During one of our never-ending technical discussions, Jim Grubbs at Jim Grubbs Motorsports (JGM) suggested that we take a look at the flow difference between 30- and 45-degree valve seats. While ...
The real world, where most of us except for a lucky few Winston Cup teams exist, can often be a painful place to live. Money is real and quite often difficult to come by. That fact puts a crimp on how ...
An internal combustion engine is like a big air pump, and the more air you can get it to pump, the more torque and horsepower it will make. Things like bigger camshafts, aftermarket intakes and ...