You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an ...

UK price (as reviewed): £28.58 inc VAT US price (as reviewed): $40.75 inc VAT Compression fittings are one of those advances in technology that you wonder how you ever did without. In fact you might ...

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 ...

The purpose of your engine is to compress fuel and air and then ignite it, creating heat energy that then makes mechanical motion. If your engine can't compress the air and fuel properly, the engine ...

TEST RUN: Rehau’s James Mullady (left), vice president of sales, U.S. and Canada, and John Bittenbender (middle), engineering manager, assist Erin Holohan Haskell (right), president, HeatingHelp.com, ...

While we like to think of 2002 as being part of a high-tech age, our beloved internal combustion engine hasn't really changed much in the last 50 years. We're still using pushrods and overhead valves, ...

For more than a century now, automotive engineers have struggled with an unavoidable balancing act when it comes to engine compression. Now, thanks to an innovation from Infiniti, they may get to ...

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 ...

Honda might be looking back to early aeronautics in its latest bid to make variable compression engines simpler and sturdier. The engine is designed to take advantage of the simple crank design of ...