Inside Snell Foundation’s Helmet Validation Testing
Right now, as you read this, at a small laboratory outside Sacramento, Calif., a technician is very likely dropping heavy things onto a helmet,...
HPDE46 Replacing the Slave Cylinder Hose and Clutch Delay Valve
In stock form, the E46 BMW with a manual transmission has what’s called a clutch delay valve, which is essentially a step-down fitting in...
Invisible Shield – Military-grade film protects paint from chips and scratches
In race conditions, cars are going to take a beating. From gritty track events to the aptly-named NASA “Sandblast Rally,” it might be wise...
Head Case – The NASA rulebook on Spec Miata cylinder head modifications is clear...
Here’s the reality in Spec Miata. The days of finding a cheap donor car with 100,000 miles on the clock, adding the required safety...
Rocket Science – Achieving Better Engine Cooling With Proper Aerodynamic Principles
Keeping a C5 Corvette cool on a racetrack in 100-degree heat isn’t easy. Just ask NASA Utah’s George Smith, who had been trying different...
Budget Build: Honda Challenge Part 2 – Safety, Safety, Safety
When building a racecar, you have to make the thing safe before you can make it fast. The major difference between the car you...
Proper Brake Cooling Is Essential for Safety and Lower Lap Times
A photograph of glowing orange brake rotors blazing away through fast-spinning spokes is truly an awesome sight. That is, unless the car in the...
Setting the Standard
Engineers at the SFI Foundation are good at breaking things — and, as a result, racing drivers across the world are safer because of...
Installing Miata Hood Vents
The Mazda has a grille opening large enough and placed properly enough to pull in a lot of air through the radiator. They even...
Brake Fluid Basics – Understanding the Fine Points Can Help You Select the Best...
Racing is all about speed. Well, it is for a little while anyway. Then, because somebody decided to put a corner right in the...
