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Old 10-20-2010, 10:03 PM   #7
AusTx68
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Join Date: Nov 2008
Location: Italy
Posts: 1,278
Re: 700r4 Overheating

I once read it can occur which is why I suspected it was happening. If I allow my engine to idle it will not overheat. If I rev to 2500 rpms and hold it while parked, it will not overheat. If I hit the road with a warm engine and cold transmission it takes longer to overheat. But after the first occurance it happens again within 5 miles of driving.

If it's not the tranny then I have no clue. All the engine components check out good. I have no heater core, no leaks and coolant level is good. At one point I wondered if my lower hose is colapsing. When I had the coolant flushed it collapsed quite a bit. Shouldn't there be a spring inside to prevent that from happening? That hose is the only thing I did not replace during my build!
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'87 R2500 LWB 454 TBI converted to Carb

Last edited by AusTx68; 10-20-2010 at 10:12 PM.
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