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98 e7 350 runs warm on long pull


kimmel1

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i have a 98 rd688s with an e7 350 replaced t-stat, fan clutch, oil cooler and radiator cooked out and rebuilt.

removed water pump looked ok the truck runs 180 but when loaded on a long pull it gets hot but has never overheated is this normal for macks or do i have a problem? any help would be greatly appreciated thanks

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You running across 68 and 70? 200 should be it or good. if you got a manual fan override I would flip it on at the bottom, Now mind you it will rob power but I just hate having the fan on,off,on,off. There are some good pulls that way

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