Indeed, the tests we conductedwith an as-delivered GMPP LS7 crate engine on a Super Flow 901 dyno atThompson Racing Engines in Redford, Michigan, generated 546 hp at 6,100rpm and 514 lb-ft of torque ...

Lucky us! We happened to get our paws on a crate Hemi-and the green light to run it to within an inch of its life on the dyno. Even better, we had a chance to bolt on a selection of go-fast goodies to ...