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oil pump std n1 rb25

  1. General
    Hi I see many change ther oilpump to some better like N1. But do i need that if the car dont run more then 7500 RPM and it just go on streets, not very hard driving! :) Im planning high power, 600whp. Why people change it? Can not the STD pump pump oil enough for the engine? Or is it just at...