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Old 01-08-2004, 10:35 AM   #1
BigRed
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Join Date: Jun 2002
Location: DFW, TX
Posts: 1,680
Popping exhaust??

I've been really busy at work and home lately so haven't been around the site in awhile.

I have a quick question. My '86 burb has single exhaust with a glass pack. I know glass packs are supposed to be kinda poppy, but mine is doing weird stuff. When I'm at the upper point of my shift points (rpms are up) and quickly let off the gas, my exhaust has been popping really bad. Sometimes, it almost sounds like a gun shot. It hasn't always done this, just the past several months. Could it be a timing issue or is it just a warn out glass pack?
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