Power Pack Heads Casting Numbers at William Fusco blog

Power Pack Heads Casting Numbers. The information from hamb has been helpful, but limited. Some books list the 997 head a 220hp (power pack) for the corvette and others list it as the high perf. They had the higher compression ratio but the small intake ports. I have a 1962 327, with the power pack heads on it. Some might say to run 305 heads instead, but the vintage. The dual 4 barrel heads had casting #3732262 and had the larger. 1960 through 1963 28ci3 or 327ci, 60cc. Casting number 3795896 was nicknamed the “power pack” head. The easiest way to reference any production head is with the last three digits of its casting number. Hard to find better heads for a 283 than the good ol' power pack heads. For the 245hp and up. Hi is it possible to identify 1957 powerpack heads without removing the valve covers and reading the casting #'s? They also list the 539 as a 220hp pass and 283hp.

Some might say to run 305 heads instead, but the vintage. They also list the 539 as a 220hp pass and 283hp. The dual 4 barrel heads had casting #3732262 and had the larger. I have a 1962 327, with the power pack heads on it. Hard to find better heads for a 283 than the good ol' power pack heads. 1960 through 1963 28ci3 or 327ci, 60cc. The easiest way to reference any production head is with the last three digits of its casting number. Casting number 3795896 was nicknamed the “power pack” head. Some books list the 997 head a 220hp (power pack) for the corvette and others list it as the high perf. They had the higher compression ratio but the small intake ports.

C1 1956 corvette heads identification help CorvetteForum Chevrolet

Power Pack Heads Casting Numbers They also list the 539 as a 220hp pass and 283hp. I have a 1962 327, with the power pack heads on it. Hi is it possible to identify 1957 powerpack heads without removing the valve covers and reading the casting #'s? Hard to find better heads for a 283 than the good ol' power pack heads. For the 245hp and up. The dual 4 barrel heads had casting #3732262 and had the larger. Casting number 3795896 was nicknamed the “power pack” head. They also list the 539 as a 220hp pass and 283hp. The easiest way to reference any production head is with the last three digits of its casting number. The information from hamb has been helpful, but limited. Some books list the 997 head a 220hp (power pack) for the corvette and others list it as the high perf. 1960 through 1963 28ci3 or 327ci, 60cc. Some might say to run 305 heads instead, but the vintage. They had the higher compression ratio but the small intake ports.