Originally Posted by johndeerefarmer
I think the a/c uses about 7.5 hp so yes it would make some difference with any vehicle.
even at 7.5 hp that is but a mere .017% of my 435RWHP(closer to 500@engine).A numerical drag for sure but in the grand scheme a totally insignificant portion of diesel usage.....
I used to really fret when I had a bad day of pulling the trailer and only avg 10mpg....
anymore I don't care...I leave it running with ac and rear tv on for my daughter at all stops..its just a few bucks and we are supposed to be relaxing and enjoying yhis whole camping thing...lol