The resulting numbers are absolutely astonishing: 825 horsepower and 8,300 rpm with a hydraulic roller camshaft, factory GM cylinder head castings, and a production LS7 aluminum block. That's nearly ...

In the hierarchy of the LS engine family, one designation stands above the rest: LS7. We know the LS9 makes more power and (numerically speaking) was two better than the seven, but it took forced ...