The rules and therefore the paths to 7-second performance are different between NHRA Pro Stock and Pro Street, but the cars are nearly identical under the skin. What looks like a '57 Chevy or a '69 ...
Chevy fourth generation aluminum big-block head is readily i.d. 'ed by "bow tie" emblem and new square exhaust ports that exit ¾ inch higher than previous D-port design. You'll have to drill new ...