The thread below will answer a ton of your questions. As far as what year I am not certain of that. ECSB 4WD 4l60E to 4l80E - PerformanceTrucks.net Forums
The thread below will answer a ton of your questions. As far as what year I am not certain of that. ECSB 4WD 4l60E to 4l80E - PerformanceTrucks.net Forums
99RCSB Broke because I wasted thousands and thousands of dollars on my truck.
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