Automakers strive to produce the highest-performing engines that meet their budget goals. That often means the performance gains from porting and polishing intake (and exhaust) ports aren't ...

Since the days of relieving flathead Fords, we've known about the advantage of porting. Grind those critical passages with the right touch, and airflow through the engine improves-and with more air ...

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 ...

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 ...

Narrator: I know what you're thinking. No, this is not one of those viral slime videos. You're looking at a process called extrude honing. But what exactly is it? Gary Kubo: Extrude honing is a ...

We may receive a commission on purchases made from links. Automakers strive to produce the highest-performing engines that meet their budget goals. That often means the performance gains from porting ...