At what point will the stock ECU not be enough? and a standalone ECU must be used? Like when you have a HUGH turbo very high flow injectors, ignition ect...
or can the stock ECU be able to handle all the MODS you can do to the engine?
Great site has a lot of info. I am converting a 89 MKIII that is a auto nonturbo car to a 5-speed turbo car for my stepson, when and if he gets all the money to do it.
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