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Re: Thin 5W-20 vs thick 5W-20
Posted to Industry Issues Forum on 2/9/2011 2 Replies

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These are a gimic to justify a higher price for a lower quality product.

long life or high mileage?

Prior to ILSAC GF-5, API did not have a very good elastomer or seal conditioning requirement. S... Login to read more.

2 Replies Received (View Replies)