How much HP can camel hump heads make?
“Double-hump” heads were found on many of its high-performance engines in the 1960s and early 1970s. They were manufactured with larger intake and exhaust port volumes and valves for the period, and engines equipped with them had output ratings of more than 350 horsepower.
What are the best heads for a 283?
If sticking with the 283, 305 HO heads would be a great choice on a 283. The “HO” heads had 1.84 intake valves, whereas normal 305 heads had only 1.72. If you look around, you can often find -416 or -601 heads for dirt cheap.
Can you drill accessory holes in camel hump heads?
Just drill and tap the one hole that is needed, and you should be fine.
Is there a difference between 350 heads and 283 heads?
The 283 can handle the larger 194 intake 350 heads there will not be any (shrouding) the 202 intake valves are bit bit much for a 283. Its the large open chamber that will lower the compression ratio.
What’s the difference between 461 and 462 heads?
There is no discernible difference between a 291 and a 462 head. The 461 head had no chamber below the spark plug, it was machined flat when the head was made. The 461x heads though desirable for their bigger ports are basically all gone, used up and expensive. Class racers had used up most of them.
Is 283 a good motor?
283 is a good motor.
How much horsepower can I get out of a 283?
On the surface of it, one would be hard pressed to believe that a Stock 283 Chevy, with an actual displacement of 293 cubes, breathing through 1.72-inch intake valves, with lift restricted to a meager 0.399 inch through a stock-style valve train would pull hard to upwards of 8,000 rpm and deliver power approaching 1.3 …
How much HP can you get out of a 283?
How much horsepower can you get out of a 283?
What kind of head does a Chevy double hump have?
Chevy Double Hump Heads Specs. by Moss Strohem. General Motors identifies its small-block Chevy cylinder heads with both casting numbers and casting marks. “Double-hump” heads were found on many of its high-performance engines in the 1960s and early 1970s.
Which is better a camel hump or aftermarket head?
The camel hump heads will be OK but aftermarket heads would be better. It all depends on how much money you have to spend on them. Just make sure that the intake and exhaust ports are port matched to the intake and headers.
Can a Vortec head make a 283 sing?
They’ll make more power, flow better, weight less and allow a 1/2 point more compression. I don’t think the Vortec heads are going to get it on a 283. A good set of heads matched to an good intake with a cam that has a 7000 to 8000 RPM limit is what makes a 283 sing.
Are there two casting marks for two humps?
There are two casting marks with two humps — a tall one and a short one. Heads with the taller casting mark were produced in four casings. Casting numbers typically had seven digits, and heads were commonly recognized by the last three numbers.