Backdraft book says use 20w50 oil

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#19 (permalink)

07-18-2014, 07:04 AM

cbreez

CC Member

Join Date: May 2005

Posts: 379

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Quote:

Originally Posted by Bxx1

It has a VI index of 185. Most true synthetic oils have a VI above 165. Generally, the higher the VI the higher quality synthetic oil.

Oh really, explain why??? Are you a chemist? What does VI mean to you? So more is better, eh?

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