by KTA » Sat Oct 29, 2011 6:28 am
My comment would be your engine starts better and wears less if you leave the grid heater on. It also is not really a restriction anyways. I can't even measure a .1psi drop across one on a 400hp 50psi truck. The stock intercooler and the airhorn are way more restrictive than the heater.
Fleet of Junk: 1989 D350 627rwhp 1300 tq B-1/Hx60 twins, KTA pump/injectors, ported head, BIG fuel supply. 13.75@ 109.5mph 1/4: 1992 W350 Cab-chasis, 1993 W350 ext cab cust.370 inj Hx40/16cm 290rwhp hydroboost brakes,1984 D350 crew-cab another project.