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That would depend on what kind of racing you do. I'm pretty sure Spec Miata requires you to run a stock ECU. And it's literally the most popular racing series o
by olyjohn 5y ago
That would depend on what kind of racing you do. I'm pretty sure Spec Miata requires you to run a stock ECU. And it's literally the most popular racing series on the planet.
- BoorishBears 5y agoThe most modern iteration of Spec Miata (Spec MX-5) get an upgraded ECU: https://www.mazdamotorsports.com/2019/02/07/a-better-faster-better-sounding-mx-5-cup-car/ https://www.mazdamotorsports.com/2019/02/07/a-better-faster-... And Spec Miata is a pretty terrible example anyways... at the point where you're dumping 10k into a $500 motor I don't think you can talk about stock anything...