Amsoil ATF, Ford 4R100

OVERKILL

$100 Site Donor 2021
Joined
Apr 28, 2008
Messages
47,139
Location
Ontario, Canada
Anybody run this fluid in the 4R100? Thoughts? A three-litre dump and fill was performed a few months back with M1 ATF, but just curious as to anybody trying the Amsoil stuff in this tranny and their thoughts.
 
Joined
Oct 26, 2008
Messages
1,124
Location
Northern, NY
I have been running the AMSOIL ATF in our 2003 Navigator for the last year. I immediately noticed an improvement in shift quality and have been very pleased with performance. It also cured an odd "shudder" that would occur when the transmission would shift into overdrive at a particular speed and engine load.
 
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