Kwik

iTrader: (10)

Hello,
I'm after a little advice as to where the vacuum pipework from boost solenoid goes to turbo/wastegate etc. After many hours googling and searching on here I think I'm more confused than when I started.
I keep reading about a restrictor pill and T piece between turbo/wastegate but mine definately did not have this when i removed the pipework.
I took pictures of just about everything but must have missed this out

My car is a V4 1998 Type R.
Any help would be appreciated (there seems to be a lot of unanswered threads just like this when you search on here?).

piehole1983

iTrader: (7)

You must have a 3 port solenoid then matey!

Have a look at this:

Kwik

iTrader: (10)

Thanks for that, I found that last night although it looks different to my setup. I couldn't find any pictures of a V4 set up anywhere.

Kwik

iTrader: (10)

Here's a picture I found before it was taken apart...(with added numbers lol)

piehole1983

iTrader: (7)

Yip, that's a 3 port you have.

Pipe 1 - Turbo compressor housing
Pipe 2 - wastegate actuator
Pipe 3 - main intake pipe before turbo inlet
Pipe 4 - Not sure, I'll look at mine later!

jayallen

iTrader: (31)

The car should have a 2 port not a 3 port......Can't say Ive ever seen a 3 port with a port on the left....Strange.

Kwik

iTrader: (10)

That wouldn't be the only strange thing Jay, I'm 99% sure the blocked off pipe shown should be going to the recirc?

jayallen

iTrader: (31)

It probably does, the recirc needs a vacuum....

jayallen

iTrader: (31)

Number 4 also goes to the inlet, its the pipe for the map sensor from what I can see.

piehole1983

iTrader: (7)

3 port is a popular upgrade for better boost control. Leave it in there.

jayallen

iTrader: (31)

Yes, but you just can't go fitting a 3 port and expect the ecu to control the boost in the same way....

piehole1983

iTrader: (7)

Certainly, but that would lead you to think that the car might already have been modified to suit.

piehole1983

iTrader: (7)

The pipe you have labelled no.4 isn't on my car. There's nothing teed between my map sensor and the other solenoid. Has someone installed a boost gauge from that point? Mine is a 2 port setup and looks to be the same bracket/hardware as yours apart from you having the 3 port now.

Don Clark

OEM setup for WRX-RA.........





http://opposedforces.com/parts/impre...llustration_1/

jayallen

iTrader: (31)

Again yes, if running an aftermarket ecu which i dont think he is.....are you Kwik?

Kwik

iTrader: (10)

Ecu is standard, solenoid is as it was when I bought the car. JGM iirc said some v4 have 3 ports but it wouldn't surprise me if it was fitted as an after thought.
Te tee piece is going off to the boost gauge in the interior.