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Old 08-16-2007, 10:00 AM
rpauls rpauls is offline
LawnSite Member
Join Date: Aug 2007
Location: NW NJ
Posts: 11
Originally Posted by turfeater View Post
Question : If a multi vis oil is rated say 10w 30 does that mean it has the weight or viscosity of 10w and additives to equal 30 weight ?
and if that is true ,,then why do some engine manufactures ,,,and engine require a straight 30w? Why wouldn't a 10w 30 work ? Unless its additives don't add up !!!

And have you noticed its getting harder to find straight weight oils ?

I want to try a mobil 1 , 15w 50 synthetic in a kaw that specs for straight
30 for normal summer heat ,,,,
my understanding is if it runs cooler the less friction, and there for a longer running engine...

I also have a infared temp gauge and can check it under simular conditions
Thanks already rt

Have you tried the 15-50 mobile1 yet? What did you think? I am considering the same for my kohler which also calls for straight 30. Why is there no synthetic 30W?

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