sk8rmike

should i put it in the manifold itself or in the stock DSM o2 housing?

Kaneda13

i could eb wrong, but i beleave i read that they should be as close to the O2 sensor as they can be.

T3

3rd runner on the manifold.

Tom-Guy

I'll second the 3rd runner.

If you get a dual EGT gauge, you can always stick a second one in the collector right before the turbo to compare hottest and average EGT. If you stick it after the turbo in the downpipe, you read a max of around 800 degrees F when in boost... pressure-enthalpy conversion leeches a lot of the heat/energy out of the exhaust gas.

Dr.Boost

3rd runner is best.

Mine is after the turbo on the downpipe and it reads allot colder than one on the runner. I am usually at about 900 cruising. I have hit 1300 before.
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civic1990si

mine was intall in the o2 sensor hole on the std manifold. And i read 1450,1500
F at 60mph. So it hot. Do you think it will be better on the 3 runner??

wannabfst

i put mines on the #1 cylinder runner is this not good?

Dr.Boost

On Honda motors it is better to have them on the #3 cylinder. The #3 cylinder has been known to be the first one to go out because of high heat levels. This would make the #3 the ideal position to place the probe since you could see what the hottest part of the motor is. The #1 runner would be fine, but it is not the best spot. I don't think it would be anything to worry about.
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civic1990si

ok some person told me to put the EGT after the turbo when we are FI and in the manifold when we are N/A.

projekteg

you can but your temps will be cooler, wouldn't you rather know your hottest temp? i think that is safer, you can also put it 1 inch from your muffler if you want