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Old 05-29-2021, 02:04 PM   #3
MaxD
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Join Date: Dec 2011
Location: SLC
Posts: 209
For a car driven on the street there is no reason for an aftermarket ECU.

Aftermarket ecu = No OBD-II in a 95+ car = no registration.

If the car is Off-road only - Real race ecus like Motec, Cosworth, etc. Serious money will be spent tuning the ecu for reasonable drivability. Reasonable drivability for a racecar is quite different from a street car.

Manufactures have the money to tune their cars to run well on the street. Most of us don't.

It all depends how much time and/or money you have + if you want a project that may never end.
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