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 ...

We may receive a commission on purchases made from links. I have been working on my own vehicles for almost 40 years and in that time have accumulated a sizable collection of tools. The bulk of them ...

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 ...

When it comes to building an LS-based engine, there are a ton of ways to go about it. The first thing you need to ask yourself is how you want to use it. If hard handling is in your future, then ...

Formula 1's five power unit manufacturers are set to vote on a proposed tweak to how engine compression ratios are measured, which could come into force over the summer break. The 2026 power unit ...