tym2burn

Hey everyone just joined up! I was wondering if any knows the fuel pressure a rb25dett should be running! Or what everyone else is running? I have just installed a rising rate fpreg on mine!

mmcleo11

You should be running around 44psi with the vacuum port disconnected.

__________________
N14 Pulsar
VQ35 conversion with major N/A upgrades, 6 spd FWD manual HLSD
18" Rims, big brake kit, Coil overs and freshly painted

Smashed Black VY SS Ute
The workhorse...
Twin turbo 5.7L LS1
Boyd Coddington 19" Turbine Wheels
AP Racing 4 Piston Brakes
Tein Coil over Suspension
HKS EVC 6 Boost Controller
PLX Devices DM-200 OBDII
Custom Front Mount Intercooler

tym2burn

Vacum port disconnected? What's the advantages of that?

mmcleo11

The little vacuum hose that goes to the inlet manifold, it needs to be disconnected when setting fuel pressure, as manifold vacuum will alter the fuel pressure. Hence why a rising rate fuel pressure regulator actually works, as boost increases, it increases fuel pressure.

Set the fuel pressure to 44psi with the port disconnected, once you set it, reconnect the vacuum port and it will be safe to drive.

Also, have you upgraded your fuel pump yet, as the stock pump does not like excessive fuel pressure.

__________________
N14 Pulsar
VQ35 conversion with major N/A upgrades, 6 spd FWD manual HLSD
18" Rims, big brake kit, Coil overs and freshly painted

Smashed Black VY SS Ute
The workhorse...
Twin turbo 5.7L LS1
Boyd Coddington 19" Turbine Wheels
AP Racing 4 Piston Brakes
Tein Coil over Suspension
HKS EVC 6 Boost Controller
PLX Devices DM-200 OBDII
Custom Front Mount Intercooler

tym2burn

Thankz For The Info! A Great Help Cheerz