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 ...

Extra displacement and a compression bump really wakes up this LS7 engine build. LS7s make great LS-swap mills, but what if 427 cubic inches just isn't enough displacement for you? Well then, what you ...

As the axiom goes, building horsepower is just a matter of pushing more air through an engine. While true enough on the surface, it doesn’t take into account the different ways in which that power can ...

Will joined the TopSpeed team over two and a half years ago, bringing his lifelong automotive passion, writing experience, and editorial expertise along with him. Whether classic or modern, American ...

Martin holds a B.A. in English and Creative Writing. Working full-time as an Avionics Technician on fighter jets, he travels using a variety of vehicles, to include: a Camaro ZL1, F-150 FX4, Jeep ...

There's an old saying among car buffs that "there's no replacement for displacement." Nowadays, that's not exactly true. Forced induction such as superchargers and turbochargers has replaced sheer ...