1991 Formula Dyno Diagnosis Fuel Pressure Regulator
Even though the preliminary fuel-pressure test checked out, we'd need to monitor it during a full-throttle pull through the gears to make sure the pump could handle maximum draw. In anticipation of the upcoming chassis dyno session, we ordered a fuel-pressure regulator from BBK as a means of tuning the wide-open throttle air/fuel ratio. The BBK kit includes the billet aluminum housing and a fresh set of gaskets, since the upper intake plenum has to come off for the install.
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