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12-27-2007, 09:13 AM

you only need the LT4 knock module if your planning on modding the car. id go with the PCMFORLESS tune, hyper tech is good if your changing gears or tire sizes but thats about it

12-27-2007, 09:13 AM	#2
JerzLT1 Guest Posts: n/a	you only need the LT4 knock module if your planning on modding the car. id go with the PCMFORLESS tune, hyper tech is good if your changing gears or tire sizes but thats about it