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Old 05-24-2010, 08:45 AM
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zimmy zimmy is offline
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Join Date: Apr 2000
Location: Leesburg, VA USA, VA
Cobra Make, Engine: Contemporary, 427 FE Center Oiler w/ 48 IDA Webers
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Priobe:

I would definitely increase your timing. I run 20 initial with 38 total all in by 3000. Try it. You'll like it.

When Jim said to run a much smaller air corrector (160 from the 195 I had been running) I was doubtful. It really picked up. You can always go back to what you have now.

With all the time we've both put in, what have you got to lose? Remember - Jim's experience was built on his own 427 Cobra; not racing VWs or big heavy cars. I also think that you'll like the extra umph from the 42mm throats. Our engines need as much as they can get. That is why you'll have to increase the main to 165 or 170. More air in. I'm not sure I remember your engine specs but it probably isn't too different from mine. (Although mine is a stroked 454 now, but should be good setup for you).

Let me know what you try and how it works out. See ya!
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