The terms Rat and Mouse have been used by enthusiasts to refer to Chevy's big- and small-block engines for decades. But, there is growing use of GM's LS engine family in the rodding world, and that ...

Summit Racing Equipment sent us one of its 6.0L bare blocks a while ago, tasking us to scrutinize it as the basis for a performance build, and more recently, Trick Flow Specialties shipped us its ...

General Motors began using LS V8 engines in its muscle car lineup in 1997 with the introduction of the 5.7-liter LS1, the first of its third-generation small block design. That first iteration, used ...