Quote:
Originally Posted by oil pan 4
I was reading my cummins manual today and apperantly cummins recomends that when operating at +20'F or less to locate your intake inside the engine enclosure.
Also to use grill shutters below 32'F and a winter front below 0'F.
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Our Macks at work say under hood air at -12C and winterfronts at -18C I believe.