When introduced for the '05 model year, the C6 received the evolutionary Gen IV LS2 powerplant, which carried ratings of 400 horsepower and 400 lb-ft of torque. While the new engine's cylinder heads ...

Chevrolet calls it TPI. Ford calls it EFI. Irrespective of the label, the latest generation of V8 fuelinjection systems combines electronic fuel control with long, sweeping manifold runners. In all ...

A stock LS3 rec-port intake manifold is hard to beat and only costs $299. When Chevy went back to the drawing board after the success of the cathedral-port Gen III LS1 small-block V-8, it realized ...

Cylinder head porting is one of those garage mods that lives somewhere between speed-shop legend and flow-bench science. Also referred to as port and polish, the idea is simple: Open up the intake and ...

Choosing the right combination is critical in building an efficient engine combination. The old clich that bigger is better has been thrown around over and over, and by now, everyone knows that a big ...