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0503htp Ls6 08 Z

Fig. 3 After PCM recalibrations to suit the changed characteristics produced by the headers, the mid and top end power (black curve) went up by some 25hp.
GM's LS6 Z06 Crate Motor - Corvette Crate Motor Curves

 Fig. 3 After PCM recalibrations to suit the changed characteristics produced by the headers, the mid and top end power (black curve) went up by some 25hp.  View Related Article

 

 

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