To begin, we know that both intake and exhaust systems operate with un-steady, pulsing flow. On the intake side, by comparison, this is probably more important to consider since (particularly when ...

You almost certainly know the horsepower rating or displacement of your boat’s engine. But some marine-engine manufacturers have begun marketing torque over horsepower. In a break from standard ...

Volvo's new XE13 and Eco-Torque powertrain packages will make a big difference to drivers in ways they will never know — and a few they will. What a difference a little extra engine torque makes. I ...