Pyro gauge questions
My boys gave me some Max Tow dual read out boost and pyro gauges for Christmas, I have some great kids, so I was wondering is it better to mount the probe pre or post turbo and what sort of temperatures should I be seeing out of either location?
Thanks. |
I have mine mounted pre turbo, just daily driving it stays around 700-800 unless I get on it. When I tow it's at least a 15k pound trailer and I'm usually around 1150-1200.
I'm sure some one will correct me if I'm wrong, but I believe the reading would be about 100* less if mounted after the turbo. |
Pre-turbo for sure. Cummins rates these engines at 1250F all day long (100% duty cycle), anything over 1250 and you need to reduce the time spent there.
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This was written for 94-98 Dodges, but the idea is still exactly the same for 1st gens.
Ram/Cummins EGT and Pyrometer installation |
Originally Posted by Angry Johnny
(Post 3262664)
My boys gave me some Max Tow dual read out boost and pyro gauges for Christmas, I have some great kids, so I was wondering is it better to mount the probe pre or post turbo and what sort of temperatures should I be seeing out of either location?
Thanks. They make pyros for both locations. pre OR post |
I install my pyros pre turbo, as they get a more precise temp. reading.
I drill them in the back 3 cylinders exhaust port half as well as the rear cylinders run hotter. |
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My 91 had both pre and post. I had a selector switch next to the gauge.
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Originally Posted by cougar
(Post 3262708)
My 91 had both pre and post. I had a selector switch next to the gauge.
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I bought an Isspro post turbo gauge and poyro system....it works fine. I just add about 150* to the reading I'm seeing to get a ball park for what's at the manifold.
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The gauge they got me can go either pre or post. The difference being a post install would be a lot easier. I'm thinking that since I don't work my truck hard that location may be just fine even if it isn't the most accurate.
Thanks guys. |
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Originally Posted by redneck1057
(Post 3263018)
Thats really neat! what was the difference in the temps of the two locations?
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Just installed the pyro sensor while I had the manifold off to change gaskets.
http://imagizer.imageshack.us/v2/xq90/538/F5rRCN.jpg |
Originally Posted by Angry Johnny
(Post 3262664)
My boys gave me some Max Tow dual read out boost and pyro gauges for Christmas, I have some great kids, so I was wondering is it better to mount the probe pre or post turbo and what sort of temperatures should I be seeing out of either location?
Thanks. |
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