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#1 |
Registered User
Join Date: Nov 2015
Location: Colfax California
Posts: 1,644
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Drum type pop from exhaust
So I just put in a new MSD pro billet HEI and I fired the truck up and it runs kindof rough and has this sound from the exhaust like somebody hitting a drum about once one or two times per second. What is that? It's not really a pop, but it's definetly coming from the exhaust.
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