Originally Posted by bchannell
The oil question is the same as always, use what you like and it'll be fine. Is Redline good oil? You bet it is! Is it needed? Absolutely not. There are plenty of oils that will work and you'll never know the difference. So, as always, use what you want and can afford. If you want to try it just for the heck of it, go for it.
Now, having said that, the one thing I can tell you from first hand experience is with their manual trans fluid. I have a Tacoma 5 speed and if you've ever read anything about them or drove one they shift like crap. It was so bad that I was seriously thinking of getting rid of a fine truck. Online suggestions were to try Redline MT fluid. So I did, and that was three or so years ago, it now shifts like butter. I was nothing short of amazed at the difference. I just couldn't believe that fluid could make such a difference, but it did, so there are measureable differences in gear oil.
Exact same story with me but with a Maxima 6 speed, and it was Amsoil 75w90 gear GL4 oil which made a world of difference to the shifting quality.