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hi all

installed my Apexi EL2 Mech boost gauge into my Hr31 skyline with a Rb20det engine in it...

i t pieced it off the FPR(fuel Pressure Reg) line and the Inlet manifold line...

no when its idling idels at about -0.6bar and when full boost comes on about 0.6 bar.. now i have a stock boost gauge in the dash that reads -.7 and +7 boost and at full boost on that usually goes around 5pounds according to the stock gauge.. now my question is should the vaccuum be like this and if im correct im running 8 Pounds stock boost on my Silver top Rb20det?? could i be losing vacuum somewhere to be showing these readings??

any help would be appreciated

cheers all

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