Is the output pressure adjustable on the Cosworth  Duratec dry sump oil system(YD8107 ) , wth the high volume pump ? Externally adjustable ?
 Pump is internal in the special pan.
 I am running 70 psi idle pressure  with oil hot ( 10W30 synthetic ) and about 110psi at 4000 RPM. Have verified gauge , replaced filters ( very clean ) and am down to the pump output.
Everything seems normal except pressure is higher than needed.
 Anyone used this system ?

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