This video revisits the Lamborghini Espada Series 2 after a full engine rebuild and explores how it performs against the ...

When it comes to rotary swaps, we’re most accustomed to seeing Mazda’s 13B Wankel engine dropped into cars for its compact size and great power output. However, Mazda isn’t the only company that built ...

Your old, reliable engine has been coughing up some strange, but concerning noises. So, you call your mechanic to find out what the problem and solution are to restoring its harmonious hum. But the ...

For a solid 15-year run from 1971 until 1984, the Carter ThermoQuad (TQ) was ubiquitous on Mopar four-barrel V-8 engines. Really an evolution of the long line of Carter four-barrels, the TQ was a ...

A 1992 Oldsmobile Achieva SCX Coupe W41 with just 29,000 miles on the clock when it was photographed back in 2012. W41 2.3L Quad 4 engines were available in the 1991 Olds Cutlass Calais and 1992 to ...

Arguably the single most important component in any car is its engine. The engine is what makes something an "automobile," after all — that is, able to move itself. However, engines are also usually ...