Josh (JSPerformance) tuned my L98 which was just bolt ons. PCMForLess (mail order) tuned my LT1 with a CC306 cam among other things, car runs great. I was happy with both.
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1989 IROC-Z 355 LT1 T56 Swapped
2016 Chevy Colorado LT 3.6 v6
2008 Jeep Grand Cherokee Laredo 4.7L RIP 12/29/2016
1998 Honda CBR 600F3
2003 Yamaha FX140
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