In the previous two installments of Modern Mouse, our latest Super Chevy dyno mule, we subjected the little 5.3L LS to a whole slew of aftermarket components, including ported cylinder heads, a ...

LS engine swaps are all the range, and while there is certainly a case to be made for the power potential of a solid LS-based small-block, the need for complicated electronic fuel injection scares ...

There is nothing like a big nitrous backfire to destroy a perfectly good test motor. This happened after the Internet nitrous guys insisted we subject an LS motor to the same treatment given our ...

If you are looking for a LS-series engine to build, the Vortec-series 5.3L is arguably the best choice for the dollar. The 5.3L debuted in 1999 as the base engine for the Silverado and Sierra truck ...