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EGT Sensor Location

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richter69
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EGT Sensor Location Empty EGT Sensor Location

Post  512Fairlane April 23rd 2011, 11:57 pm

How far from the port should EGT senor fittings be placed in the header? What do you guys use for fittings? Is it a pipe tap nipple or?
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Post  rmcomprandy April 24th 2011, 12:17 am

512Fairlane wrote:How far from the port should EGT senor fittings be placed in the header? What do you guys use for fittings? Is it a pipe tap nipple or?

As close to the head port as possible ... if you are sampling all of them be sure to place the sensors in the same location at all their respective exhaust ports.

There are several different types of temp sensors and mountings.

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Post  richter69 April 24th 2011, 12:40 am

I always went about 1 1/2" myself, instructions on most set ups I have seen say 1"-3", and keep them all the same distance if there is one in each tube. 1/8" npt is the norm.
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Post  cool40 April 24th 2011, 12:50 am

not tryen to jack the post but who makes the best system? Very Happy i'm looken to buy one.
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Post  512Fairlane April 24th 2011, 1:21 am

Thanks. I'm also thinking about throwing in an O2 Sensor bung while we are at it. Should these be in the collectors close to the entry or closer to the exit?
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Post  richter69 April 24th 2011, 9:23 am

I'm using the Altronics Red Alert set up like KY the baller..............it just gives you all 8 individual egt's and the rpm, but its an eye opener. I looked at a full blown datalogger, but on my budget it wasnt in the cards right now.

Lem can set you up............. Wink
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Post  342g April 24th 2011, 9:43 am

512Fairlane wrote:Thanks. I'm also thinking about throwing in an O2 Sensor bung while we are at it. Should these be in the collectors close to the entry or closer to the exit?

Goes in the header tube, about 1-3 inches from flange.
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Post  richter69 April 24th 2011, 10:01 am

O2 will to go in the collector.
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Post  342g April 24th 2011, 1:01 pm

342g wrote:
512Fairlane wrote:Thanks. I'm also thinking about throwing in an O2 Sensor bung while we are at it. Should these be in the collectors close to the entry or closer to the exit?

Goes in the header tube, about 1-3 inches from flange.
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Post  342g April 24th 2011, 1:03 pm

342g wrote:
342g wrote:
512Fairlane wrote:Thanks. I'm also thinking about throwing in an O2 Sensor bung while we are at it. Should these be in the collectors close to the entry or closer to the exit?

Goes in the header tube, about 1-3 inches from flange.

My bad, have to start reading a little better. Laughing
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Post  cool40 April 24th 2011, 1:10 pm

richter69 wrote:I'm using the Altronics Red Alert set up like KY the baller..............it just gives you all 8 individual egt's and the rpm, but its an eye opener. I looked at a full blown datalogger, but on my budget it wasnt in the cards right now.

Lem can set you up............. Wink
thanks fabio,i'll hit Lem up when i start the new headers. Very Happy
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Post  Curt April 24th 2011, 5:56 pm

For an accurate reading, the O2s should going in the tubes.
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Post  richter69 April 24th 2011, 6:46 pm

most kits I have seen only come with 2 O2 sensors, and honestly for a mech injected deal you need to monitor each individual pipe IMO.
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Post  512Fairlane April 24th 2011, 9:19 pm

Curt wrote:For an accurate reading, the O2s should going in the tubes.


Any idea how far from the port exit I should place them? Which cylinders are likely to be the leanest with a Victor manifold?
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Post  David Cole April 24th 2011, 9:43 pm

512Fairlane wrote:
Curt wrote:For an accurate reading, the O2s should going in the tubes.


Any idea how far from the port exit I should place them? Which cylinders are likely to be the leanest with a Victor manifold?

On my new headers I had the O2 bungs put in two tubes. One each side. One is in #8, the other #3. They are located 1/2 way between the head and exit end of the collector. I also have egt's in 2 cyl as well. A corner and an inside. I'll have 4 of 8 cylinders accounted for. Hopefully the other 4 won't be far enough off to hurt anything. Not going to get it that close to max lean anyway.
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Post  Curt April 24th 2011, 9:59 pm

512Fairlane wrote:


Any idea how far from the port exit I should place them? Which cylinders are likely to be the leanest with a Victor manifold?

I don't know which cylinder would be the leanest, I run mechanical injection. Anywhere midway in the tube is good.
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