When I put in the 75w90NS I couldn't shift w/out getting a grind. Went to the shockproof and it went away.bvondran said:Per Redline Oil , 75w90 has friction additives for limited slips and 75w90NS is for manual trannies. This is my setup, and it is pretty sweet!
I use this combo as well and I'm very pleased with it.bvondran said:Per Redline Oil , 75w90 has friction additives for limited slips and 75w90NS is for manual trannies. This is my setup, and it is pretty sweet!