G Gary Allan Joined Sep 28, 2002 Messages 39,799 Jul 30, 2007 #21 FordEXXP ..even motorhomes with the big modular spec 5w-20 ..use it ..don't use it ...it won't matter much. If you did a bunch of short trip stuff, you may be able to see the difference at the pump.
FordEXXP ..even motorhomes with the big modular spec 5w-20 ..use it ..don't use it ...it won't matter much. If you did a bunch of short trip stuff, you may be able to see the difference at the pump.