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Old 11-26-2012, 01:33 PM   #1
02nismokiller
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Member#: 322963
Join Date: Jun 2012
Location: upstate NY
Vehicle:
04 wrx
psm

Default Thermal spacer install

Hey yall I got some grimmspeed 3mm spacers and I'm just trying to prepare before the install so I get it all in my mind before tearing anything off. Yes I've searched for a long time and still no answer. Is there a how to on installing these spacers? I don't think I got to remove the entire manifold off right? Just lift it enough to slide the spacers in? Any tips, a how to, or anything for that matter? And no I'm not planning on doing tgv deletes lol...

Thanks in advance
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Old 11-26-2012, 01:48 PM   #2
04wrxhart
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Member#: 204246
Join Date: Feb 2009
Chapter/Region: NWIC
Location: Vancouver, Wa.
Vehicle:
2004 Impreza WRX
WRBlue

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IMO, this mod is a waste of time if this is all your doing. Your much better off pulling the manifold but i guess you could try to just slide them under the tgv's might be pretty difficult though. I would suggest that since your already going to be doing this you might as well do the tgv's. You can buy the new composite material tgv deletes and just send the spacers back because they do the same thing as the spacers in terms of reducing intaking manifold temps but they will also free up restriction. Tune would be required to clear the CEL's though.
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Old 11-26-2012, 02:25 PM   #3
paulpat
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Member#: 237145
Join Date: Feb 2010
Chapter/Region: SCIC
Location: 562
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02 WRX
12 FXT

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Why not do the tgv's? But the above post is right. If your going to do the spacers do the tgvs or buy the new turn in concepts tgv delete thingy. And then find someone with a tactrix cable to turn off the codes for those tgv sensors.

The spacers work but they really work if you have other mods like heat wrap, coolant bypass mod. And more. I like feeling a warm intake and ic compared to blistering hot ones.
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Old 11-26-2012, 03:45 PM   #4
10MTN-bugeye
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Join Date: Jul 2011
Vehicle:
2002 Bugeye
PSM and parking lot scars

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Just to emphasize the points above, I have spacers under my manifold. They were really an after thought. I planned to have the manifold removed to gut/port the tgv, match the runners and bypass the throttle coolant circuit. If the TIC had released their TGV delete, at that time, I would have skipped the phenolic spacers and saved my self the elbow grease of porting my original TGVs.

As to your original question: Yes I think it is possible to unbolt just the tgvs and slide the spacer under. Personally, it would drive me nuts to not have a clear "eyes on" those gaskets to make sure things were lined up and debris (who does have at least one lost bolt under their manifold?) hadn't found it's way into my heads.

**I think it is agree that the most difficult part of this install is removing the GBODs. Do yourself a favor and google "Green brackets of death", before you begin this job.
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