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 ...

Taking an engine compression test is sort of like checking your car's blood pressure. It's a quick and painless procedure ...

‘It’s a big difference’ — Collins questions whether the FIA test reflects real engine heat.

As you may know, an engine's compression ratio is directly linked to its combustion efficiency. All else being equal, higher-compression engines tend to make more power while offering better fuel ...

The World's First Production-Ready Variable Compression Engine Infiniti's has developed the first variable compression ratio engine which will ever be used in a production vehicle. The compression ...

Apart from the very curious, not many people ask why diesel engines, compared to gasoline, run higher compression ratios. The argument is reasonably straightforward and starts with fuel ...