I usually run Royal Purple ATF in my trans....not the synchromesh royal purple because it wasn't out when I did my syn swap. I noticed the trans was easier to shift and with my hurst, the gear meshing noise got a little quieter. The good thing about running syn is it runs cooler....and a cool gear is a happy long lasting gear.
Now I'm running standard dino oil atf...idk the mercon level at all. lol.
Last edited by Fx4wannabe01; 10-08-2010 at 12:17 PM.
Reason: brain fart!