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Re: GM Truck 5.7 idle surge in gear
Posted to Technical Discussion Forum on 5/2/2002 1 Reply

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Yes it is a 2500 series. According to the TSB, the production code is MT1 for the 4L80E which I have, and I have been questioned in the forum and help request with people telling me I have a 4L60E. Wh... Login to read more.

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