Up until recently, we only had half the equation to work with regarding the heads. With VVEL tuning in it's infancy, and these cams, this is truly a ground breaking time for the VHR's. Getting your heads done @ GTM is like icing on the cake. I won't doubt that within a year, UPrev will be including an upcharge for VVEL tuning on top of their normal etuning services.
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Old Car:GTM TSC'd 550whp / 410lbft tq @ 11.88PSI
New Car: Under Construction
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