what kind of oil????

Shaolin Crane said:

Yes i'm very aware of the power of a rare earth magnet. We built many 1300cc stroker cbr1000's, 13:1 compression, blah blah blah. And we didnt use synthetic. Not one of them blew. And we ran straight 10w Valvoline oil in it. Added a little Zinc and they ran happy all day long even in the temps of Pahrump. 2010 Conventional Oil> 2010 Synthetic Oil

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I never said conventional oil will grenade an otherwise solid engine. The simple fact that a quality synthetic does everything a conventional oil does, but better in every way. No need for zinc or any of those other additives if you buy the proper oil in the first place. The guys who are paid to design the oil have taken care of that ahead of time. Shell Rotella Synthetic is perfect for non-catalyzed engines.

DucatiRdr said:

I never said conventional oil will grenade an otherwise solid engine. The simple fact that a quality synthetic does everything a conventional oil does...

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Exactly, but conventional oil is cheaper, i add Zinc for peace of mind, doesnt mean you have to.

7upstang91 said:

Not Royal Purple.

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??? and i have also heard amsoil is awesome

ViperPunk said:

??? and i have also heard amsoil is awesome

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A comment like this always interests me. What does that mean, exactly? Does anyone ever say an oil is crap? What's the difference? Without a lab analysis there is no way to tell.

That being said, I have nothing against Amsoil. They do make an awesome oil filter that has been tested to clean the oil to better than it comes out of the bottle...oil engineer's words, not mine.