What kind of HP are you making? I have a 67 Firebird with a 72 400 that was taken up to a 461 using worked Edelbrock heads and is pushing about 560hp. It also has a 5 speed and 3.73s. My builder used a QUICK FUEL 850 BRAWLER with Edelbrock Victor intake but that was too much intake and after talking to Butler I switched it out with a Performer RPM. It runs a lot better on the streets now. I'm also running Doug's headers and a flowmaster exhaust.
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67 Firebird Convertible
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