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 MAX Performance Package is built with an LS7 Cylinder Head, which lets us run a smaller combustion chamber, with additional piston to valve clearance, and still run a lot of camshaft. This seems to be the perfect combination.

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 build.

This first test build made 542rwhp, and we’ve just started working on the next build #2!

2 thoughts on “Chapter 2: Engine Dyno of the MAX Performance Package

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      gwatneyperformance says:

      The price does not include installation. It includes the cost of the GPI MAX Performance LS7 Cylinder Heads w/ BTR Titanium Springs, GPI MAX Performance Camshaft, LS7 Intake Manifold, 1.8 Ratio Rocker Arms, Fuel Rails, and all necessary gaskets, bolts, and seals for DIY’er.

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