Thread: Dual Quad dilemma...too much carb?
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Old 11-15-2006, 12:02 AM
Carnut427 Carnut427 is offline
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Cobra Make, Engine: ERA 427 w/496 Side Oiler, roller, dual quads
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SFM5S159, first of all, I'm not sure what size the Bj/BK carbs are, but I believe they're a bit smaller than 600 cfm; could be wrong, but 535 cfm comes to mind. Doesn't matter, vacuum secondaries only open when the engine can use the extra fuel/air, and only open as much as the engine can use; so even if they're rated at 600 cfm, they won't supply that much cfm on your engine. Run those puppies!

Dan
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