I know TTP will do a tune if you bring them the software on a laptop. Will get pricey pretty quick that way and I think you will be best off if you do the PCM swap with a mail order for now. No down time, tune will be close, and price will be the cheapest.
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97 T/A Ram Air Convt
Forever dyno queen / 777rwhp 662 rwtq @ 17lbs / 10.2 @ 140
'24 Corvette Z06
'17 Sierra 2500HD Dmax
'17 Lex LS460
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