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...
LS-Swapping a Ligier LMP3 Prototype
A C6 ZR1 isn’t an ideal beginner’s car, and NASA Mid-Atlantic driver Clayton Eley would admit as much. “I was probably getting in over...
Prepping a Nissan Z for ST4 Competition
If the popular models from BMW and Honda represent the proven path for the pragmatic, Nissan’s venerable 350Z might be the pick for the...
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...
How to Choose a Clutch for Street, Track Days, Time Trial and Racing
The process of taking a production car and converting it for use in racing or high-performance street driving, or perhaps something that can do...
Building a Privateer GT3 Nissan 370Z
Back in 2018, Valkyrie Autosport’s 370Z wasn’t quite ready for ES. It was still stuck in E0, where it had demonstrated dominant pace on...
HPDE46: Replacing a Driveshaft Coupler
The moment you buy an older BMW, you must become familiar with a lexicon that includes such terms as DISA valve, DME, Bi-Xenon, SAP,...
