Greddy Profec B Spec 2 On Gtr

[joeleo87]

i just bought a GTR and ill be pulling my EBC out of my GTSt to pu it into my GTR.

im not sure how to do it though.

there is 2 actuators for 2 turbos, so do i use a Y joiner to hook them both up to the solenoid? also im not sure where to hook it up to the FPR.

has any1 done it before? can you link pics?

cheers

[joeleo87]

So no1 with a GTR has installed a Greddy profec B spec II boost controller?

[GeeTR]

The manual for your piece of equipment is always a good place to start.

[joeleo87]

isnt there 2 wastegates tho? all the diagrams are to suit 1 wastegate.

[Duncan]

yeah its pretty easy assuming you have the standard piping under the plenum.

the pressure source for the new solenoid is a vacuum pipe which is at the rear of the plenum (underneath) hook that to the input of the solenoid. the output of the solenoid goes to one of the 2 pipes under the plenum just above the oil filter (it comes from the standard boost controller). Not sure if it is the top or the bottom one off the top of my head - you need to trace it around the motor, it is the standard line that goes to both wastegates.

when you've done that you need to block 2 points in the standard pipes - the hose that you remove from the plenum needs to be blocked, and the other line that goes to the standard boost solenoid has to be dropped too.

this is the easiest way, you can retain all the standard piping and even mount the new solenoid where the factory one normally sits.

[joeleo87]

cheers duncan!

ill see if i can source some pics of the vacum lines on the net, i dont want to block the wrong hoses

[BIT SUS]

Im about to fit the same controller to my Autech Stagea. Pics would be a great help. so far ive spent nearly 4 hours searching the net for info on how to fit one of these to a GTR.....lol

will have 2nd attempt tomorrow at fitting it!

Edited August 9, 2008 by BIT SUS

[joeleo87]

yeh its hard hey lol. unless i see some awesome pics ill be getting my mechanic to do it...

there is nothing on the net for the Greddy EBC into a gtr

[BIT SUS]

yeh its hard hey lol. unless i see some awesome pics ill be getting my mechanic to do it...

there is nothing on the net for the Greddy EBC into a gtr

you and me both man!!!!

FFS!

*takes a big deep breath

[joeleo87]

i sort of got a rough idea how to do it... just by tracing the vacum line from the wastegates of both turbos back around the plenum side of the engine but i lose sight of the line under the plenum lol....

its hopeless lol

[Duncan]

sorry my next post went missing in the forum move. the top pipe of the 2 under the plenum is the one that goes straight to the wastgates. so give it a shot joeleo87

to make sure you have it right, turn the boost controller off (ie standard boost) pull 2nd gear on some open road, when you get to about 3500rpm if it goes over 14psi its not right....just get straight off the throttle if its wrong as long as you are paying attention everything will be fine.

[joeleo87]

sorry my next post went missing in the forum move. the top pipe of the 2 under the plenum is the one that goes straight to the wastgates. so give it a shot joeleo87

to make sure you have it right, turn the boost controller off (ie standard boost) pull 2nd gear on some open road, when you get to about 3500rpm if it goes over 14psi its not right....just get straight off the throttle if its wrong as long as you are paying attention everything will be fine.

so if its the wrong hose. it will just boost right up? and no damage whats so ever?

ill give it a go tonight duncan

if it works ill make a DIY!

[Duncan]

um thats not quite what I meant.

If its wrong it will boost to eleventy billion - so if it goes past 14psi get straight off the throttle. If its wrong, and you keep your foot down you willl kill turbos and/or engine.

If its right it will stop at the right place and you will enjoy the extra boost . make sure the controller is off when you test - this will mean you only get standard 12-14psi boost

[joeleo87]

i was thinking duncan, can i just replace the stock boost solenoid with the EBC 1?

or will that just poo things? to eleventy billion?

[BIT SUS]

i was thinking duncan, can i just replace the stock boost solenoid with the EBC 1?

or will that just poo things? to eleventy billion?

where do you hook up the unit's vacuum line? it says in the guide to connect it to the fuel pressure regulator? where might i find that?

photos would be a great help right now...

im lost :S

Edited August 26, 2008 by BIT SUS

[joeleo87]

where do you hook up the unit's vacuum line? it says in the guide to connect it to the fuel pressure regulator? where might i find that?

photos would be a great help right now...

im lost :S

thats the ezy part man.

if you follow the fuel rail (where the injectors are) at the end (radiator side) you'll find the FPR, there will be a small hose coming off it going into the engine, you put the 'Y' connection

[sl33py]

Farout. I'd be taking it to a mechanic and let them do it. If you get it wrong, blowing up a GTR will be expensive!

[Guest Sinon]

The ezy way is to just replace the stock boost controler valve. Its very simple an is just as effective. I did my 32 gtr this way any had not problems.

I have also tried it with the controler mounted on the passenger suspension tower with the hoses cut in near the actuator's. It's a lot harder to do and you have to be confident with removing the top turbo pipes to gain access.....

Also as a note to all tune all the setting on the sontroler right down and slowly adjust them up...I started at about 50% on all settings and it was way to high. Start at about 5% on everything and work your way up to your desired boost setting.

[joeleo87]

cheers buddy

the boost valve is next to the fuse box hey? how do you know which hose was going to what tho? if you remove the stk valve can you just remove those cables also?

cheers

[BIT SUS]

i just installed the vacuum line to the Fuel pressure regulator. Ive got a strange feeling that my car is already running 14psi.. even without the solenoid connected up to the main unit. I hope not, cos then i will be dissapointed after my tune...

.