Category: Tech

VVT Beast’s BIGGEST Dyno Day Yet!

Greg / November 1, 2021 / Tech
Here we are once again at my second home, Advanced Engine Dynamix. This time it's with the VVT Beast Miata, which hasn't been on the dyno in 2 years. Will the engine still produce good numbers? Will the new Kraken Exhaust System flow well? But the biggest question that will be answered today, which turbo [...] Read More

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 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 […]

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