Thread: different size carbs?
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04-05-2004 04:32 PM #5
depends on its application, the .030 over 305 I had in my 86 Elky ran to 6000 RPMs, I ran a 570 Holley street avenger on it.
my current 454 in my 75 stepside has a 770 Holley, probably more than I need since this motor never goes past 5000 RPMs. could easily get by with 700 CFM. John75 GMC C-15 factory 454, automatic, lowered





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I'm happy to see it back up, sure hope it lasts.
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