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C5 Transmission cooler temp sensor / T fitting

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Old 05-25-2015, 04:38 PM
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Level8Drummer
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Default C5 Transmission cooler temp sensor / T fitting

I'm trying to put together a transmission and differential cooler kit for a C5 Z06. I want to do something like DRM, but am going to have lines made at a local shop, and use different electric pumps:

http://www.rbracing-rsr.com/oilsystems.htm (opinions?)

My question is what size end is needed for the t-fitting to mount the transmission temp sensor into the oil fill plug, with the line exiting.

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Old 05-26-2015, 07:12 PM
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Last C5
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Originally Posted by Level8Drummer
I'm trying to put together a transmission and differential cooler kit for a C5 Z06. I want to do something like DRM, but am going to have lines made at a local shop, and use different electric pumps:

http://www.rbracing-rsr.com/oilsystems.htm (opinions?)

My question is what size end is needed for the t-fitting to mount the transmission temp sensor into the oil fill plug, with the line exiting.

Level8Drummer
You need a T with a 1/2" NPT male (goes into the tranny), 1/2" NPT female (for the sensor), and an AN -8 or -10 depending on what lines and pump fittings you decide on. I'd go with the -8.
Old 05-26-2015, 07:17 PM
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Originally Posted by Last C5
You need a T with a 1/2" NPT male (goes into the tranny), 1/2" NPT female (for the sensor), and an AN -8 or -10 depending on what lines and pump fittings you decide on. I'd go with the -8.
You may have to settle for a more standard 1/2" NPT T and use adapters to get to the AN fitting.
Old 05-26-2015, 10:58 PM
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Last C5, thank you!

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Old 05-28-2015, 09:15 PM
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yow
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I'll be very curious if you do a parts list and DIY on this. I want to put a cooler kit together but don't have the time or ability to invest in the R&D. I don't want to spend the big bucks to put a DRM/GM kit in. (I'm also not going to w2w my car so I don't think I can justify the expense.)
Old 05-29-2015, 02:31 PM
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Yow, I'm on it!!!

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Old 05-29-2015, 03:09 PM
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I've seen those pumps before, I'm really interested to know if anyone has used them over the Genesis/Tilton diaphragm pumps and what their experience is...
Old 05-29-2015, 08:11 PM
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Bill Dearborn
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Why not install a thermocouple switch on the case like the GM T1 Transmission Cooling System uses? Set it up to turn the pump on when the case temperature hits 180 to 190. Just drill a small hole in one of the transmission flanges close to the main case and let it do its thing. Mine would come on after a few laps around the Glen or if I was on a couple hundred mile road trip.

The GM sensor part number is: 12480087 Thermal Switch

Bill

Last edited by Bill Dearborn; 05-29-2015 at 08:13 PM.
Old 05-30-2015, 06:06 PM
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RX-Ben
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This switch will also do the job:
https://www.pegasusautoracing.com/pr...sp?RecID=10285
Old 05-30-2015, 11:05 PM
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I am doing something very similar, but I want to keep the pumps protected from the elements...I was lucky an obtained 2 Weldon 9200-A pumps for a good price. I was thinking of installing the pumps down in the trunk well of a C5Z behind the diff. Has anyone tried this?

My only concern is that the fluid levels in the diff/trans may be slightly lower than the location of the pumps.

Does anyone have experience with mounting pumps in this location?

I have looked for the fittings and have found most/all available from summit. Another challenge I have, due to lack of experience, is figuring out how to easily change fluids and ensure that they are at the correct levels. On the tranny, I suspect the key would be to remove the temperature sending unit from the T-fitting and fill until fluid escapes. Perhaps a similar setup would work on the diff, but that T-fitting has been somewhat elusive.
Old 05-31-2015, 07:54 PM
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Originally Posted by RX-Ben
Yes, but it has to be exposed to the fluid thus plumbed into the trans cooling circuit with a T or something similar. The GM switch was bolted to the outside of the trans case.

Bill
Old 06-03-2015, 02:35 PM
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Great info! Thanks guys

Level8Drummer
Old 06-06-2015, 01:11 AM
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Best i can figure here's a decent parts list... Still $500 and you have to make lines get brackets etc... YMMV

The Genesis Pump can be obtained from amazon for $209 also


Old 06-07-2015, 03:57 PM
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Old 10-19-2017, 05:36 PM
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Default Old thread re trans temp monitoring, inlet

Per Last C5; You need a T with a 1/2" NPT male (goes into the tranny), 1/2" NPT female (for the sensor), and an AN -8 or -10 depending on what lines and pump fittings you decide on. I'd go with the -8.[/QUOTE]

I got this from local supply house
Amazon Amazon

But my hose end is -14 , which is apparently no longer made. so that inlet is going to be dicey if youcan't find a -14 to 1/2 inch pipe. But I breathed a sigh of relief when the guy cam e up with this
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Old 10-21-2017, 09:42 AM
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Hi Volts Z06
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Originally Posted by touring2
Per Last C5; You need a T with a 1/2" NPT male (goes into the tranny), 1/2" NPT female (for the sensor), and an AN -8 or -10 depending on what lines and pump fittings you decide on. I'd go with the -8.
I got this from local supply house
Amazon Amazon

But my hose end is -14 , which is apparently no longer made. so that inlet is going to be dicey if youcan't find a -14 to 1/2 inch pipe. But I breathed a sigh of relief when the guy cam e up with this[/QUOTE]

I don't think that's a -14 line. A -14 is 7/8".

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