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From what I've been told, I don't know if its true or not, but the 03 6.0 PCMs only work with 03s 6.0 on stock motors. For some reason it was just that year thats not interchangeable. I dont know if its true or not, but its what I was told.
Why 6.0 intake. Arent all the 03+ truck intakes the same? Besides the 8.1
DANIEL CAMMED SS 13.46 @ 98.17-- 8.58 @ 80.31
2003 Silverado SS / LQ9 6.0L / Wheatley 93 Octane Tune / 224/228 .581 .588 110lsa / Patriot Gold Dual Springs / Comp Hardened Push Rods / Circle D 3800 stall / Pacesetter LT's / 4:10 Gears / Transgo HD-2 Shift Kit / K & N Cold Air Intake / Corvette Servo / Aeroforce Interceptor / Autometer Narrorband(Wideband on the way) / Mobile 1 Synthetic / Single Chamber Flows with X Pipe / Cats Delete with Cutouts

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