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Mod | | | Forums66 Topics128,049 Posts1,055,699 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!
| | | | Joined: Jul 2000 Posts: 962 Shop Shark | | Shop Shark Joined: Jul 2000 Posts: 962 | check compression and manifold heat spring. Its weird that #3 and #4 would be so different, because they share an intake runner. A 235 has siamesed intake ports, so 1&2 , 3&4, 5&6 share intake runners. Check plug wires. Check valve adjustment. Check timing. That should point in the right direction
chip
Preaching the Hot Rod Gospel according to the 4-stroke apostles:
Suck, Squish, Fire and Fumes
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