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Old 02-19-2013, 05:56 PM
Red-Stripe Red-Stripe is offline
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That's a strange chart. Shows 5w-40 to a higher temp than straight 40. Straight 40 runs longevity circles around 5w-40 at high temps. It also shows 10w-30 at a higher temp than straight 30. same thing.

Last edited by Red-Stripe; 02-19-2013 at 06:35 PM.
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