Understood.
My 05 gets hot when towing with minimal air movement. I bypassed the heat exchanger when installing the coolant bypass. Overall coolant temp dropped, but trans heats up a little more. I think a large Derale cooler with fan should fix the problem. Don’t see a tube heat sink working for my application.
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Nick J
'14 Silverado LTZ 5.3 4wd
'05 Cummins QCSB 4wd 48re
'91 Cummins w350 5spd
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