with a mild cam, headers, and the cylinder head work we’ve described, you could expect to make around 250 to perhaps 260 horsepower. Because the inline six crankshaft is so long, even with 7 main bearings it’s probably not a good idea to spin these engines much beyond 6,000 rpm.

Which is better Ford f250 or Chevy 2500?

Comparing the 2021 F-250 vs. Silverado 2500HD? You’re not alone. Although the Ford F-250 delivers a higher maximum towing capacity and a higher maximum payload rating, the Chevy Silverado 2500HD comes equipped with a stronger standard engine and just might be a better all-around value.

What is the torque for aluminum heads?

Various aluminum head vendors recommend 70 ft/lbs on bolts or studs.

How much power does a 454 make?

Dyno Details 454
Heads GM Rectangular/Oval cylinder head
Max power 501 hp @ 5,500 rpm
Avg torque 483.9 lb-ft
Avg power {{{405}}}.4 hp

How much does a Chevy 250 inline 6 weigh?

ENGINE Weight References
Chevy L6 194-250 440
Chevy L6 292
Chevy L6 216/235 630 (2)

Did Chevy make a straight-6?

The Chevrolet straight six was introduced for the 1929 model year as the brand’s only power plant, replacing the 2.8-liter four-cylinder engine that powered earlier Chevs. This pushrod six-cylinder design was only engine offered by Chevrolet from 1929 until the advent of the small block V8 in 1955.