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4L60-E OR 4L-80E DEPENDING ON THE SIZE OF TRUCK

4L60E HAS 16 PAN BOLTS 4L80E HAS 17 PAN BOLTS

NEW ANSWER: If it is a 1/2 ton then it MUST have a 1996 or 1997 4L60E put in it. NO OTHER YEARS WILL WORK.

If it is a 3/4 ton then it MUST have the 4L80E put in it and NO other years will work.

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13y ago

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