General Discussion
I’m swapping a stock power, early 1st gen 6BT and an NV4500 into a 1998 Chevy K2500. I’ll be running the Cummins mechanical fan. The truck currently has a 350/4l80e with towing package. I don’t do any towing but I do live in Texas (very hot).
Is there a general rule of thumb for surface area or...