Yet another trans fluid thread

Mercutio

SCCoA Member
I've searched on this, but is there any reason not to use Mobil1 synthetic ATF plus a bottle of friction modifier when I re-install my M5R2?
 
I've searched on this, but is there any reason not to use Mobil1 synthetic ATF plus a bottle of friction modifier when I re-install my M5R2?

I tried it, and it didn't shift well.

I've used Syncromesh for ~100,000 miles.

YMMV ;)
 
I went with valvaline max life atf and friction modifier tonight and couldnt believe how much better the trans felt. im sure synchro mesh is great stuff as well but 20 bucks a qt?
 
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