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No. IAC bypass tube must come after the turbo, anywhere after the compressor will work.


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Swazo Offline OP
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OK, stopped by the stealership and checked the motorcraft Contour PCV and it didn't seal at all when I would blow on it. I had them bring all they had out, and only a few came close to even sealing. I'm sure the geezer thought I was crazy, but I'm dead set on resolving this stupid PCV issue TODAY

They're having a T-bird turbocoupe/Mustang SVO PCV delivered, which is the PCV of choice by aftermarket turbo mustang owners. I should know more in about 2 hours.


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Originally posted by warmonger:
No. IAC bypass tube must come after the turbo, anywhere after the compressor will work.


So, like this:

Boosted System:
1) Air filter feeds into MAF
2) MAF feeds into intake tube
3) Valve cover breather vents feed into intake tube
3b) intake tube feeds into Turbo inlet
3c) turbo inlet feeds into intercooler piping

4) IAC bypass tube feeds into IAC valve before the Throttle Body
5) Intercooler piping feeds into Throttle Body

Where does the BOV fit ... after IAC or Before?

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BOV can be anywhere between the TB and the Intercooler, before or after IAC - best is as close to the TB as reasonable as it help stop the pressure wave progressing further back towards the intercooler when the TB shuts.

Also to add to your piping description:
6)BOV attaches to I/C outlet piping, before TB
7)PCV feeds into Intake manifold.
8)SIGNAL to BOV is from the intake manifold.
9)SIGNAL to wastegate is from I/C piping right before TB.


2000 SVT Turbo 295hp/269ftlb@12psi #1 for Bendix Brakes Kits! Knuckles rebuilt w/new bearings $55 AUSSIE ENDLINKS $70 Gutted pre-cats $80/set A lack of planning on your part does not constitute an emergency on mine!
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Swazo Offline OP
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I've got the motorcraft EV-127; T-Bird TC/Mustang SVO PCV valve. It seals against everything my lungs have to offer, so I think it's my best bet.

I'll be installing it and running around without my cat-back for today. I hope this solves my issues

On a second note, what would you guys flush an oil soaked exhaust system with? I'm thinking of getting 4 gallons of some bio-friendly degreaser from the auto parts store, cap the system off and top it off with water. Then I'll let it sit in the sun for a day or two and flush totally out. What do you all think, bad idea? There is a s$&% load of oil in it and I don't want to leave a massive cloud behind me as I drive any longer than I have to


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Get on the freeway with a window banner that say "F!ck the EPA!" and drive the hell out of it until she stops smoking

Last edited by fastcougar; 05/15/06 07:19 PM.
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Swazo Offline OP
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I'd make a lot of friends doing that

Well the cat-back is dropped and the new PCV setup is inplace, and she's still smoking like a mo-fo. I drove around for 30 minutes and it consistantly smoked.

The front valve cover vent tube blew off again as I was making my way back to the shop and as soon as it did, the exhaust stopped smoking a little. I'm starting to think that it really is the damn shortblock.


2005 Ford F150 SuperCab FX4 1964 Chevrolet Impala SS 1998 CSVT: 354HP/328TQ @ 10 psi, now gone
#1555679 05/16/06 12:50 AM
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Swazo Offline OP
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I let my car cool down before I did another compression test, and the first plug I pulled was covered in oil

I've tried all I am willing to try with this car. I'm not sad really, just burned out. It would have been nice to have a daily driver turbo Contour, but it just did not work out in the end.

I am taking the car back to my shop tonight to begin parting Swazo out. I'll start listing items in the classifieds and on ebay within the week.

Thank you all for the support in building this car! CEG is an awesome forum with lots of great info and really great memebers.


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-'96 SE MTX 3L -'98 SVT 1,173 of 6,535 -'05 Mazda 6s, loaded, g/f's ride -Need a 96-00 manual on CD? PM or email me
#1555681 05/16/06 01:07 AM
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At least confirm it with a leak down test ... let cooler heads prevail and don't jump off the deep end prematurely!

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