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To preheat or not to Perheat with the Duramax
Posted to Technical Discussion Forum on 2/19/2007 4 Replies

Hi

I have coustemer who has an 2007 GMC 1ton with the Duramax. And what he wuold like to do is to preheat his construction motors by pluging in the coolent. He is using an JohnDeer low salicin antafreez in his motors. WILL HE BE RUNNING into big trouble by s... Login to read more.

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