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

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 ...

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 ...

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