multi viscosity motor oil

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04-03-2004, 08:41 AM

KH0302

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multi viscosity motor oil

What kind of earl you run? I know, the book says Merc recommends single grade blah blah, I filled up with Valvoline 20/50 full synthetic racing oil. What I've noticed already is less smoke/vapor coming from the crank vents in the valve covers.

Thoughts?

04-03-2004, 11:34 AM

BAD-HABIT

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15-50 Mobil 1
BH

04-03-2004, 11:42 AM

KH0302

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You're talking about the MX4T, right? I used to run it in my turbo Hayabusa, killer for a hi perf bike motor.

04-03-2004, 02:06 PM

Downtown42

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Valvoline racing 40...

04-03-2004, 05:50 PM

stevejohns

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15 50 MOBIL ONE

04-03-2004, 10:56 PM

Steve_H

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Quote:

Originally posted by Downtown42
Valvoline racing 40...

me too.

04-03-2004, 11:54 PM

25 Eagle

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Mobil 1 15W50

04-04-2004, 05:25 PM

mcollinstn

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If you use conventional oils, use a straight weight.

A synthetic will be listed as a multigrade, but they are still a "straight weight" for the most part.