Originally Posted By: mrsilv04
I just dumped some Amsoil MCF 10w-40 out of a 2002 Goldwing with 60,000 miles. Oil had almost 7,000 miles on it.
Oil had several hard (up to the rev limiter) passes through Deal's Gap on it, plus a bunch of spirited riding in Western NC, as well as two full days of very hard riding in southern Indiana on it.
I kept a nice sample from the middle of the dump. I should send it in as well.
MCF is the one oil that I keep going back to, over and over.
Please post the results if you have it tested, I'd really like to see how it performed in your setup.