Worked awesome in my R-150. Got rid of all the notchiness when it was cold.
Have you ever run any synthetic blend gear oil for comparison?
I know the Redline is a great product, I'm just not convinced, at this point, it was worth $10+ per quart when the blend was about $5. My reason for taking it out wasn't because I was unhappy with it, I just want to eliminate the leak and I suspect the transmission is where it originates.
