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Originally Posted by sp00ln
There's a question mark on the water tank if you cant see it  But if thats the FPR (Fuel Pressure Regulator), then there is a pressure source that is attached to that that comes off of the intake manifold. So, yes, you can probably use one of those three lines (if it is the FPR).
The Legacy GT engine looks like the impreza engine if you ask me - it just has a bunch of black plastic shit on it. |
No, those three lines are the fuel lines. All three have gasoline in them. Having taken them off and gotten soaked in fuel before, I'm sure of it.
(Kids, follow the instructions, disconnect the fuel pump and run the car till it burns off all the fuel in the lines before disassembling!)
The manifold pressure line that runs to the FPR isn't visible in that picture, it comes up from under/behind the FPR in that picture.
On the LGT, if you take off the IC cowl and find the blow off valve, you can tap for boost there I believe. It should look just like the BOV on that picture of the WRX, just in a different location. I think that's where Nick and I tapped for his boost gauge.