Why my 4th gear sometimes doesn't engage well. I was using redline mt-90 no problem with 2,3 but 4th sometime grind. Now I'm usin BG syncroshift still having the problem. Any suggestion???????
Thanks

 

I use the Perrin short shifter with different bushings. I use penzoil synthetic tranny fluid. Mine shifts great.

 

yeah, mine does the same crap, it grinds bad into second when im in the high RPMs...i have the perrin short shifter, but i had it a t the lowest level, i thought that might have caused it, but i raised it and still same problem....my bushing probably need to be changed and the oil as well....i think that you also need to do the same