How much HP can a 350 TBI handle?

The 350 TBIs only flow like 475 cfm, but can be bored to flow ~650 cfm. The bored TBI with the bigger injectors (96 lbs), the right chip, and a bumped up fuel pump (20 psi), should be able to support 345 hp (according to John’s calculations).

What is a Chevy 350 TBI motor?

These vehicles featured a 350 ci, 5.7 Small Block Chevy with TBI (throttle body injected) EFI system, and swirl port heads. Producing up to 210 hp in factory spec, this engine can also be retrofitted into an older car with a performance carburetor to produce up to 250 hp.

Are 350 TBI reliable?

tbi is about as reliable as one would expect a simple system with a few sensors and 2 injectors can be. i’ve never actually had a coolant temp sensor fail but i believe the ignition module has failed in my 350 tbi roadmonster.

How much horsepower does a 1991 Chevy 350 have?

Re: What HP is really in the 91 Silverado 350/5.7 engine. The 4.3 V6 was rated at 160, the 5.0 was 175.

What are the timing specs on a Chevy 350?

The 350’s timing specifications are almost identical to the other small blocks. However, the ignition timing for the 255-horsepower version with manual transmission is at Top Dead Center and 4 degrees BTDC with automatics.

What is the Max bore for a Chevy 350?

The 350 has a 4-inch bore with a 3.48-inch stroke. Not only is this a well-proven configuration in terms of reliability but also 350 cores at the wrecking yard are, figuratively speaking, nearly a dime a dozen. Chevy 400 blocks are out there, but as the years go by their numbers diminish significantly, by attrition and hot rod usage.

What is the best carburetor for a Chevy 350?

Edelbrock 1406 EPS is the best carburetor for Chevy 350 due to its incredible features and a 90-day warranty. It is super efficient, durable, light in weight.

What are the torque specs for a Chevy 350 engine?

The Chevrolet 350 cylinder-head torque specification is 65 ft.-lbs. The intake installed onto cast-iron heads requires 30 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.