Jeff’s Heads & Cam C6 Z06 on the Dyno

Thanks Jeff for trusting us with your gorgeous 2008 Corvette Z06. This round of mods included: GPI LS7 Custom Grind Camshaft (242/260 .630/.630 113+4) GPI LS7 Cylinder Heads Harland Sharp Roller Rockers Lingenfelter LS7 Oil Tank Expansion Callaway Honker Intake System Kooks Long Tube Headers GPI Tall (Blue) Valve Covers GPI Duno Tuning With a […]

Introducing the GPI Track Tuned Program

We are very excited to introduce our new Track Tuned Program! Our Track Tuned Program was born out of our passion for racing, and our desire to push our customers cars to the absolute limits.  We break records when you break records.  We win when you win. Racing is all about having the competitive edge, […]

Cale Attempting a Record Standing Mile Pass in his 1200+rwhp Z06

At the Ultima Mile May 2018 event, Arkansas own – Cale Hopkins – set the Standing Mile Event Record at 223mph. This is what happened when he attempted to break his own record at the October 2018 event… C6 Z06 Build: LSX Cast Iron Block Callies Crank & Rods Diamond Pistons Procharger F1X (25psi) Brodix […]

White Motorsports – 620HP MAX Performance LS3 Powered Buggy!

Want to go for a ride in this insane 620hp off road buggy? Check out the Dirt Riot Series point leading White Motorsports buggy – packing a GPI built 416ci LS3 – topped with our GPI MAX Performance LS7 Head and Cam package.   Learn More about our MAX Performance LS7 Head and Cam Package […]

Brandon Hill’s 6th Gen Dominated the Modified Class at Camarofest 8!

Ready for some CamaroFest 8 highlights?! Kicking it off – Brandon T. Hill II in his incredibly consistant 6th Gen. He ran 10.4’s-10.5’s all weekend long in 100 degree heat, AND was the fastest car in the Modified class (outside the high dollar shop cars).   With a personal best time of 10.1 @ 134mph […]

Wild 200+ MPH Rides at The Ultima Mile 2018!!

There is no better way to prove your car, than a standing mile race! If watching 1k+rwhp cars being pushed to the absolutely limits (and sometimes beyond) is your thing – we have that in common!   We had an incredible time supporting our friends, making new friends, and helping everyone push their cars to […]

Testing and Tuning the 620hp White Motorsports Buggy

#TeamGPI is proud to welcome our newest sponsor – White Motorsports (@WhiteMotorsports4878) and the 620hp GPI powered MAX Performance LS3 w/ LS7 Top End. This competition ready Jimmy’s 4×4 Bloodline Podium R is freshly tuned, and ready for the 2018 Dirt Riot Series Season which begins March 17th in Laredo, TX. Good luck this season […]

Chapter 2: Engine Dyno of the MAX Performance Package

THE ENGINE DYNO RESULTS ARE IN! 150HP MORE THAN STOCK LS3! Here is our latest testing of the LS3 / L99 MAX Performance Head & Cam Package. We’ve taken the goodness of the LS7, and adapted it to the LS3 / L99 platforms, to create a package that is the best of both worlds! The […]

(Available Now!) The Brand New MAX Performance Head & Cam Package for LS3 / L99!!!

After many months of working in secret – we are proud to introduce the GPI MAX Performance Head & Cam Package for LS3 / L99 applications! This package is not for the faint of heart. With a huge powerband, torque down low, and an explosive LS7 top end – this is a no compromise NA […]

760 rwhp 6.2L Swapped Twin Turbo Sleeper 4WD Silverado!

This has been a very special build for us.  If you’ve ever dreamed of going absolutely crazy on a build, and making something absurdly fast that was never designed to – check this one out! Just imagine the look on that proud Z06 owners face when you demolish them from a light in an unassuming […]

2006 Chevrolet Corvette Z06 Dyno Results with GPI Heads / Cam!

The Sad Story. This Z06 came to us after a very unfortunate “high RPM event”.  We are told it was trailered all the way from Mexico to see us, but sadly – the situation was pretty bad.  The internals of the motor look to have been used in a Blendtec commercial – suffice to say, […]