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Mod | | | Forums66 Topics128,023 Posts1,055,370 Members48,420 | | 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: Oct 2006 Posts: 126 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2006 Posts: 126 | I am running a 54 3100 235. I am having issues with the engine getting hot. I drive 30 miles one way at about 55-60 mph and after 10 mins of driving I can feel the heat through the firewall.
I just had the engine rebuilt, new water pump, new radiator. What else can I do? | | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | maybe you need more insulation on the firewall - is the truck actually overheating? - what does the temp gauge say? have you checked the actual temp with a good laser thermometer?
Bill | | | | | Joined: Oct 2006 Posts: 126 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2006 Posts: 126 | The temp gauge is not hooked up, I do not have numbers to back up my claim, I just feel alot of heat coming through the firewall and even when I shut down and look under the hood. Bill you may be right that its not actually overheating but I am concerned that it is. | | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | get a laser thermometer and check around the engine and rad when you feel it's up to "hot", you might be surprised how much heat gets transfered thru the firewall, and how hot it gets under the hood, just at normal operating temp
Bill | | | | | Joined: Oct 2006 Posts: 126 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2006 Posts: 126 | I had the transmission rebuilt and the rear end replaced. I can happily say I am no longer having issues with the overheating. I imagine the rear end was causing some resistance. | | |
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