Originally posted by emartinez13:
Well, i've always been told that if you have alot of miles on your car to use a heavier weight oil. I've always used 20w-50 in other brands of oil and 15w-50 in a mobil 1 since I have 135,XXX miles. Is this wrong thinking?


Thats what us old dudes did with our Dodge Slant Sixs. I believe it is wise to follow Fords recomondation on oil weight.

2012 Lotus Evora --------- 95 Mystique MTX - GONE 395,000 Kms --------- Both Zetecs '97 Contour Mtx - stock - GONE