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Blair,
I'll let you know.
The backfire through the pipes on deceleration is a recent happening. Thought it might be the used carb I purchased. Figured it was running very rich. That along with an exhaust leak. Can't find the leak. Had the carb gone through and leaned out was fine for awhile. Started again. SO out went the Holley 650 Dbl/mechanical. On went a brand new Street Avenger 670 CFM.
Car runs better but still have the backfire. Possible a blown exhaust manifold gasket but I can't hear it leaking.
So it was time to call in the big guns....
Mike
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