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Performance Modifications for the NG900 / Old 9-3 This forum contains PERFORMANCE related Q&A's for the NG900 and 9-3. This may also include suspension.

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Old 03-14-2007, 12:34 PM   #61
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EGT belongs in the manifold, thats the only place its going to be truly useful for tuning.
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Old 03-14-2007, 12:36 PM   #62
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People will disagree, but my feeling is that you should be looking at EGT's pre-turbo anyway. There's too much delay and uncertainty measuring post-turbo.

edit: yeah what everyone else said, meausure EGT pre-turbo. I type too slow.

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You dont even need the 2nd bung for EGT... You can use a drill in hose clamp style K type thermocouple for that. Goes in super clean and only puts a 1/4" hole in the DP.

Last edited by Drew in Houston; 03-14-2007 at 12:39 PM.
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Old 03-14-2007, 12:38 PM   #63
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People will disagree, but my feeling is that you should be looking at EGT's pre-turbo anyway. There's too much delay and uncertainty measuring post-turbo.
I can agree with that.... if your doing it right then you would go manifold based..Most EGT's are post turbo and pre cat so you may not get the exact reading but you will get one that will give you a basic idea of where your at.
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Old 03-14-2007, 12:39 PM   #64
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Not all tuners do that, Im not sure who Boz has settled on or if anyone at all yet - but some simply dont.

Alittle confused? Don't take this the wrong way, it's just the way it's word'd but are you saying you know of a tuner that does custom tunes off narrow-band?
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Old 03-14-2007, 12:42 PM   #65
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Alittle confused? Don't take this the wrong way, it's just the way it's word'd but are you saying you know of a tuner that does custom tunes off narrow-band?
Im not consfused at all, but Boz is not getting a custom tune (to my knowledge) - just an in person tune for a setup most tuners have basic maps for and they generally just montior with a Tech-2.
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Old 03-14-2007, 01:04 PM   #66
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Im not consfused at all, but Boz is not getting a custom tune (to my knowledge) - just an in person tune for a setup most tuners have basic maps for and they generally just montior with a Tech-2.
No I word'd my comment wrong, it was supposed to say I'm alittle confused. Ok that's what I was asking him.
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Old 03-14-2007, 02:08 PM   #67
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Ok, I hope I answer some things here

I'm not getting a custom tune until I throw in a GT series a little later. Jak is going to throw a 9k tune on there and do some fine tuning from there. Once I go past the TD04 I'll be doing Nordic or SQR. I didn't get a bung because I bought this DP from someone on here (it's not new).
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Old 03-14-2007, 05:32 PM   #68
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I just got internets after two weeks of no TSL...i was going through serious withdrawal.

A few comments.

The wrap job looks nice, as does the paint. The paint will last about 30 seconds, but oh well. More importantly, I would say take the wrap off. Thermal wrap will warp the DP since it's just aluminized steel...you can't create those sorts of temps and expect the DP to last very long...unless you like spending $300 on a DP every month or two.

Secondly, the manifold is more important for heat flow in terms of spool and power production. Not the DP....that's post-compressor. The DP should be dumping the gases as efficiently as possible.

Thirdly, the thermal barrier should be INSIDE the exhaust tracts, not retaining heat on the outside. I would say that you'd be better served pulling the manifold, getting it extrude honed or some sort of port and polish scheme, and then coated internally with a thermal barrier like a ceramic.

But, if you do that, then you might as well get the turbo exhaust housing done in ceramic, and maybe the pre cat portion of the DP.

But take the wrap off. Believe me, it's doing very little except increasing the likelihood that the DP will fail sooner rather than later.

Just my $0.02
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Old 03-16-2007, 01:23 PM   #69
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tn, is prolly just different. i might remember that they sniff cars older than 96 tho, that is a stretch im not really sure. I wouldnt see the difference since we both are T5 and should have the same electronics. I might have to due with your car being over 10 years old as well. i dunno...
-95 don't have the port for the plugin, is it obdII? I have a '95 aero,always have had the sniff test
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