Pyrometer thermocouple installation location
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Tuned
Joined: Dec 2008
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From: San Diego, Tx
Pyrometer thermocouple installation location
I'm working on getting my gauges installed and the trans temp and boost are easy. I'm looking at the pictures on Diesel Manor for the installation instructions and am not sure exactly where the thermocouple for the pyro is installed. It appears from the pictures to be on the bottom side of the engine but can someone possible describe the location to me a little better? It would be a huge help.
Thanks in advance.
Thanks in advance.
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I prefer the driver side up pipe. It has easy access and isn't as permanent as the manifold. If you need pics let me know.
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Post Fiend
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From: Texas
Do you know what an exhaust manifold is? The 2 locations for the sensor are either in the exhaust manifold (bottom side since it's easier access) or in the up pipe, which is the thin wall pipe that goes from the exhaust manifold up to the back of the turbo. We typically install this in the driver side since it's a shorter distance to run the wires to the gauge. No this is not the pipe folks do the foil delete on.
Edit: So Clay can post pictures faster than I can type.
Clay, you might want to take a few shots from a lot further out for those that may not understand what the manifold or up pipes are. You know, something they can lay under the truck and get their bearings and figure out what's what. Maybe include the oil filter as a point of reference. Are you going to have a tech write up section in your website?
Edit: So Clay can post pictures faster than I can type.
Clay, you might want to take a few shots from a lot further out for those that may not understand what the manifold or up pipes are. You know, something they can lay under the truck and get their bearings and figure out what's what. Maybe include the oil filter as a point of reference. Are you going to have a tech write up section in your website?
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From: Dallas-Ft. Worth
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Do you know what an exhaust manifold is? The 2 locations for the sensor are either in the exhaust manifold (bottom side since it's easier access) or in the up pipe, which is the thin wall pipe that goes from the exhaust manifold up to the back of the turbo. We typically install this in the driver side since it's a shorter distance to run the wires to the gauge. No this is not the pipe folks do the foil delete on.
Edit: So Clay can post pictures faster than I can type.
Clay, you might want to take a few shots from a lot further out for those that may not understand what the manifold or up pipes are. You know, something they can lay under the truck and get their bearings and figure out what's what. Maybe include the oil filter as a point of reference. Are you going to have a tech write up section in your website?
Edit: So Clay can post pictures faster than I can type.
Clay, you might want to take a few shots from a lot further out for those that may not understand what the manifold or up pipes are. You know, something they can lay under the truck and get their bearings and figure out what's what. Maybe include the oil filter as a point of reference. Are you going to have a tech write up section in your website?
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Post Fiend
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From: Texas
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Since it's an EGT (Exhaust Gas Temp) gauge wouldn't you want it as close to the exhaust port as possible? Seems like the up-pipe would be the only place that makes sense...plus the easy drill in the tube makes it simple to do.
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From: Texas
Guess I should pay more attention then. I saw a write up somewhere that showed the clamp type on the up pipe so I just figured the tap type should go in the manifold. I've had lots of practice with a drill and tap, both cast iron and steel, so the manifold didn't bother me. If the tap holds well in the up pipes, I can't see any reason not to do it there for the above mentioned reasons. Besides, the tapered NPT tap will allow you to tighten the fitting if it becomes loose or you run the tap in a little too far.
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Technically, the exhaust gasses go through the exhaust manifold before they ever see the up pipes, but we're only talking about a few inches of difference so it's not really a big deal.
Guess I should pay more attention then. I saw a write up somewhere that showed the clamp type on the up pipe so I just figured the tap type should go in the manifold. I've had lots of practice with a drill and tap, both cast iron and steel, so the manifold didn't bother me. If the tap holds well in the up pipes, I can't see any reason not to do it there for the above mentioned reasons. Besides, the tapered NPT tap will allow you to tighten the fitting if it becomes loose or you run the tap in a little too far.
Guess I should pay more attention then. I saw a write up somewhere that showed the clamp type on the up pipe so I just figured the tap type should go in the manifold. I've had lots of practice with a drill and tap, both cast iron and steel, so the manifold didn't bother me. If the tap holds well in the up pipes, I can't see any reason not to do it there for the above mentioned reasons. Besides, the tapered NPT tap will allow you to tighten the fitting if it becomes loose or you run the tap in a little too far.
Post Fiend
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From: Texas
I guess the drilling part is a matter of perspective. Yes it's much thicker than the up-pipe, but I've drilled through much thicker material. As I stated earlier, and as you can see in both Clay & Mike's pics, you're only talking about a few inches of difference in location of the probe, so the decision between the two locations isn't really of any importance.