What was the Chevy camel double hump made of?
What was the Chevy camel double hump made of?
3/8” chromoly screw-in rocker arm studs included Blocked exhaust heat riser manifold crossover port Designed for 1962-86 small block engines (302/327/350) Step back in time with our modern reproduction of the iconic Chevy 461 double hump cylinder heads, now cast in lightweight aluminum!
How many horsepower does a Chevy double hump head have?
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. While there are variations among them, some heads with different casting marks also performed well. There are two casting marks with two humps — a tall one and a short one.
What kind of aluminum are double hump cylinder heads made of?
Step back in time with our modern reproduction of the iconic Chevy 461 double hump cylinder heads, now cast in lightweight aluminum! Also known as “fuelie” heads, the 3782461 castings were used on many legendary Chevrolets from 1961-1967.
How big is the combustion chamber on a Chevy small block?
As displacement grew and smog laws took precedence over performance, combustion chambers expanded to 76-cc. They constitute the later-model iron heads such as the 882, 441, and other casting number heads. These large chamber heads shrouded the valves even more than the older 64-cc chambers and did nothing to improve airflow.
When did Chevy start using double hump heads?
Heads with short double-hump casting marks were used in later high-performance SBCs. Most of these heads had accessory bolt holes and were identified with casting numbers ending in 186 or 492. They were used from ’68 through ’72 on 302 CI Z-28 engines as well as ’70 through ’72 in LT-1 350 CI Corvette/Z-28 engines.
What are the specs for a double hump head?
Chevy Double Hump Heads Specs 1 Tall Double-Hump Casting Marks. There are two casting marks with two humps — a tall one and a short one. 2 Short Double-Hump Casting Marks. Heads with short double-hump casting marks were used in later high-performance SBCs. 3 Current Applications. 4 Aftermarket Heads.
As displacement grew and smog laws took precedence over performance, combustion chambers expanded to 76-cc. They constitute the later-model iron heads such as the 882, 441, and other casting number heads. These large chamber heads shrouded the valves even more than the older 64-cc chambers and did nothing to improve airflow.
What kind of heads did Chevys have?
Combustion chambers were typically 62 to 64cc and provided higher compression ratios. These heads were found on Chevy high-horsepower 302, 327 and 350 CID engines, including the fuel-injected 327s, from which they got the nickname “fuelie heads.”.
