grumpin Posted March 27, 2023 Share Posted March 27, 2023 Dane, same with Darth, I had no idea that the "super cooling" was on him, maybe Gary can dig into his treasure trove of information and see exactly what parts were different. I do know that when I was pulling the 5th wheel in hot weather and traffic on US 301/MD 4 SE of Washington DC, the fan would sound like one of NASA Langley's wind tunnels until I got up to around 35-40 mph and would then taper off. Interesting on the fan noise, I thought the 94 F250 with a 460 I owned had a bad fan clutch because I was told how noisy they were. It worked but was quieter than the 86 I used to own. One guy described them as a B17 propeller. First time it was real warm I heard that fan! And like you said, up to 35-40 MPH and it would quiet down. I assumed the super cooling had a bigger radiator. Link to comment Share on other sites More sharing options...
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