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...
The Science Behind Trackside Support
Hawk Performance has a responsibility to its clients. Whether it’s an IMSA team or a group of Spec E30 racers, the obligation to its...
Maintaining Fire Systems For Proper Operation
A lot of car-fire videos have been racing across the internet lately. In the case of a drift car at HyperFest and a Toyota...
Project Spec E46: Rear Suspension and Other Details
Before reassembling the rear subframe on a Spec E46, you must weld in a rear subframe reinforcement kit. I sourced mine from Condor Speed...
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...
Replacing a Miata Fuel Pump Sock
We all have read time and again that oil is the lifeblood of an engine, but without fuel, the engine doesn’t run, and if...
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...
Project Spec E46: Rear Subframe, Differential and Fuel Tank
With the cage freshly in the car and the car up on jack stands for the first of a thousand times, it’s starting to...
Beating Exhaust Heat
The factory downpipe from the manifold on NA and NB Mazda Miatas is wrapped with shielding and packed with insulation to keep the heat...
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...
