Built to Spec – Borla’s new racing exhaust systems for Miatas raise the bar...
It seems a bit curious at first why Borla would decide to build an entire exhaust system for one class of race car. The...
Bushing Science
We all know what suspension bushings do. But beyond replacing stock rubber bushings with polyurethane models, what is the science behind these parts? What...
Under The Gun: A Father-Son Duo Install a Cage In a Spec MX-5 Challenge...
With the racing season’s start less than two months away, Wyatt Couch and his father Dave were starting to sweat. The warm glow of...
Construction Zone – Installing Custom Roll Cage and an Aluminum Containment Seat in a...
With just more than three weeks to go till the first points race of the season, I dropped off the donor car at Blackbird...
Bracing a Miata Differential
If you want to be competitive in Spec Miata, you need the 4.30:1 Torsen or Mazda Motorsports differential. Most racers simply find a factory...
Pulling Less Power – New test equipment uncovers excess horsepower loss in power steering...
We’d all like to enjoy the benefits of power steering, but with none of the weight or horsepower draw, right? Since that’s not possible,...
Preventing Low-Speed Pre-Ignition in Turbocharged, Direct-Injection Engines
Turbocharging and direct injection have ushered in new levels of power and fuel economy from smaller engines, and cars equipped with that technology have...
Geometric Concerns – Getting the Most out of Your Racing Suspension Alignment
If you can make the tires happy, you will automatically make the driver happy. Aiming all four tires in the right directions will optimize...
How to Build a Spec3 From a Donor
In the interest of furthering renewed interest in Spec3, the series leader and series director put together a constructors guide for those interested in...
Installing a Clutch and Light Flywheel in a 2.5-Swap MX-5
Installing a new clutch while you swap a tired old engine out of the car is a good idea. It’s one of those “while...
RACE COVERAGE
