Originally Posted By BobR
All we EVER use is Torco.


Torco is a GL-6*, and is sold by Mark Williams. It is supposed to be really good for high shock applications. I know guys using Torco in really high abuse applications and swear by it.

*The GL-6 rating is inactive and has been for 25 years. But there are gear oils still marketed as meeting the spec, even though it can't be tested for it.

If the results don't match the theory, change the theory.