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Old 02-28-2009, 11:57 PM   #1
ED67C20
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Join Date: Aug 2006
Location: spokane, washington
Posts: 37
Open carb adaptor vs. 4-hole adaptor

I have a stock Q-jet spreadbore intake with an eddy performer carb. Right now I am using a Mr. Gasket open carb adaptor. It is just an open square hole for the throttle plates. Is there any performance or gas mileage difference with the edelbrock 4 hole design. The holes seem to be port matched. Just wanting opinions before I fork out $50. Thanks, ED67C20
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