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View Full Version : 98 5.7 Vortec Scan and Tune files



dltullis
August 20th, 2011, 06:50 AM
Dave here, new to this and need help diagnosing power loss on my truck.
Does anyone have the stock Tune files for the 98 5.7 Vortec L31?

justafarmtruck
January 4th, 2012, 09:57 AM
Here is the stock tune you were asking for12499