RB25DET hose questions

[Tenchuu]

well i have a question for all you RB25 guys ou tthere. I am sitting here on my install connecting hoses but need some help on these hoses:

Hose set 1: (Red on the big pic)
http://i2.photobucket.com/albums/y19/Tenchuuk/IMG_1930.jpg

Hose set 2: (yellow on the big pic)
http://i2.photobucket.com/albums/y19/Tenchuuk/IMG_1929.jpg

here is an overview of where they are on the RB:
http://i2.photobucket.com/albums/y19/Tenchuuk/RBoverhose.jpg


any help would be awesome, since no place that i have found (here, NICO,Racebread, RB25DET.org, google ect..) seems to come up with an answer over a week.

[SYKORB26]

The hoses in the red area are to the vac. canister. These are not needed and can be plugged off. In the yellow area, the only hose you really need to worry about is the bigger one going to the actuator (swing valve wastegate). This one needs to go to the nipple on the coldpipe (anywhere between the turbo compressor and throttle body). From what I can tell from your pictures, the smaller hoses may be going to the factory pressure control solenoid valve. This is not needed and rarely hooked up.

PM me with your email address and I'll try sending you a vacuum diagram for the engine.

Gary Narusawa

[R33GTS-T]

yes i can confirm that the smaller hose in the yellow section goes to the factory boost solenoid...as Gary stated it is rarely hooked up and you don't need to worry bout it, so long as you're running an aftermarket boost controller of some sort

Late,
Daniel

[Tenchuu]

and i don't plan on haveing a boost controller for a bit.
so i may need to look into that second one i guess.

[R33GTS-T]

you can just run the car off the stock wastegate settings

the factory boost solenoid limits boost to .5 bar until 4500rpm @ WOT and then it runs the turbo at .7 bar....what a lot of guys do is ground out that solenoid and just always run .7 bar

[Tenchuu]

I got another fun little friend i am trying to figure out what it is:
http://i2.photobucket.com/albums/y19/Tenchuuk/IMG_1948.jpg

N/M i found out about it: it is the fuel pressure dampener, helps to cut pulsations in the fuel lines and is Not terribly necessary