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Mod | | | Forums66 Topics128,078 Posts1,056,022 Members48,433 | | 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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| | | | Joined: Apr 2010 Posts: 48 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2010 Posts: 48 | HiGuys I have a 69 c 50 292 and have new everything plugs wires cap rotor rebuilt carb. checked everyting and it is still back firing thru the carb. at around 40 miles. rebuild the distubrator? I ask if maybe needed new timing chain but shop did not think so. engine has 93.000 miles. Any ideas Thanks Tony | | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy crockbuyer, have you done a compression check? If you have and everything was good, then you might have a sticking intake valve, or possibly a broken intake valve spring, hope that helps. | | | | | Joined: Aug 2011 Posts: 835 Shop Shark | | Shop Shark Joined: Aug 2011 Posts: 835 | Are you sure you have the plug wires hooked up right? Easy to get switched around....
Kurt | | |
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