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does anyone know how much output of the HR is hindered by the stock factory tuning of the car? i mean, is it putting out as much as the fairladies in japan or what?
OBD2 and wideband sensors allow the programming to get closer and closer to optimum each year obviously just enough safety to make sure the majority get thru the 70k warranty under mildly abusive conditions.
Years ago one could count on 300,000 miles if you changed the oil frequently but there was a 15-20% reserve in the mid 90's software.