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Location:
Armidale
Registered:
January 2003
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Re: 1jz...where do these go?
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Fri, 10 September 2004 00:20
 
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OK, 1+2 ... I reckon it would be easier to connect them up than block them off, seeing you seem to have the piping there (and these things were designed in for a reason), but, hey, it's your engine 
To help you:
The run comes out from the very front of the head, immediately behind the power steering pump and forward of the inlet to No1 cylinder. From there to Pic 1, through the intake part, out through pic 2, through a little stainless (chrome?) pipe, back to rubber, along under the middle of the plenum (thanks, 82MKII) and into the ISCV (Idle Speed Control Valve). From there, a larger rubber pipe feeds into the big stainless line that runs around the back of the engine (as 82MKII said). That line originates on the block near the fuel filter, collects hot coolant from various places (like the fitting in pic 3) and delivers it back to the water pump.
This pic might help a bit:
The ISCV has a label which says (among other things) "ISCV" to help you identify it. It just bleeds the correct amount of air directly into the plenum to maintain the correct idle speed, depending on things like air/engine temperature, A/C status, etc.
3,4+5 ... your choice  Just don't tell the engineer (if you plan on getting it engineered, it is a requirement to have a demister) 
I hope this helps
Edit: Clarity ...
[Updated on: Sun, 26 September 2004 09:29]
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