Quote:
Originally Posted by backpacker3
The way I see it is if I have a tune for my stock car with no mechanical upgrades it would work on all other cars of the same model with no performance upgrades if there was a way to build this myself perhaps by arduino or something similar I could then share the tune with someone else for a portion of the cost of the tune. Alternatively I wouldn't mind learning how to tune ECUs so I could do it myself then write a custom tune.
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Tunes don't work like that. You could have a basic tune, but it would not reap the full potential of each vehicle.
Even though the same model vehicle with the same engine was built to the same specs, each one is different enough that your car's specific tune could damage another car.
This is why the companies selling flash units will include a canned tune, but recommend a custom tune for your specific car to maximize the full potential.