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International Automotive Technicians Network
Re: How do you rate your new engine oil ?
Posted to Technical Discussion Forum on 6/21/2006 31 Replies

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Hi Lance,

It's tough to both "follow GM service information" and "inadvertantly blunder" at the same time, but if you read the product info for the 10W-40, 5W-50 and 20W-50 on the page you linked it... Login to read more.

31 Replies Received (View Replies)