I know that there has been numerous posts about the gm synchromesh product but I just drained out my old tranny fluid gm synchromesh and I can tell you that it is thin as water looks to thin I am switching to BG synchroshift ( I have a bg supplier and can get this stuff for cheap if anyone is interested) I am using a spoon magnetic drain bolt plug for the tranny and it pulled a lot of metal shavings out of the fluid. I think that synchromesh is to thin a gear oil for daily use it will wear you re tranny out fast -- I will update peps about the bg product... It is yellow metal synchro safe thus the name and is made for modern transmissions -- I will see if this performs as well as the synchrmesh product

 

i've been using syncromesh for over a year now no problems at all!