EGT PROBE
 

I read on honda-tech, that the the egt probe must be tapped in the manifold #3 runner, is that a must? or can it be tapped into the upper part of the downpipe and work fine?

Re:EGT PROBE
 

You can mount it in the DP but it's less accurate as the temp is the combo of all 4 runners which can mask a problem. The #3 runner just gives more accurate reading. I tapped my probe off the #3 runner.

Re:EGT PROBE
 

They say that because its generaly the hottest cylinder.

Re:EGT PROBE
 

the actual best way would be in the middle of the mani.. I've also heard first cylinder for some reason.

Re:EGT PROBE
 

I have a probe in each runner of my mani and one in the turbo exhaust housing itself. To get the most accurate readings, mount the probes 1/2 inch away from the flange that bolts to the head.

I get instant readings vs. the slow inacurrate reading of the probe in or after the turbo.

Re:EGT PROBE
 

wish me luck probing this ss auto crap manifold, thats why I aks the question, I was hoping everyone would have say the downpipe.

Re:EGT PROBE
 

I have the same crappy mani that you have. I drilled holes in each runner 1/2 an inch away from the flange and then tapped and threaded each hole. Then I screwwed the probes in and welded them to keep them from backing out.

If you mount the probes 1/2 an inch to an inch away from the flange you will get pinpoint accuracy; trust me.

Re:EGT PROBE
 

I ------- hate that. Runner mounted EGT probes are ideal.

Do you use one gauge for all of that? I'd like to know exactly how you did that. I can't see an advantage really, except maybe an average reading of all the cylinders combined, which I can't see being better. If you wanted that you should have just mounted it in the DP. Do you have any pics of your setup? I'd like to see it.
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Re:EGT PROBE
 

Does anybody know any good online stores to buy an egt probe?

Re:EGT PROBE
 

eeeeeeeeeeeeeeebay