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Old 11-21-2006, 11:30 AM   #27
magnethead
7000 #'s of american IRON
 
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Join Date: Dec 2004
Location: north tx
Posts: 883
Re: New rig...road trip!

On the motor, pop the valve covers and bump it around, see if there isn't something in the valvetrain (bent pushrod, broken rocker, ect) causing the backfire. If that checks out, pull the head and see if the gasket is pushed or something.
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