Here is a build log for all of the modifications that I’ve installed on my 1990 Miata.
Next to be Installed
9 Lives Racing Medium Downforce Package – Wang, Dam, & Splitter w/ aero ramps.
Kraken Low Mount Turbo Kit – Low mount for better downpipe routing. Pulsar G25-550 turbo with intercooler, full exhaust, injectors, etc.
Engine Mods
Megasquirt 3x – Follow this: https://trubokitty.com/#/ms3xassembly
I soldered this kit myself, allowing me to do sequential injection, coil on plug in the future, and switch to a MAP sensor for future turbo.
AEM X series Wideband O2 – prepping for the turbo.
Flyin’ Miata Variable TPS adapter – full TPS data in Megasquirt should be much better for idle and part throttle.
Supermaita Qmax Coolant Reroute – I was having heating issues and knew that this would long term be a great solution for track use.
Supermiata Crossflow Radiator – A high quality radiator. My temps are typically in the 190 or so range no matter what.
G Racing Short Shifter – The best shifter I have found for the NA / NB Miata.
Flowmaster Muffler w/ Custom Exhaust – Not too loud, decent routing.
Ebay Header – Holding the spot until the turbo manifold arrives.
Suspension / Handling Mods
Function and Form Type 2 Coilovers – These came with the car and I’m happy enough with them for now, but plan on upgrading to Xida’s at some point.
Flyin Miata Frame Rails and Butterfly Braces – This was a surprising upgrade, it stiffened the chassis significantly.
15×8 Konig Hexaform – These look great, are light weight, and a nice price point.
Continental ExtremeContact 205/50-15 – Happy with these tires so far after one track day and a few thousand miles of around town driving. They seem to overheat late in the track sessions.
Goodwin Racing Big Brake Front (Willwood) – Incredible stopping power and easy to swap pads.
Sport Calipers on Rear – Larger rear rotors to better match the front brakes.
Willwood 1″ Master Cylinder – This MC significantly improved the brake pedal feel in the car.
Willwood Brake Bias Adjuster – Necessary to dial in the balance between the front and rear.
Power Steering Removal – Removed the PS and de-powered the rack. Great road feel and less engine bay clutter / parasitic drag.
V8 Roadster Master Cylinder Brace – This eliminates any firewall flex at the master cylinder.
Exterior / Styling Mods
J-Spec Performance Sideskirts – love the look and price point of these. They stopped a decent amount of wind noise after install as well.
Ebay front Lip – Looks okay, will be replacing with 9 lives Dam + splitter.
Miatacage Tow Hooks – Red hooks for the track!
7″ LED Headlights – Massive improvement over the stock headlamps.
LRB Full Aero Undertray – This made a huge difference with stability at speed. It also stopped my hood from buffeting in the wind on highways and the track.
Interior Mods
Hard Dog M2 Rollbar – Fits with the hard top and has a great harness bar.
Sparco Sprint Seats – Comfortable enough and really hold you tight in the corners.
PLM Low Side mount Seat Rails – I switched to this for the driver seat so I could pass the broomstick test at 6′ 2″. The lowest I could find without modifying the floor pan.
Takata Drift 2 Harnesses – 4 point with anti-submarine
Sparco Steering Wheel – Alcantra looks good and feels nice in the hand. I’ll probably replace it with a flat bottom for more leg room.
NRG Quick Release – It releases, quickly.
Flyin’ Miata Door Bushings – less door clank/flex.
Flyin’ Miata Pedal Kit – for the heal toe goodness.
Jass Performance Hardtop Brackets – way less noise and flex.
Hall Roadster Parts Frankenstein bolt delete kit – even more strength for the hard top.. harder to steal as well.
“Every day that I can work on my Miata, drive my Miata, or even think about my Miata is a good day.”
— Dylan Howell, Only Miata
