Tomei Powered FUEL RAIL - Manual (Page 23)

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⑤ Check for any signs of fuel leaks (2nd step).
Keep it running at 2500rpm for
3 mins and check for fuel leaks.
⑥ Set the fuel pressure by adjusting the bolt,
then secure it with the lock nut.
⑦ Check for any signs of fuel leaks (3rd step).
Set the fuel pressure on (max fuel
pressure), check for fuel leaks.
⑧ Remove the Fuel Pressure Gauge, tighten
the plug with a sealing tape.
⑨ Check the plug for any signs of fuel leaks.
REFERENCE
The specified fuel pressure values below are based on the stock RB26DETT engine.
When Ignition is ON Approx 3.0kg/cm 2
At Idle (Regulator Hose Connection) Approx 2.5kg/cm 2
When idling (Remove the regulator hose) Approx 3.0kg/cm 2
SPECIFICATIONS
Material Aluminum
Surface treatment Anodised
Flow Capacity 250cc (Stock is 190cc)
Weight 250g (Fitting Included)
Injector mounting area JECS Φ10.45mm
dimensions DENSO Φ10.90mm
Compatible Injector STD 444cc 16600 05U02
Application Examples TOMEI 444cc 195013
TOMEI 555cc 195014
TOMEI 600cc 195015
Nismo 555cc 16600 RR420
Nismo 600cc 16600 RRR60
Regulator
Adjustment
Lock