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Mod | | | Forums66 Topics128,022 Posts1,055,377 Members48,422 | | 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!
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#48315 09/09/2005 1:30 AM | Joined: Aug 2006 Posts: 90 New Guy | | New Guy Joined: Aug 2006 Posts: 90 | Hi. I recently purchased a '54 3600 and the engine is running rough, the plugs are fouled and the engine stalls often. I have changed the plugs and think the carberator needs rebuilt. The distributor looks good. Any other thoughts or place to look?
I would also like to keep the 235, but increase performance. Any thoughts/ideas/suggestions are welcome.
Thanks!
Today is the best day of my life!!!
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#48316 09/09/2005 1:50 AM | Joined: Feb 2003 Posts: 452 Shop Shark | | Shop Shark Joined: Feb 2003 Posts: 452 | Set the points and timing, if you haven't already. It's amazing the difference a couple o' thou' will make!
Rebuilding the carb is always a good idea if you think it's been a while. If you want to mod, there are several tech tips regarding pumping up the 235. If you are doing a full rebuild and can bore it out, you can get almost 200hp out of it, and it should still be reliable. Manifolds, headers, head porting, etc. can all help with power.
Keep sking questions and you will get answers, but don't be shy about using the search engine here. Sometimes it is slow, but the results are worth it.
Current fleet (subject to change w/o notice) \'49 GMC 3/4-Ton , 60 Austin Healey Frog-eye Sprite (some assembly required), 2011 Dodge Avenger, 2015 Jeep Cherokee. No, they don't all run. My other ride is a (B737)no, (B767)no, A320.... Update... was Embraer E190, now Boeing B787. Knowledge is a wonderful thing, but ignorance means you don't know you can't do something.
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#48317 09/09/2005 1:54 AM | Joined: Jun 2000 Posts: 2,773 'Bolter | | 'Bolter Joined: Jun 2000 Posts: 2,773 | Check your points. Gap should be .015 used, .019 new. The carb, Rochester one barrel, has some problems. The horn warps, causing the upper seal to leak, and the throttle body wears from the shaft, causing vacuum leaks. Both are fixable, but take more than throwing a kit in the carb.
Fred
52 3600
69 C-10
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#48318 09/10/2005 1:41 AM | Joined: Aug 2005 Posts: 8 New Guy | | New Guy Joined: Aug 2005 Posts: 8 | If your 235 has solid lifters you may want to set the valves also | | |
#48320 09/11/2005 3:09 AM | Joined: Aug 2006 Posts: 90 New Guy | | New Guy Joined: Aug 2006 Posts: 90 | Thank you for all the very helpful info. I plan on starting as soon as I am in Texas (where the truck is located) next time. Unfortunately, that will not be until Thanksgiving. Guess that means I have lots of time to work out a plan!
Today is the best day of my life!!!
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