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Old 08-16-2007, 10:50 AM
Mark in MD Mark in MD is offline
LawnSite Senior Member
Join Date: Apr 2007
Location: Montgomery County, Maryland
Posts: 322
Originally Posted by rpauls View Post
Why is there no synthetic 30W?

I'm not sure, but I think it would a contradiction of terms. 30W I believe is by definition a straight oil with a viscosity of 30. My guess is they have not figured out how to make a synthetic that behaves EXACTLY like straight oil. I mean, if they did, from that maybe we could then make man-made gasoline, and to hell with the middle east.
*** Cutting since 1972 ***
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