I've never had a problem bud, my tuner has never had a problem tuning me, my AFR is always right where it's supposed to be. It's easy to tune too. They even took my Ls1 28lb injectors up to 65lbs for my 4th gen no problem. Drive ability is ok for it being a stroker and big cam.
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2001 ws6, 40k miles, Ls3 416 stroker, short block built by PER the rest by me. LPE Ls3 heads milled to 12-1 comp, FAST 102, NW 102, kooks 2", dual DMH cutouts, Magnaflow C/B, BTR cam + springs. Full UMI suspension.
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