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May 3rd, 2007, 21:03
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#1
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Member
Join Date: Feb 2007
Location: TENNESSEE
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EGT gauge question? NEED FAST ANSWER please
just a 2 1/2" turbo back straight pipe exhaust from GHL and i need to know where to put the bung thingamabobber for the egt gauge. i'd like to know the exact location of where to have that thing welded in on the down pipe. as in aproximatly how far down and if it should be (in acordance to the car) on the front side or maybe back side or left or right? thanks for any help!!!!!!!
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May 3rd, 2007, 21:11
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#2
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Veteran Member
Join Date: Aug 2004
Location: Menomonee Falls, Wisconsin, USA
Fuel Economy: 75.0/53.0/38.4
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Most people prefer the EGT on the turbo side - many options here. Search for EGT placement.
I have mine on the downpipe (been too lazy to drill/tap my turbo). I have it on the outside corner at ~45 degrees 'round the bend' from the turbo flange. It points up and to the left (as if you were sitting in the drivers seat). Generally - closer to the tubo is better (both pre and post turbo)
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03 Jetta, Cat 2u, DG Steel SP w/MOGolf Mod, 3"DP, 4"EXH, EaBP110 Bypass, Euroswitch, ECodes, Driving Light, PD Lift Pump, R520's, RC5,RC6, TDTuning, Malone, ScanGaugeII, 3" TIP, 2" TOP, VNT 17/22, 3 Bar MAP, VR6 MAF, Vented Fender Liner, Battery Cover Mod, 11mm, Monster Mats, 215/50/17 (27.9/53.0/75) Monthly MPG Links, Euro Trunk Latch, IDParts RSB, SDI or ALH Intake, ASV Ceramic Pistons, Rosten Rods, DRW, Wavetrac, SBC, FSD's, Beef Springs, Rebuilt Head, Recaro's, Colt II, DG Sigma 6, Gauges
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May 3rd, 2007, 21:12
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#3
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Veteran Member
Join Date: Feb 2006
Location: WA
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In the down pipe, as close to the turbo as possible, positioned so that it won't hit the firewall or anything else. 
Good luck, with it.
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May 3rd, 2007, 21:13
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#4
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Veteran Member
Join Date: Jan 2003
Location: Layton, UT
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Dont put the bung in the downpipe. The egt will not read correctly. You have to put it in the turbo neck or down the EGR port with an adapter.
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May 3rd, 2007, 21:21
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#5
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Veteran Member
Join Date: Dec 2003
Location: Langley B.C. Canada
Fuel Economy: 64mpg, 60mpg, 56 mpg
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All depends on what the egt gauge instructions say. Mine was a autometer and was specific to put it post turbo as it was calibrated for that type of installation.
Also if the probe ever broke, bye bye turbo
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Originally Posted by Locosmotion
Dont put the bung in the downpipe. The egt will not read correctly. You have to put it in the turbo neck or down the EGR port with an adapter.
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May 3rd, 2007, 21:22
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#6
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Veteran Member
Join Date: Feb 2006
Location: WA
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Quote:
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Originally Posted by Locosmotion
Dont put the bung in the downpipe. The egt will not read correctly. You have to put it in the turbo neck or down the EGR port with an adapter.
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Yeah, if it's possible that would be ideal. However, I guess it depends on his set up. On my car, we initially planned on installing the bung in the exhaust manifold, but it was way too much work to get to it. 
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May 3rd, 2007, 21:34
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#7
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Veteran Member
Join Date: Aug 2004
Location: Menomonee Falls, Wisconsin, USA
Fuel Economy: 75.0/53.0/38.4
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Quote:
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Originally Posted by Locosmotion
Dont put the bung in the downpipe. The egt will not read correctly. You have to put it in the turbo neck or down the EGR port with an adapter.
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What makes it read incorrectly in the downpipe? The temp will be lower, but not incorrect I believe.
__________________
03 Jetta, Cat 2u, DG Steel SP w/MOGolf Mod, 3"DP, 4"EXH, EaBP110 Bypass, Euroswitch, ECodes, Driving Light, PD Lift Pump, R520's, RC5,RC6, TDTuning, Malone, ScanGaugeII, 3" TIP, 2" TOP, VNT 17/22, 3 Bar MAP, VR6 MAF, Vented Fender Liner, Battery Cover Mod, 11mm, Monster Mats, 215/50/17 (27.9/53.0/75) Monthly MPG Links, Euro Trunk Latch, IDParts RSB, SDI or ALH Intake, ASV Ceramic Pistons, Rosten Rods, DRW, Wavetrac, SBC, FSD's, Beef Springs, Rebuilt Head, Recaro's, Colt II, DG Sigma 6, Gauges
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May 3rd, 2007, 21:40
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#8
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Veteran Member
Join Date: Mar 2006
Location: Renton/Redmond, WA
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Quote:
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Originally Posted by Fix_Until_Broke
What makes it read incorrectly in the downpipe? The temp will be lower, but not incorrect I believe.
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You can put it in your glove compartment and it will read correctly it just won't give you any useful information.
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May 3rd, 2007, 21:53
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#9
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Veteran Member
Join Date: Jun 2006
Location: Royal Oak, MI
Fuel Economy: 50.5 mpg best, 34 mpg worst
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It's not that the reading will be wrong. Pointless would be more accurate. Installing it in the downpipe won't let you know when engine parts start melting. Does anyone know of benefeits having the dung installed in the downpipe as apposed to in the manifold?
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Originally Posted by Fix_Until_Broke
What makes it read incorrectly in the downpipe? The temp will be lower, but not incorrect I believe.
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May 3rd, 2007, 21:56
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#10
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Veteran Member
Join Date: Aug 2004
Location: Menomonee Falls, Wisconsin, USA
Fuel Economy: 75.0/53.0/38.4
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Quote:
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Originally Posted by Matthew_S
You can put it in your glove compartment and it will read correctly it just won't give you any useful information.
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Unless you calibrate it for your application against a known reference, it won't be any more/less useful than anywhere else. Mine has been very useful in the downpipe. I plan to put a 2nd one in pre turbo as well to be able to compare the two. We're off topic arguing semantics here.
__________________
03 Jetta, Cat 2u, DG Steel SP w/MOGolf Mod, 3"DP, 4"EXH, EaBP110 Bypass, Euroswitch, ECodes, Driving Light, PD Lift Pump, R520's, RC5,RC6, TDTuning, Malone, ScanGaugeII, 3" TIP, 2" TOP, VNT 17/22, 3 Bar MAP, VR6 MAF, Vented Fender Liner, Battery Cover Mod, 11mm, Monster Mats, 215/50/17 (27.9/53.0/75) Monthly MPG Links, Euro Trunk Latch, IDParts RSB, SDI or ALH Intake, ASV Ceramic Pistons, Rosten Rods, DRW, Wavetrac, SBC, FSD's, Beef Springs, Rebuilt Head, Recaro's, Colt II, DG Sigma 6, Gauges
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May 3rd, 2007, 21:56
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#11
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Veteran Member
Join Date: Jan 2003
Location: Layton, UT
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1 vote for the glove compartment.
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May 3rd, 2007, 22:31
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#12
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Member
Join Date: Feb 2007
Location: TENNESSEE
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alright alright. if the thing needs to be put in the manifold i'l do it. i thought it was suppose to go after the turbo tho. so now the question is where on the manifold is it suppose to go? does it need to be welded into the manifold or wut is the proper method of installation? pardon me for all the "newb questions".
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May 3rd, 2007, 22:53
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#13
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Veteran Member
Join Date: Jun 2006
Location: Royal Oak, MI
Fuel Economy: 50.5 mpg best, 34 mpg worst
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May 4th, 2007, 04:21
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#14
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Join Date: May 2001
Location: Myrtle Beach, SC
Fuel Economy: 56.4/45.1/36.0
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I vote for this one:
Quote:
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Originally Posted by DbLog
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MCA
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May 4th, 2007, 04:23
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#15
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Join Date: May 2001
Location: Myrtle Beach, SC
Fuel Economy: 56.4/45.1/36.0
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Quote:
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Originally Posted by Locosmotion
1 vote for the glove compartment.
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Maybe that's my new tag line: "It's better than the glove compartment."
MCA
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