Category: Tech

The Head Data Mega Page

Greg / May 22, 2021 / Tech, Too Soon Junior

Welcome to Car Passion's collection of cylinder head data. This page will be continuously under construction until at least July, as I'm currently working through fixing/modifying/rebuilding 3 Miata cylinder heads. The VVT head in the 420whp "VVT Beast Miata" ate up its own intake valves at about 13,000 hard miles (21,000km). This is likely due [...] Read More

NB Miata Dyno Day #2

Greg / March 14, 2021 / Tech, Too Soon Junior

Ah we meet again, AED. Another 12+ hour day on the dyno, and 51 more pulls. All in the name of science! If you missed the first dyno day, you can check that out here. Below you'll find some of the most interesting dyno overlays of the day. (Click any of the images for full [...] Read More

NB Miata Dyno Day #1

Greg / February 12, 2021 / Tech, Too Soon Junior

Baby steps. Although I was only chasing 3HP at a time through the entire day, the end result was fantastic, and this is only the beginning! Here are what I consider the most important dynos and overlays for the day, if you have any specific questions feel free to drop a comment on the YouTube [...] Read More

The ULTIMATE GUIDE To Installing An NB Cluster Into An NA Miata!

Greg / August 1, 2020 / DIY, Tech

Below you will find the links to every resource I used to compile this video, as well as the important parts and tools you may need to do something similar! I drew several different wiring diagrams based on the possible equipment in your car, and while I do my best to get everything perfect, some […]

The ULTIMATE GUIDE To Valve Lash Adjustment

Greg / November 19, 2019 / DIY, Tech

So What Is Valve Lash Anyways? It’s basically a fancy way of saying “the gap between your cam and the thing your cam hits when it swings around.” That would either be a shim, a lifter, a rocker arm, etc. In the Miata, the head is set up like this, with the the cams directly […]

The ULTIMATE Guide to DIY Turbo Miata Setups

Greg / February 13, 2019 / DIY, Tech

There is so much information out there about Miata turbo setups, and that amount has probably tripled in the last 5 years. This is great for people just jumping into the turbo scene, since we now have more options than ever!