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Hey guys. I'm looking for some help on this please. The car usually runs around the 23 psi mark with no problems. It's like one day it was fine then took it out again and now it runs at a perfect 16 psi. Nothing unusual happened while driving either. The car still runs fine but at 16 instead of 23. Nothing was touched on the car or adjusted. I have taken it out a few more times since then and every time the same thing, 16 psi? Boost is controlled via a gizzmo ebc. The only thing I have tried is that I checked and re checked all joiners and clamps. I even changed a couple of silicone joiners that I felt may be suspect but still the same. Any help would be appreciated. Thanks.

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Is it an internal or external gate setup? it could be running gate pressure if the EBC isn't working? Mine does that when it plays up....

It's running internal gate setup. I did think that the ebc may not be working but I can still hear the solenoid working its little heart out, so I assumed it should be working but I could be wrong.

Unplug the boost controller and see if it still boosts at 16 and feels the same.

If it does still boost at 16 then chances are your controller is not working so borrow a mates controller and test it.

Sounds like its just running off the gate rather then the controller

  • 2 weeks later...

Turns out it was the EBC. After initially receiving a dodgy solinoid when I first bought the Gizzmo and now this, I have ordered a V2 turbotech. You've had two chances Gizzmo, now you can get stuffed.

At higher boost levels every psi is important so if your gunna go in the cheap with a manual valve make sure it's setup 100% as you don't want to lunch your motor by going cheap with boost control.....

In saying that I spent fkn heaps on a HKS controller and have issues so that kinda stuffs up my point a bit :/

Hi Mat. I've tried quite a few different manual controllers and I must say when these turbotech products came along, tried one and was amazed. I've currently whacked the original version back on for now so hopefully the V2 is even better. As for going the cheap I don't believe going cheap on the skyline it's just a bonus it's that price. They could of charged triple the price and I would still buy it.

I had the V1 and it was OK, it did tend to bleed off boost though... In saying that, they are a good bang for buck controller, have you got boost cuts etc setup in your ECU? Just for safety?

Mines setup so if the boost controller or gate fail for some reason it'll dump fuel in, pull timing out and then if I haven't backed off it will boost cut... So it's pretty safe ;)

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