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Old 09-01-2012, 09:14 AM
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Grubby Grubby is offline
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Join Date: Nov 2007
Location: Clayton, IN
Cobra Make, Engine: ERA 838
Posts: 1,122
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Brent,

Thank you for the kind offer. At this point I will go a different direction.

**

I visited the local Holley expert (Promax) and had a long discussion and shop visit. He uses test mule engines on a dyno to get basic tune on carbs and then experience to final tune. He is confident my carb can be made to work well.

Starting from square 1 he would have suggested a 750 double pumper. His opinion is that with about $175 in tuning work my carb will be very close in performance to a 750 double pumper.

I am going to give him a shot.

He says the 850 would not be as responsive for a street car, and the 750 does give up some max HP.

John
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