Quote:
Originally Posted by acammer
Let us know what you find - but I'll bet that's by design. It's become a fairly common practice to lock the converter on the back half of the track once to make up some of the efficiency lost with a torque converter. It's usually worth a couple MPH.
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Yep it was the converter locking up. So the tune has been changed ...went with the tuner for a wot pull and its just fine. He reduced some more tq management and it seems to have a little more grunt down low.