The same properties that made titanium the metal of choice for nuclear submarines and high-altitude spy planes during the Cold War also make titanium an ideal material for engine valves. Depending on its alloy, titanium is 45 percent lighter than steel and twice as strong as 6061-T6 aluminum. Replacing steel valves with titanium is simply »» more...

Although it’s been several years since Reher-Morrison Racing Engines last competed full-time in NHRA Pro Stock competition, I still follow the category with interest. The fact that we have expanded our engine business with customers competing in classes ranging from Pro Mod and Top Sportsman to tractor pulls and 400 mph Bonneville land speed racers »» more...

It’s an article of faith among racers that there is “free” horsepower to be found in an engine’s oiling system. Reducing windage and cutting frictional losses can indeed improve engine performance. Unfortunately, the unintended consequences of these horsepower-enhancing techniques can be a loss of reliability, followed by a big repair bill.

The most powerful oil »» more...