If you just can't wait for the hybrid all-wheel-drive Corvette ZR1X to arrive and need more power than the stock ZR1 makes—a mere 1064 horsepower—then a new ECM upgrade from HP Tuners may be in your ...
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Mastering gear ratios for Pontiac GTO performance
From vintage muscle to modern tuning, getting your Pontiac GTO’s gear ratio right can transform its personality. The right setup balances acceleration, cruising comfort, and fuel efficiency. With ...
After years of being locked down by GM’s Global B electronics, the Corvette Z06 and ZR1 engine control modules have been cracked by HP Tuners, opening the door to full calibration, diagnostics, and ...
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