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With our testing complete, we spent some time comparing the L99 to the LS3. Shown above, you can see precisely why GM has decided to invest in VVT technology. The L99-equipped with the Mast Motorsports Stage I package has lower compression and a smaller camshaft than the Stage I LS3, but made more torque and horsepower all the way to 5,100 rpm. View Related Article
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