I am replacing my '91 5.7L with a '89 7.4L in my 1991 V3500 with a 16147060 PCM so I am looking for a stock memcal chip to get it running with before i start messing with the 5speed swap. Thanks!
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I am replacing my '91 5.7L with a '89 7.4L in my 1991 V3500 with a 16147060 PCM so I am looking for a stock memcal chip to get it running with before i start messing with the 5speed swap. Thanks!