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I have a 454 in a 1993 Chev Silverado 4X4 I have replaced the radiator, the heater core, the theromostsat (numerous times), flushed thouroughly and the engine still overheats. I have it in check but when i two my 30 foot fifth wheel up any kind of an incline up it gores and droplets of water fall into the passenger side of the cab. It smells like hot water everewhere and eventually red lines and overheats. Any ideas on what to try next ?
I have a 454 in a 1993 Chev Silverado 4X4 I have replaced the radiator, the heater core, the theromostsat (numerous times), flushed thouroughly and the engine still overheats. I have it in check but when i two my 30 foot fifth wheel up any kind of an incline up it gores and droplets of water fall into the passenger side of the cab. It smells like hot water everewhere and eventually red lines and overheats. Any ideas on what to try next ?
Replacing clutch fan and checking ignition advance curve first steps. I'm concerned about the "droplets of water fall into the passenger side of the cab", sounds like a leak at the heater core or hoses attached to it.
Your fan should start to roar at around 210 degrees. If not, the clutch is gone. Use only the genuine Chevy part. Mucho dinero, but worth it.
Consider putting on or enlarging the engine oil cooler. Can't keep oil cold enough. Oil also carries a very large amount of heat away form cylinders. Also, WIX makes a 2 quart filter for the 454. No. 51794. Will give you better and more cooling area.