Thread: Off idle stumble
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  #30  
Old 05-28-2010, 01:39 PM
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lust4speed lust4speed is offline
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Originally Posted by carbking View Post
...When Pontiac was still using square-bore carbs (the Carter AFB), they used a 575 on the V-8 engines up to and including the 421...Jon.
Jon, I've heard several different sizes quoted for the AFB's used on engines like the '65 421. Were they 575 cfm's?

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