Installing the New Spec E30 Ground Control Coilover Kit
I enjoy upgrades to anything. Some of the most rewarding experiences were the little details that just pulled the whole package together, the icing...
Reducing Rotating Mass – Lightweight Flywheels and Clutches Unleash More Power
Flywheels are necessary on piston engines because they preserve the momentum from one combustion stroke to the next. Early engines were so inefficient they...
Swapping a 2.5-liter Into an NC Chassis MX-5
There are lots of resources on the web about what it takes to perform a 2.5 swap in an NC chassis MX-5, and even...
Spec E30 Adopts a New Ground Control Spring Package
My first exposure to Spec E30 came in 2007 when I was asked to be race director at the Championships event in Mid-Ohio. There...
Top Tips for Building A Spec E46 Roll Cage
It might be overstating the obvious to say that a roll cage in a racecar is the last line of defense in a big...
Weight Transfer – the C5 Corvette Already Has Good Weight Distribution, and Here’s How...
While walking the pits at an IMSA race at Sonoma Raceway, NASA Utah racer George Smith noticed something about the pro-built Corvettes that was...
Connecting Rod Physics
Certainly one of the most critical components inside an engine is one of the most stressed. Connecting rods take the power from the combustion...
Head and Neck Restraints: Similarities and Differences
These days every major sanctioning body mandates the use of a head and neck restraint (HNR) to protect drivers from injuries to the head...
Leaning the Mixture – Installing an adjustable fuel pressure regulator and an air-fuel ratio...
Horsepower doesn’t come cheaply or easily in Spec Miata. Sometimes it doesn’t come at all. First, the engines are tiny, measuring either 1.6 or...
Smart and Safe HPDE Seatbelt Options
For you folks who enjoy NASA HPDE events, you may have found yourself deep in a corner, flying through the apex and feeling the...