posi track
 

i used some poster putty to lock my spare diff to get some more power down and am going to test it on my new skyrsx. seems pretty cool so far...

i locked both diff.s on my supra and its DYNOMYTE! awesome for drifting

what part do u lock or put stuff into?

nevermind ... ha i guess i should have looked in my xmod ... the answer was there!

can you tell us n e ways? i dont know where to put the putty.. lol I WANT A DAMN LSD!!!! :p

How to make an LSD
 

If you unscrew your differential gear, you will see a round gear resting on three cone shaped gears. Take the round gear out, put in the putty, and put the round gear back on. Screw it back together, and it should work. Or, you could just spring for an AWD kit and use that one.