While an engine compression tester may not be the most common tool in a mechanic's garage, they can be very useful, ...

With every passing day the Mule provides opportunities beyond our original expectations. Since the 467ci engine belongs to HPP editor Tom DeMauro, it is at our beck and call. This affords HPP the ...

The engines that power our cars — even the smallest ones — are extremely heavy. While smaller engines like four-cylinders and V6s can weigh between 200 and 450 pounds, larger motors like heavy-duty ...

Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now, Porsche has ...