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Administrator
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18,143 Posts
You don’t have to change the wiring just add a few wires and move some. It’s not that hard to do but not the easiest if you don’t have experience doing something like that. There is a thread on here all about it somewhere forgot the name though.
 

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David
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2,248 Posts
You can tune an 03 with a cam. It takes the right tuner, but it can be done. You can't use a monster cam though. Contact Jay Greene. Has has custom grind cams and tunes that work very well in 03's.
 
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