Rick, in 98 they changed the PCM up so there are a few differences. This is why HPTuners can tune a 98 and not a 96 or 97 truck. They are close though..........
Rick, in 98 they changed the PCM up so there are a few differences. This is why HPTuners can tune a 98 and not a 96 or 97 truck. They are close though..........
97 GMC, 2002 LS6.
1991 GMC Syclone #1428
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