96 Caprice with LT1, built 4l60e, H/C, 4.10's, 58mmtb, headers, Daaco 2500 stall, 95 obI pcm swap so we can run datamaster and tunecat.
When viewing datamaster, the engine data shows o% tps, but the trans data does not match. The result is surging when in gear.
What could cause the differences in tps % values from the engine to the trans? I have the datamaster umi file that I can email to anyone who can help he diagnoise this problem.