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I'm considering adding an EGT gauge to aid my tuning process. Should I get one? Would I have to add a bund on one of the headers or the corssover pipe?
TIA for any input...
2005 Ford F150 SuperCab FX4
1964 Chevrolet Impala SS
1998 CSVT: 354HP/328TQ @ 10 psi, now gone 
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You will want to drill a hole in the primary 1" from the head to get the most accurate reading. Pick the leanest hole.
2001 Lincoln LS8
1994 Lexus GS300
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Well, the accuracy isn't really the way to look at this one. The gauge will accurately measure temp wherever it is but if you want to know combustion temps then you'll want it close to the head. On the other hand, the probe will wear out faster. I've been running one since '02.
I currently have it in my y-collector where both banks combine. It is still very sensitive there. If you want to compare it to other peoples temps then you would have to mount it where they have it.
If you put it in a header then you only reflect the temp for one bank, i.e. if it goes lean on the other bank you'll never know. Still, overall that is rare. I'd mount it in the collector of your header or on the bottom of the precat chamber of the stock manifold in an easy location.
Former owner of '99 CSVT - Silver #222/2760
356/334 wHP/TQ at 10psi on pump gas!
See My Mods
'05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red
'06 Mazda5 Touring, 5spd,MTX, Black
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OK, I went ahead and got an pyrometer gauge (lunar series to match my gauge overlays  ) Should it come with a bung for the sensor? Originally posted by warmonger:
I currently have it in my y-collector where both banks combine. It is still very sensitive there. If you want to compare it to other peoples temps then you would have to mount it where they have it.
Keywords, eh?  I think I'll follow suit.
Thanks for the input you guys 
2005 Ford F150 SuperCab FX4
1964 Chevrolet Impala SS
1998 CSVT: 354HP/328TQ @ 10 psi, now gone
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Originally posted by Swazo:
OK, I went ahead and got an pyrometer gauge (lunar series to match my gauge overlays )
Should it come with a bung for the sensor?
Yup, thats the same one im running.
Jim Hahn
1996 T-Red Contour SE Reborn 4/6/04
3.0L swap and Arizona Dyno Chip Turbo Kit
364 whp, 410 wtq @ 4,700 rpm
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Originally posted by warmonger:
Well, the accuracy isn't really the way to look at this one. The gauge will accurately measure temp wherever it is but if you want to know combustion temps then you'll want it close to the head. On the other hand, the probe will wear out faster. I've been running one since '02.
I currently have it in my y-collector where both banks combine. It is still very sensitive there. If you want to compare it to other peoples temps then you would have to mount it where they have it.
If you put it in a header then you only reflect the temp for one bank, i.e. if it goes lean on the other bank you'll never know. Still, overall that is rare. I'd mount it in the collector of your header or on the bottom of the precat chamber of the stock manifold in an easy location.
It will be more accurate to the combustion chamber which is the whole point of using it. If you use it after a bend you will be picking up the temp of the metal, not the exhaust.
2001 Lincoln LS8
1994 Lexus GS300
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I mounted mine too low, right where the 3 collectors join up on the back header - so it reads really hot as it's constantly being blasted by one cylinder at any time - so in effect it's not really useful where it is right now. I need to remount it right up next to the head, which I will do when I rework the motor this winter.
2000 SVT Turbo 295hp/269ftlb@12psi
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Is there any safe way I could try to install this while the header is installed?
1. I was thinking about drilling most of the way through, clearing the shards before it punches through.
2. Greasing up the drill bit to catch the remaining bits.
3. Weld in bung as close to the head as I can.
Uninstall turbo, start car to blow out misc s*%^ out the crossover pipe?
2005 Ford F150 SuperCab FX4
1964 Chevrolet Impala SS
1998 CSVT: 354HP/328TQ @ 10 psi, now gone
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Any truly safe way? No.
Do it right once.
04 Subaru WRX "Eurosport bling bling fast and furious tokyo drift"
"They have diarrhea of the mouth, and constipation of thought"
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Sure. You do it in the collector of one of the banks, The shards will mostly fall out and if you do as you say with grease then you should catch them all. Don't worry they'll fall down by gravity. You can unbolt the y-pipe first and then take a vacuum to it to be sure or let the exhaust blow anything else downstream.
Former owner of '99 CSVT - Silver #222/2760
356/334 wHP/TQ at 10psi on pump gas!
See My Mods
'05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red
'06 Mazda5 Touring, 5spd,MTX, Black
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