Underground Motorsports 1998 RB26DET 240SX
Borg Warner 74mm Turbo at 18 PSI on E85 Pump Fuel.
During the dyno runs, we found out one of the ...
Borg Warner 74mm Turbo at 18 PSI on E85 Pump Fuel.
During the dyno runs, we found out one of the two Walbro 255lph Fuel Pumps had died, which should explain the lean AFR's at the higher RPM's.
Two new pumps have been installed, and look for 25 PSI dyno videos soon.
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