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Old Mar 10, 2023 | 10:32 AM
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is it possible to instal a pressure sensor on 99 c5 without dropping the exhaust?

i think i have identified it, more or less above the pivot bolt of the shift level but how to get to it is beyond me.btw, is it 1/4" npt?
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Old Mar 10, 2023 | 11:04 AM
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Are you asking about installing an external line pressure sensor? If this is the case the port is 1/8 NPT. I can't say what is needed to access the port.

Last edited by bbond105; Mar 10, 2023 at 06:16 PM.
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Old Mar 10, 2023 | 05:18 PM
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It is indeed a 1/8 NPT Plug...

But the Transmission is all the way in the back of the Corvette, attached directly to the Rear differential.
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Old Mar 10, 2023 | 06:46 PM
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Low dollars pressure sensors fit pretty well on a 4l60, I put an elbow in and ran 3' of
AN line up to the top of the motor and its mounted one of the Fuel rail bolts.
This is inn a jeep swap, I wanted the sensor where it would not get hit..
The AN line lays solid agains the tranny and was easy to tuck.
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Old Mar 13, 2023 | 10:09 AM
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unless somebody sais hes done it ill leave it alone. (i not going to mess with an exhaus thats been on there for 25 years for this.)

pdx, thats a good idea, ill keep it in mind. do you, btw, see a lot of noise/pulsing on the sensor signal? i guess the rubber line helps.
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Old Mar 13, 2023 | 01:05 PM
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I haven't noticed any jitter on the Holley glass dash, I mainly put mine in so I could use the pressure to set an alert if it went too low,
(I burnt a transmission up due to a idiot move on my part,,, I would have caught the issue if I realized how low the pressure was... )
I don't have the refresh at a crazy rate either. I should have mentioned its run by a Terminator X Max with the glass dash.
The AN line is rated 2500 psi, I've played with them before on brake systems that had pressure monitoring, surprisingly stable.
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Old Mar 14, 2023 | 01:38 AM
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thanks.
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