Thread: Looking at going back to a carb!!
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Old 09-04-2013, 05:14 PM
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Frank Messina Frank Messina is offline
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Location: Yorba Linda, CA
Cobra Make, Engine: FFR, V8, Manual Trans, Htr, Wipers, Radio Delete
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Whether you decide to stay with the EFI or go carb it sounds like you'll need some help tuning. A 750 on a 427 is definitely not too big but a 600 0r 650 is for sure going to be smaller than what the engine wants. Don't think you're going to take it out of the box, plop it on there and live happily ever after. People like to say that but reality is they all need some tuning to get them exactly right. I have a Holley HP 750 on my 351 and give up nothing anywhere. No stink, idles well, pulls strong, no stumbles or hesitation and gets decent gas mileage. The point is you have to tune for what the engine wants. If you've been tuning your EFI yourself you can most certainly learn to tune a carb. It is not hard.

Frank
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