Posted by Chris Case [108.162.215.96] on Tuesday, July 19, 2016 at 19:55:24 :
In Reply to: tests on 124 oils and Prolong posted by Gary [162.158.68.113] on Tuesday, July 19, 2016 at 15:15:41 :
I thought your post might be actual longevity test, like a taxi fleet.
I sure wish UPS would publish a book. They keep track. Hmmmm what gas engines does UPS use?
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