Castrol Syntech 10w30 Fram filter.
:bash: Fram filters can blow out. And 10w I would lean away from.Mach1USMC said:Castrol Syntech 10w30 Fram filter.
scotmach said::bash: Fram filters can blow out. And 10w I would lean away from.
ponygt65 said:Actually, Rp was tested by my tuner, same car, same day, and it gained 6 RWHP...off of oil alone. He tested the RP (gain), M1 and motorcraft. As for why change it? simple, Ford is not going to spend the extra dough on better oil, when a 'synthetic blend' is good enough. I mean, your question is like asking if full synth. is better than blend......obviously full is better, so why not change it? Dont' you want the best for your car?