Was the Pontiac 400 a big block?
Was the Pontiac 400 a big block?
Ford 332 (5.4 litre) Interceptor big block V8. 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. Thus, segregating engines and engine families into small and big block categories became useful shorthand.
How much horsepower does a 1972 Pontiac 400 have?
360 horsepower
The 400 pushed this number up to 360 horsepower, with the same Quadrajet single four-barrel.
How many liters is a 400 big block?
400. The largest version of the Generation I small-block was the 400 (6.6 liter). It was the only engine available with both the 4.125-inch bore and the 3.75-inch stroke crankshaft. It debuted in 1970 and was produced for 10 years.
How many cubic inches is a Pontiac 400 bored 30 over?
Pontiac Blocks- Bore and Stroke
| PONTIAC ENGINE CHART | ||
|---|---|---|
| ENGINE | BORE | |
| 400 CU. IN. | Stock Bore | 4.120 |
| 30 over | 4.150 | |
| 60 over | 4.180 |
What is horsepower rating on a Pontiac 400?
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.
What is the weight of a Pontiac 400?
The Pontiac Firebird 400 weighs a quoted 1543 kg at the kerb. Be as accurate as possible with the details of your car, including any upgrades or modifications made. It may be slightly more expensive month-to-month, but you don’t need the hassle of trying to iron out the details when you’re trying to get paid out for a claim.
What is the bore and stroke of a Pontiac 400?
Stock Pontiac 400 Specs: 400 standard bore is 4.120, stock stroke is 3.750, stock rod length is 6.625, stock wrist pin size is .9805. CID: Cubic inch displacement of engine. Bore: Finished cylinder bore size, in inches that pistons are designed to work in.
What is a Pontiac 400?
The Pontiac 400 engine was used as a high performance engine in sports cars, and it was used in large cars as a workhorse type engine, strong on power, though not as speedy as the higher performance engines. This was accomplished to a large extent by the use of carburetors .
