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Old 07-03-2012, 09:41 AM   #1057
Drives: CTS-V Coupe and GT500
Join Date: Nov 2011
Location: Indiana
Posts: 189
Would a stage 2 negate the road course ability of the car. Seems heat soak is a problem already for one of the vendors. A ZL1 PP pack may need alot more than tune and pulley and CAI. Looks like major cooling upgrades may be needed (heat exchanger/intercooler, pump, radiator, TSTAT, tune to turn it all on earlier) and possible a remap of PTM software and MRC 3 to account for 80-90 more horse plus they have to make money and account for warranty issues that arrise. For a dealer to install all of those parts and the cost of the above this stage 2 to be done right will be 8-10k imop. Thoughts?
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