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| | Forums66 Topics128,052 Posts1,055,727 Members48,426 | | 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!
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| | | Joined: Feb 2007 Posts: 9 New Guy | | New Guy Joined: Feb 2007 Posts: 9 | Hi I replaced the muffler on my 68 k-20 292 engine with a Walker 21169 heavy duty muffler it has a whistling sound under acceleration any ideas of what the problem is? | | |
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