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wtb pyrometer fitting?

Detroit Dan

Detroit Dan

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Epping NH
Where can I get a threaded fitting so I can reinstall my pyro on my new exhaust that didn't come with a bung? I was told to go to Napa and get a standard O2 sensor bung, but it's nothing like that. It has threads on the outside rather than inside. fwiw, it's a Banks gauge.
 
well, no pics, and even if my camera was working and I had a way to upload pictures to this computer, I'm not sure how enthusiastic I would be about crawling under my truck in 12 degree weather after plowing all day.
Anywho, the Banks exhaust system originally came with a welded bung on it, premade to fit the pyrometer probe. It was threaded on the outside of the bung, rather than the inside. So the probe has a rotating sleeve on it with threads on the inside. Probe goes in the bunghole, cap screws on the outside of the new bung. But, I have no idea what size or thread it is. I'd think it should somehow be some kind of standard fitting. Guess I'll check Banks website and maybe email them.
 
yeah, I just searched around on the web, all the aftermarket gauge companies make a bung with the threads inside, like the one Napa already sold me. I emailed Banks to see if it's available. If I could remove the probe from the truck I could probably take it into a parts or hardware store, make some progress with it, but that would be kind of a pita.
 
If you still need the weld in bung I have one here. PM me your address and I can send it to you. What I have here is the bung with internal threads and the rest of the stuff to put the probe in and hold it. I can send it to you and if it don't work you can just send it back.

John
 
jhornsby3 said:
If you still need the weld in bung I have one here. PM me your address and I can send it to you. What I have here is the bung with internal threads and the rest of the stuff to put the probe in and hold it. I can send it to you and if it don't work you can just send it back.

John
Click to expand...

that sounds like the one I already bought, with internal threads. I need external threads. but thanks!
 
96GMC6.5L said:
Any of the ones on here?

http://www.mandrelbendingsolutions....searchpath/24015/start/49/total/58/Categories
Click to expand...

no, nothing looks the same to me. no idea why this pyro has to be different from all the rest.

I contacted Banks, they gave me a part number and told me to call in to order it. Hope it's not a ton of money, I still can't understand why I can't find something cheap local. I wonder, will it hurt anything if I cut the probe off to carry it in the store with me, then put it back together with good heatshrink solderless connectors? Or is it a sensitive signal wire that shouldn't be cut?
 
Do not cut and solder the wires on the thermocouple.

They are very sensitive, all the readings are in millivolts and soldering the wire incorrectly will throw the readings off.

Let me check real quick for the part on that.
 
It sounds to me like it might be the same as the proble that Edge used with their juice modules. They have a fitting that screws into 1/8" npt internal threads and then the nut on the probe screws onto it. Banks might just weld that adapter in instead of threading it in.
 
That's what it sounds like.

Most probes come with the 1/8 NPT fitting that is threaded into the cast iron, so you don't need to weld it.

Then the thermocouple is threaded onto that.

I'm betting all it is 1/8 NPT fitting that isn't threaded into a drilled and tapped hole.

Bring that thermocouple to a hardware store and I bet you can find a fitting that it will work with. Any good hardware store should be able to match up the threads.

Something like a black pipe fitting shouldn't cost more than $3-4 and can be welded right on.
 
Instead of guessing at it, it would be helpful to actually see the probe.

I can't imagine that Banks uses any special thermocouple, they're usually pretty standard.

It's either a 1/8 or 1/4 probe.
 
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If it is what I am thinking it looks like the fitting in this picture connected to this tester. I looked for one of these fittings for my son's edge probe and they are hard to find.
 

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    probe fitting.jpg
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Those fittings can be had pretty easy, but the weld on one that he's talking about only needs to have the threads for the probes retaining nut, not the 1/8th NPT threads that are closer to the tip.

Here is the part you would have needed. They run about $3.

te-348.jpg


If you have the part number from Banks, that's all I need and I can see what they're running.

Your best bet may be this....

5255_d.jpg


It's an Autometer weld on bung with the adapter for the thermocouple.

The only pieces you'd need would be the upper right (weld on bung) and the upper left (adapter). Your thermocouple should screw right onto the adapter.

The only thing I need to know is if it's a 3/16" or a 1/4" probe.
 
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