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I have had this mod done for about 4 years on my 4.7. I have had superchimps for the last year. Honestly, cutting the wire shifted better than superchimps controller. I was chirping 2nd on a 295/35/20 tire on my quad. With superchimps, it was a lumpy shift. Cut the wire and quit fucking around!
 
1 - 2 of 107 Posts