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 ...

Formula 1's governing body the FIA says the series' power unit manufacturers have unanimously approved changes to how engine compression ratios are measured, with revisions coming as early as 1 June.

You've probably heard racers talking about leakdown testing as a method of verifying engine condition. Being a hot rodder, you've probably performed a similar function by using a compression tester to ...

Formula 1’s governing body, the FIA, has unveiled a package of regulatory updates ahead of the 2026 season, responding to ongoing technical scrutiny over power units and broader efforts to refine race ...

Compression in a diesel engine is essential for effective and efficient performance. And when compression is lacking, damage can result. That’s why it’s imperative to know whether your engine’s ...

A computer generated power stroke of an internal combustion engine, following ignition - Pathompong Thongsan/Getty Images When comparing engine specs for nearly any combustion engine automobile, we ...

Bernie Collins, the former McLaren and Aston Martin figure turned Sky F1 pundit, highlighted a discrepancy between the upcoming hot compression ratio test, and actual engine temperatures. The new ‘hot ...