Fuel injection is used in most modern cars and engines, especially those that use gasoline as their fuel source.
The basic operating rpm range for a camshaft is its "sweet spot." This range is where the engine will produce the most Torque and Horsepower. How is it measured? The rpm range is determined by the camshaft manufacturer. The listed range is a result of testing the camshaft on a dyno with different combinations of engine parts. Many [...]
In this article you will learn about measuring and adjusting lift. This came from our friends Summit Racing. When someone refers to lift, they could be talking about 2 different things. Valve Lift When talking about camshafts and lift, people usually mean valve lift. This is the distance the valve actually moves. It is also called "gross lift." All camshaft manufacturers [...]
Duration is how long the valve is off its seat. It is listed in degrees of crankshaft rotation. When someone refers to a "big cam," they mean it has longer duration, not higher Lift.Manufacturers often list 2 different duration values: Advertised Duration is the degrees of crankshaft rotation that the lifter is raised more than [...]
I found this article on MotorSport Magazine, and thought I should share it with you. It was written by Preston Lerner. It covers some of the history of GTLM (Generalized Two-Layer Model) racing and some examples of GT, which stands for Gran Turismo, or grand touring cars.GTLM RacingWhen the first GTLM race was run at Daytona in 2014 during [...]
When it comes to driveshafts for racers and their machines, Fast Shafts is the undisputed industry leader in speed and reliability, and officials from the USRA are honored to announce the return of Fast Shafts as the Official Driveshaft of the USRA in 2022.Headquartered in Des Moines, Iowa, Fast Shafts has been producing driveshafts for [...]