3 ms·
The 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-c
by BoorishBears 5y ago
The 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...