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Click on image for the lowdown. 
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| | | Forums66 Topics128,142 Posts1,056,481 Members48,441 | | 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!
| | THANKS!
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: May 2005 Posts: 1,624 Shop Shark | | Shop Shark Joined: May 2005 Posts: 1,624 | I also tried the pump cam thing. I never did get rid of the off idle flat spot. I was about to start re-jetting when I sold the 250 and moved on to a 350. Remember the old saying, "There's no substitute for cubic inches except cubic money".
Six volt guy living in a twelve volt world
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