Ultimately Versatuner's ability is not to tune an engine, but to tune the ECU software. So it comes down to what ECU do you actually have now in your car Once that is done you can start from the factory 2.0MZR tune. Basically both 2.0MZR and 2.3MZR are almost identical... both PI, both the same set...

Hello all, I've looked around on this site trying to find information for a non turbo 2.3 Map. I've installed a 2010 Mazda 5 2.3 engine in my 2006 NC Miata that originally had a 2.0 Mzr. The car starts and runs great but I will be endurance racing so want to be sure the engine is running optimal. I ...