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Mod | | | Forums66 Topics128,023 Posts1,055,370 Members48,420 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Jan 2005 Posts: 364 Shop Shark | | Shop Shark Joined: Jan 2005 Posts: 364 | First thought I had was air in the cooling system, but after you said "popping" out the exhaust I would lean more towards timing or valves. Did you do a compression test? Could be a burned or bent valve?
Keith
If it were easy they'd have grade schoolers doing it!
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