Ford Mustang Forum - View Single Post - MT-82 Transmission Additive Update
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post #79 of (permalink) Old 09-13-2013
UnleashedBeast's Avatar
Joined: May 2010
Location: Pensacola
Posts: 186
XL-18 is a friction modifier, much like XL-3 for the differential. If you've ever heard the 8.8" without XL-3 in it, you'd understand XL-3's quieting/smoothing properties. The formulation was likely changed from XL-3 to work in the MT82. Heck, it may even be the same stuff in a different labeled bottle, just so customers wouldn't ask why they are using differential friction modifier in their transmission.

What color is XL-18? Does it look dark blueish/green?

Originally Posted by txcharlie View Post
Weird......On the Amsoil webpage, there are no product recommendations for the Mt-82 in the 11+ Mustang GT. They list products for the Auto trans.
Amsoil removed all MT82 recommendations from their website soon as customers starting having trouble with the transmission. Knowing it's mechanical failure, Amsoil wanted no part of it.

2009 Shelby GT500
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