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jhjones

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Posts posted by jhjones

  1. Boost control is done by the link using a mac valve.

    If there was a leaky diaphragm wouldn't i hear it leaking out the port on the mac valve when i pressurized the intercooler pipping. Same with a leak in the vacuum/pressure hose except i would hear it leaking from the hose.

    In the high gears boost shoots up the 15psi then slowly creeps to 18psi. Normal?

  2. Hey, got this problem, I'm not getting full boost (18psi) in first gear, only getting 15psi. When I switch it to low boost (15psi) I only get around 12psi in first gear. I can hear the screamer pipe from around 9 psi on the high boost setting.

    The wastegate spring is 1 Bar, Ive pressurized the intercooler piping up to 24psi and there are no leaks.

    I can't remember if it was like this when I got the car tuned as I don't really drive the car.

    Mods:

    RB25DET Neo

    GTX3071R

    Link G4

    50mm Turbosmart wastegate

    6Boost low mount twinscroll Manifold

  3. So I did a track day on Sunday and on the 3rd session on the cool down lap my brake pedal went to the floor. I bleed the front calipers and pedal became good. Went back out and on the cool down lap the pedal went to the floor again. This happened 3 times.

    Car is R32 GTST, R33 GTS25T brake calipers, Nulon Xtreme Super Dot 4 Brake fluid, Endless MX72 Brake Pads.

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