Thread: vac advance or not for FE Cobra
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Old 09-26-2014, 01:39 PM
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Grubby Grubby is offline
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Join Date: Nov 2007
Location: Clayton, IN
Cobra Make, Engine: ERA 838
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Default vac advance or not for FE Cobra
I know that vac advance doesn't add performance, but it certainly add fuel mileage.

An FE MSD distributor without vac advance is about $100 cheaper than one with. Would you ever make up the difference in gas mileage on a Cobra?

If a 447 gets about 15mpg with vac advance, how much would it get with?

John
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