Manual Transmission Fluid Question

[BoyWonder]

I posted it in the Online Mechanic section, but figured I'd make sure a few more people saw it as well..

http://www.nissaninfiniticlub....65277

Thanks for checkin it out.

[navysnail]

gl-5 will make shifting rougher and will lower transmission life by about 50%. dont use normal synthetic, synchros need some friction to opperate. myoilshop.com sells redline MTL and MT-90, both are synthetic with frictional modifiers (good) and both are gl-4 (good)