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Originally Posted by HRthirty1
hello all ,
i have nearly got this rb25 det working properley in my hr31 however when i am driving it gets to about 4500 rpm then tries to boost but nothing happens. the engine does not go faster,does not gain rpm and sounds as if all the boost is just being dumped through the wastegate or blow off valve.
i have been told that this is due to the MAP sensor not functioning and i dont even think i have 1 wired into the ECU. i have purchased a MAP sensor but dont know how to install it can anyone help me with info or diagrams?
i would really love to get some enjoyment from my car finally.
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cheers mmcleo11 , your advise was right on the money.
there was 2 spots where the air was geting to the turbo after the sensor these have been blocked now.
there was also a little gold pipe ontop of the motor which has now been blocked ,is this for the boost guage hose?
A mate of mine also blocked the hoses running to the blow off as it wasnt working properly.
my car is now running very well and im very happy this little sleeper skyline has some real potential ,thank again