General Motors' active fuel management system is an ingenious piece of engineering. Here's what it does, how it works, and why some hate it.

QUESTIONI'm in the process of transplanting an L77 from a 2012 Caprice 9C1 PPV [police pursuit vehicle] along with its 6L80E [six-speed, longitudinally mounted electronic automatic overdrive ...

OK, so you checked off the option box for the 6L80E automatic when ordering up your new fifth-gen. Unlike your buddies in the local Camaro club that insist on shifting manually, after an evening of ...

LS swaps all the rage these days. It doesn’t matter whether it’s a street rod, a muscle car, or a 4x4. GM LS engines are finding their way under the hoods of everything. They’re plentiful, reliable as ...