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Help me understand why Amsoil recommends the same oil in all three holes and so many people do not follow their recommendation and put their gear lube in the tranny and another product in the primary. Is it that Amsoil dont know their own product? Just asking.
I choose Best because I happen to believe that the Amsoil engineers may know what they are talking about. They didn't recommend another product in their line as best, they recommended the MCV oil in all three holes. What am I missing here?
Just wanted to jump on the bandwagon and beat the horse some more. I converted to AMSOIL 20W50 in the Primary and Engine, but did select the severe gear 75W140 for the tranny. My 2000 Deuce 5spd tranny shifted like a 1950s 2 ton truck before converting to the AMSOIL. My shifts are so smooth now and it did not affect my fuel milage. It also reduced the overall mechanical noise associated with the tranny, primary, and cam chains. I do believe that there are other brands of oil that could do the same, but my research led me to select AMSOIL and I would not use any others. When I change out the oil it feels like I'm throwing away perfectly good oil because it is so clean. I don't think you'll regret your choice.
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