I Have a great deal on a 2011 GT500 and have to unload this. Car has 72k miles, made 605rwhp on 18psi, there are two problems which I am working to correct, first the CCRM is going bad which triggers a soft P1233 code. and replacement will be in on monday also bad fuel hat gasket which leaks...
Okay installed whipple 2.3 and the car is only making 10psi of boost with the 3.5 upper and 4lb lower, it should be making 17psi. What could be the problem? The eaton made 15psi on the same lower and 2.93 upper.
Whipple 3.25 (sold) and 3.00" Pulley, $62.05 shipped each, also paypal fee is already included in the price. 3.00 Pulley is still installed, waiting for 3.5 pulley in the mail to switch them out
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