How much horsepower was a 400 small-block Chevy?

How much horsepower was a 400 small-block Chevy?

401 hp
In case you missed the story, the best power numbers were gained with a set of GM Performance Parts Vortec heads supplied by Scoggin-Dickey, and even then the 400 small block Chevy managed only 401 hp and 458 lb-ft of torque.

How much is a 400 small-block?

400 Small Block: How To Build A Torque Monster For $2,500!- Hands On.

How much horsepower does a 400 v8 have?

In this application, the 400 had a four-barrel carburetor, had the same 8.2:1 compression, and was rated at 195 horsepower and 305 pound-feet of torque.

What cars came with a 400 small-block Chevy?

The 400 saw extensive use in full-size Chevrolet and GMC trucks; K5 Blazer/Jimmy, 1/2-ton, 3/4-ton, 1-ton, and even larger ‘medium duty’ trucks had an option to be equipped with a 400. The engine was available in midsize A-Body and full-size B-Body passenger cars until the end of the 1976 model year.

Is a GM 400 a big block?

GM had its own version of the 400 motor but ot is considered a small block, and not a big block.

Is a Pontiac 400 engine a big block or small block?

A Chevrolet Camaro 396 had a big block, but a Pontiac Firebird 400 did not. Buick and Oldsmobile 455s were big blocks, but a Pontiac 455 was not. A Chevrolet 348 was a big block, but a Chevrolet 350 was a small block.

Can you stroke a 400 small block Chevy?

This makes it a great choice for all types of application. This is the largest stroker combination available for the Chevy 400, using a 4.000″ stroke to achieve 434 cubic inches of displacement. This configuration will be more bottom-end heavy than the others, with less emphasis on top-end power.

When did Chevy stop making the 400?

The end of the Chevrolet 400 While the 400 was produced alongside the Chevy, the 400’s North American counterpart ceased production after the 1967 model year.

How much horsepower can a Pontiac 400 make?

They found that the engine provided massive amounts of low-end torque and rock steady high RPM power output. The 389 posted numbers in the 330 horsepower range with a single spread-bore, four-barrel carburetor. The 400 pushed this number up to 360 horsepower, with the same Quadrajet single four-barrel.

Will 350 heads fit on a 400?

Yes, but you need to drill the steam holes in the decks to help with cooling like the original 400 heads had. Not a big deal. Get the gasket for a template and a hand drill.

What are steam holes on 400 SBC?

The 400 ci block is the only Chevrolet small-block that has the steam holes on the deck surface. The Chevrolet small-block is by-far one of the most versatile V8 known to man.