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Originally Posted by nasty
My wife has a 03 Mustang coupe w/ the v-6 motor. The owners manual calls for a 5-20 w. oil. This is only available from the dealer at an exorbitant price. I asked him what would happen if I used a good 10w-30 oil instead & he said you'd probably blow all the seals out of the motor. Was he just lying to me or has any one else used the cheaper oil w/ no ill effects?
Paul
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walmart sells 5-20 motorcrap oil (and they do not own refineries or wells)
they also at times sell pennz in 5-20
u can also get M1 0-30 which will work just as well.
update: walmart sells 5-20 from pennz, motorcraft, castrol, they sell 0-30 M1 so takes your pick.
the price was not bad, under $1.50/qt for non syn