Hummm, I have heard all of the test results Amsoil claim come from a lab they own.
I use Mobil 1 they seem to be more straightforward and have come out on top in test done by American Iron. Switch over at 500 miles and not one problem, over 9000 miles on the bike so far.
Dave
I use Mobil 1 they seem to be more straightforward and have come out on top in test done by American Iron. Switch over at 500 miles and not one problem, over 9000 miles on the bike so far.
Dave