EGT Probe Bottoming Out
#16
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DON'T GRIND THE STOP RING OFF! I had a freind try that and it broke at the junction where it was ground. If it extends about an inch past the end of the coupler it will be perfect in a manifold mounted application. Like I said earlier, just tap a little at a time and keep trying the coupler until you have about 3 to 4 turns in when finger tight. This will be about 4 to 5 turns in when tightened with a wrench and will put the probe tip VERY close to the center of the exhaust stream. When tightened down you should still be able to see 2 or 3 threads on the coupler.
Richard
Richard
#17
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Does anyone know if Dipricol thermocouples are adjustable. I never gave it any thought until I read this thread. I'm not bottoming out, but I'm not exactly in the center either.
John
John
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Thanks for the visual reference. On the probe that we are speaking of the compression ring in the above picture is actually a molded in, raised lip that pre-sets the tip depth. Can't be moved or ground off.
Thanks again for the picture. Excellent for reference.
Richard
Thanks again for the picture. Excellent for reference.
Richard
#22
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Can I hook up two gauges to one probe??
Instead, do what I did (as I was in the same position you're in now) - install the TST-supplied pyro in your downpipe, or elbow, then switch the leads so that the TST box is reading the pre-turbo probe, and your existing EGT gauge is reading post-turbo temps. You now have the best of both worlds - accurate pre-turbo readings for de-fueling, and accurate post-turbo readings for proper cool-down.
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