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Dual Stage Boost Controller Install Help

H@ME

By H@ME,
in Engines & Forced Induction

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H@ME Mentor

H@ME

Posted
Posted

Hey there guys, i have looked @ the turbosmart site for instructions on dual stage boost controll and it just different to mine. So i'll give you the info and pics i have.

It is a JJR Dual stage boost controller (as pictured)

Engine is an rb25det with aftermarket FMIC installed.

I was just wondering how this boost controller is installed!?

Here is how i think it goes. :blush:

The T-Peice goes in the pipe from the wastegate actulator to the FMIC from there another hose goes into the larger peice with boost controller written across it but where does the other fitting go?? Any help would be greatly appreciated!

Regards Hame :nyaanyaa:

post-36645-1202865657_thumb.jpg

post-36645-1202865728_thumb.jpg

H@ME Mentor

H@ME

Posted
  • Author
Posted

That's what it was advertised as. A JJR dual stage boost controller..

" UNIVERSAL BOOST Controller

TURBO BOOST CONTROLLER

IN-CABIN KIT ::

Click type knob for accurate boost adjustment.

Blue hose + hose clamps.

One way waste gate actuator T-Piece.

Mounting brackets.

Packaged in plain box.

EXCEPTIONAL QUALITY.

Gated System to bring on boost faster. "

H@ME Mentor

H@ME

Posted
  • Author
Posted

There is a knob on top of the boost controller with a + and - to turn up the boost. However i don't see a set mode as in with some of the dual stage kits that allow to to change modes with a switch etc.

Godzilla32 Veteran

Godzilla32

Posted
Posted

Its just a bleed valve so you pipe it in between your wastegate vacuum signal line and your compressor outlet or outlet pipe. Looks to be just a single stage adjustable bleed valve. What is written on the 2 fittings? Or wat are they called in the manual.

H@ME Mentor

H@ME

Posted
  • Author
Posted

A manual did not come with the kit, i agree however it is just the bleed type valve, on both peices say, arrow points towards the waste gate. i understand where the t-peice goes but no idea about the other peice with 2 nipples on it.

R34GTFOUR Mentor

R34GTFOUR

Posted
Posted

thats just a normal bleed valve , but they extend it so you can install it inside the cabin to adjust boost. A single stage has a missle switch so you can go from stock boost to what ever boost you set it at. A dual stage just allows you to have a low setting then you flick a missle switch and it goes to you high setting.

It always best to keep the vacuum hose as short as possible to help reduce boost spiking, thats why i personally dont like this type since the vacuum line has to be run all the way inside the car.

The t-peice just goes inbetween your boost source (normally a nipple off your FMIC) and the turbo actuator, the arrow should go in the direction of the actuator. Then you just run the vaccum line to your bleed valve and your done.

I personally would just mount it inside the engine bay, since its only a bleed valve and once its adjusted to the desired boost level you should really need to adjust it again, and like i said the shorter the vacuum line the better

H@ME Mentor

H@ME

Posted
  • Author
Posted

Thanks for the advice man i think i may just mount it inside the engine bay, i understand where the t-peice goes, and then it connects up to the bottom nipple but the turbo smart IC GBCV, talks about an exaust hose which connects to the top nipple, what is tis?

R34GTFOUR Mentor

R34GTFOUR

Posted
Posted (edited)
Thanks for the advice man i think i may just mount it inside the engine bay, i understand where the t-peice goes, and then it connects up to the bottom nipple but the turbo smart IC GBCV, talks about an exaust hose which connects to the top nipple, what is tis?

that exhaust hose has nothing to do with your exhaust so dont worry haha

thats the air the bleed valve is "bleeding away" in order to raise your boost. That just goes straight to atmosphere (so out in the open). Most boost controller wont have a return hose cause they are designed to be under the hood anyway and instead will only have a slight hole on the side of the controller to bleed the air. They reason why they say to connect the return hose is to reduce noise inside your car (cause it will hiss very slightly when its bleeding air), but if your going to mount it under your hood you'll never hear it over the engine, so dont bother connecting it

Edited by R34GTFOUR
WOG BOY Community Regular

WOG BOY

Posted
Posted

hey hame....its matt plant here.....good to see u got it working....i had one of these and then sold it....but i want one now.....they are a handy little device....u just end up mounting it in with the engine?

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