How much horsepower can you get out of a 283?

Horsepower was offered as little as 185. But the 283 could be boosted to a maximum 315 horsepower, which is a remarkable feat given its displacement.

Can you put Vortec heads on a 283?

Even with the 1.94 intake to fit the small 283/307 bore, you should still be able to match the Vortec flow. with the perfect bore, stroke and rod ratio is very impressive…

Is a 283 a good motor?

Even after the 327’s debut, the 283 made such a good base engine that it soldiered on through 1967. With its short 3-inch stroke, a 283 can rev as if there’s no tomorrow, but the small bore restricts adding really large valves and, hence, ultimate breathing potential.

Will 461 heads fit in a 283?

These heads have 2.02″ intake and 1.60″ exhaust valves, whereas most 461 heads came with a 1.94″ intake and 1.50″ exhaust valve. However, even with a 4″ wide chamber and large valves, these heads will still fit on a .040″ over 283 engine, as well as the larger 327 Chevy.

What kind of engine does a 461 have?

There was also a race version of the 461 known as the 461x. It featured 172cc intake runners and a slightly larger combustion chamber. The 461 head is more popularly referred to as the “Fuelie” head, because it was introduced as standard equipment on the 1962 327ci Corvette engine that was fed by a mechanical Rochester fuel-injection system.

What size heads for 283 flat top?

The heads use a 60cc combustion chamber. Plugged into our compression ratio program, that puts your flat-top 283 at 9.35:1 which is pretty good. This will work well on pump gas. I would also run long-tube 1 5/8-inch headers in this.

How do you identify a 462 head?

The castings are usually identified by the last three numbers, so 3782461 cylinder that was produced originally for 327ci engines would be better known simply as the 461 head. Its replacement, the 3890462 and 3891462 castings, are best known as a 462 head. Collectors and racers do have to be careful when looking at 462 heads.