![]() ![]() In the 00's and early teens the tuners were the piggyback style that would alter the pulse width and duration of the injector signal to give more fuel. Not sure I'll ever see that though.Ĭlick to expand.Actually tuning in the Harley world went in the opposite direction. I dream of the day we will shove a usb stick (like flashing a tv) in a connector and it will load a csv file containing the mappings (or write back out why it was rejected, like non-monotonic or unsafe values). with a steep entry cost I think, unless the info I found is old style. ![]() So, doing it yourself is an admirable idea. ![]() The investment is high for the seller and the return takes time. So essentially the client pay for data to be installed and the research time. Considering that the cost of an ecu component is 200+ it is a not a good offer to provide one to clients. The mapping becomes a precious secret practically copyrighted. There is much tuning and you can guess there is a lot dyno time for a top quality map. Every throttle position (a collection of ranges) and rpms (another collection of ranges) maps to an injector opened-closed cycle, iirc. The other side of it, the one trying to make a business of it, is not designing a mapping out of guesswork. (I'm not advertising, it's just a search result) Chances are that in the future maybe a good soul will write opensource for it, but the cost of the physical interface will likely jump up, because there is money to make from flashing ecus. It involves some equipment obviously to connect to the physical interface with a computer, and a software which is likely not free either. ![]()
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