One of the easiest ways to test an engine's health is by checking its compression. Testing compression isn't something the average muscle car owner would do every year, but it is a useful tool to ...

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 ...

A technical loophole involving thermal expansion has triggered accusations, secret letters to the FIA, and a war of words ...

Few people outside of Mazda's RE research department know more about rotary-powered Mazdas than Jim Mederer, co-founder and chief engineer at Racing Beat. Founded in 1971 by Mederer and Ryusuke Oku, ...

Swapping out the old, tired, or broken engine in your car can be useful if you're looking to keep a classic car running or if you're looking for more power. And for a long time in the Japanese ...

Even without knowing the car's purpose or the owner's M.O., it's hard to miss the styling preferences of a Japanese Honda enthusiast in Ryan Der's '99 Civic DX hatch. The San Francisco native and UC ...

Engine knocking can be an annoying issue to deal with, and it can even cause damage to your car. Here's why it might happen, ...

An interesting patent has been filed by Toyota for an engine with variable compression. The patent is for an engine with variable length connecting rods. The connecting rod features two hydraulic ...