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 ...

An engine loophole in the 2026 regulations has been the subject of recent meetings ...

Other F1 teams have raised concerns about Mercedes and Red Bull finding an engine loophole - a topic that is set to remain in ...

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 ...

The FIA will reportedly hold a second early-week meeting with technical experts, with the engine compression ratio debate set ...

Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they can survive that punishment starts with how fiercely they squeeze the air ...