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Is there a trans PSI gauge, for in-vehicle mounting?

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Old Dec 31, 2021 | 07:35 PM
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Default Is there a trans PSI gauge, for in-vehicle mounting?

I only saw a VDO gauge, up to 400PSI...pretty shiddy with reading marks like every 50PSI. Are there any electric gauges with sender, preferably 2-1/16" or Auto Meter style 2-5/8" for Trans PSI? or a dual gauge w/PSI & Temp? Thanks and Happy New Year!
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Old Dec 31, 2021 | 08:58 PM
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Both 2 1/16" and 2 5/8" sizes are available.

TCI (actually AutoMeter) has both sizes in Black or White-Face (300 Psi):




Stewart Warner, and VDO also have multiple options.
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Old Dec 31, 2021 | 11:34 PM
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I went thru 45 pages on Amazon and didn't find those, maybe because I included the word "Electric" in the search.

Thanks vortecInternationalRaceOfChampions!
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Old Jan 1, 2022 | 04:33 AM
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FWIW,, I usually use stainless braided on mechanical gauges coming inside the car.. The Nylon tubing scares me, had a oil pressure one brake once, you would not believe how much oil I had to clean up, and it only ran about 10 seconds.



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Old Jan 1, 2022 | 01:58 PM
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Originally Posted by pdxmotorhead
FWIW,, I usually use stainless braided on mechanical gauges coming inside the car.. The Nylon tubing scares me, had a oil pressure one brake once, you would not believe how much oil I had to clean up, and it only ran about 10 seconds.
I, too, have had a nylon line blow out.
I use 1/8" copper tubing now, no more problems.

Also, you can install a 0-300 psi pressure transducer (look it up on Amazon), and splice the three wires into the inputs for your fuel tank pressure sensor (assuming you aren't using the EVAP system), and then you can view the trans pressure data on a scanner.

Maroonmonster made a thread about it a few years ago.
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Old Jan 1, 2022 | 04:17 PM
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air pressure gauges for air ride can be made to work
brake pressure gauges can also be made to work

as mentioned above...I like to monitor it with a scanner via hptuners
line pressure changes can happen quickly and it is hard to observe and drive
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Old Jan 1, 2022 | 05:52 PM
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I don’t know what kind of car you drive, but if it’s it’s something new any of the guages that work via CAN might work. Also, Maybe a nitrous pressure gauge. That should have an electronic pressure transducer.
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Old Jan 1, 2022 | 08:06 PM
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Thanks everybody... when I remove "electric" and "transmission" from the searches I'm finding much more choices--the big brand names are a fortune ($100-$175) but no-names and commercial brands and applications are coming in cheap for brand new 1/8"NPT & 1/4"NPT--some without illumination in the $5-$10 range. I think the best are 0-300PSI, they aren't as hard to read--less marks close & bunched up--and most of those are 20PSI each graduation mark (tick?) I'd like to go with a rear fitting. I am not sure how much room is in the tunnel on an XUV and if there's enough space for an electrical sender.

pdxmotorhead, I used to switch out plastic tubing for 3/16" or 1/4" copper. Otherwise on my own vehicles I used 3AN or 4AN w/SS braided Teflon/PTFE core and industrial Aeroquip fittings. The hose has a higher temp rating than Earl's/Russell's type hose. It's more rigid though.

dixie & Maroon, thanks, I'll have to look at the wiring diagrams, but nothing's been bypassed yet. It's an '04 GMC XUV with the aluminum 5.3 right now. I have to do more research on the Cadillac blower before I decide on a power adder.
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Old Jan 2, 2022 | 12:18 PM
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You can use brass fittings and a hard line to place the sending unit to an area with more space.
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Old Jan 3, 2022 | 07:07 AM
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I virtually refuse to run a mechanical pressure or temp gauge into the cabin of anything anymore. ESPECIALLY with that crappy plastic line.

Best case scenario they just leak a tiny bit and ruin carpet or stink
worst case scenario they break entirely and puke piping hot oil at you while driving.

IMO Spend the money and run a proper digital gauge.
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Old Jan 3, 2022 | 07:38 PM
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Originally Posted by MaroonMonsterLS1
I virtually refuse to run a mechanical pressure or temp gauge into the cabin of anything anymore. ESPECIALLY with that crappy plastic line.

Best case scenario they just leak a tiny bit and ruin carpet or stink
worst case scenario they break entirely and puke piping hot oil at you while driving.

IMO Spend the money and run a proper digital gauge.
I haven't run across an electric-based digital gauge yet... can you tell me where to look? or brand? I'll go search now. Thanks.

EDIT: I found one 0-400psi digital but need to find a 184 ohm sender....

Last edited by matermark; Jan 3, 2022 at 11:26 PM.
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Old Jan 4, 2022 | 06:32 PM
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Sorry to take so long to get back to this.

The only way to safely run a Mech. Instrument in the Passenger Compartment (safely, the way NHRA permits) is with a Fluid Isolator.

Oil acts on the Isolator outside the Cabin...
A Hose filled with a Non-Flamable Fluid, enters the Cabin and acts on the Instrument.



Autometer 5282.
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Old Jan 6, 2022 | 09:19 PM
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Originally Posted by vorteciroc
Sorry to take so long to get back to this.

The only way to safely run a Mech. Instrument in the Passenger Compartment (safely, the way NHRA permits) is with a Fluid Isolator.

Oil acts on the Isolator outside the Cabin...
A Hose filled with a Non-Flamable Fluid, enters the Cabin and acts on the Instrument.



Autometer 5282.
OUCH!!! $158 + tax!

Plus the gauge... plus the tubing... Looks like I better find an electric gauge & sender or a $10 mechanical gauge & some floor mats!
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Old Jan 6, 2022 | 10:28 PM
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Low Dollar motorsports sells electrical senders for various pressures, you just need a gauge that can be calibrated to various sensors?
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Old Jan 7, 2022 | 12:01 AM
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Originally Posted by pdxmotorhead
Low Dollar motorsports sells electrical senders for various pressures, you just need a gauge that can be calibrated to various sensors?
I did find a couple electrics , one needs a 184 ohm sender... I think someone else had a 0-180 ohm sender... you think that'll be close enough? It was a digital gauge, 0-400psi. I also found an air psi dual digital gauge but they are up to 220psi...

I never heard of that place, I'll check them out. Thanks.
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