GM syncromesh

[MacGyver1979]

is anyone running GM syncromesh in their trans?
the things iv read about it makes it sound like the best thing since caned beer.
Iv ordered 4 quarts (need 3.5) Ill see how it goes.

 

[92-SR5]

I run regular royal purple. Shifts like butter.

 

[KidVermicious]

Never heard of using GM synchromesh. I swear by Redline MT90.

 

[MacGyver1979]

Iv done my homework on it and read every review I could find. People claim that it does amazing things. Not one negative review on amazon. I haven't found any info on anyone using it in a w-56. My trans is new, and I'm sure the guy that put it in used the cheapest gear oil he could find, iv got about 500 miles on it so I'll just Catt that break in time.