While an engine compression tester may not be the most common tool in a mechanic's garage, they can be very useful, ...

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 ...

Increasing an engine’s compression ratio is a proven way of unlocking extra horsepower, but there’s a point of diminishing returns. The team at Garage 54, the Russian mechanics who built a V16 using ...

Since 2013, Hyundai Motor India has utilised Cold Bed Engine Testing to enhance engine accuracy and cut emissions Credit: Hyundai Motor India. Hyundai Motor India (HMIL) says it has achieved a ...

Hypersonic developer Hermeus has begun testing a proprietary pre-cooler engine technology that will be a critical feature of the company’s ultra-fast Quarterhorse aircraft. Pre-cooling refers to the ...

Over the past year, we assembled two very mild small-blocks aimed at the typical hot-rodder looking for a solid street engine built on a budget. Once both engines were assembled, HOT ROD editor John ...