Diesel engines are popular these days due to their unflinching willingness to handle high towing capacities and deliver lots of torque from low revs. In truck applications, a healthy amount of low-end ...

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 ...

If you've ever ridden a mountain bike, you'll know that the lower gears help you get up to speed more easily. Conversely, the higher gears help you go faster overall, maintaining that speed. It's the ...