Ok my question is on a 97 f150 4.6 with the auto 4r70w transmission can I use mobile atf d/m oil With a friction modifer? It says for applications that use Ford mercon. Reason I ask is bc 1 I can get as much as I want for free from the shop I work at Compared to 6 bucks a quart. 2 reading up on it I've seen mixed reviews but some saying change to mercon v. Just wondering if it would be ok to use.
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