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1972 Valiant temp guage questions.
https://www.slantsix.org/forum/viewtopic.php?t=29341
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Author:  HyperValiant [ Thu Jun 05, 2008 9:11 pm ]
Post subject:  1972 Valiant temp guage questions.

I think that the temp guage in my Daughters 72 Valiant may be reading a little too much to the right hand side of the guage.Does anyone know where approxamatly 180-195 degrees shoulbe on the factory guage?
I thought that the engine may be running hot but I used a infrared thermometer and shot the water in the top radiator tank and it read 177-185 degrees and then shot the thermostat housing and it read 187-195 degrees ,seems like normal temps to me and the coolant is flowing well and not puking out the overflow hose and I can take the cap off while running with no gushing or pressure build up,also there are no bubbles at all in the coolant while running.
I have already installed a new sending unit and the thermostat is a practically new 180 degree Stant.The temp guage reads on the second small mark on the guage about 3/4 over on the face.
Any help is as always very appreciated.
Thanks
HyperValiant

Author:  SlantSixDan [ Fri Jun 06, 2008 8:44 am ]
Post subject: 

How's the accuracy of the fuel gauge?

Author:  '72Jim [ Sun Jun 08, 2008 11:21 pm ]
Post subject: 

Mine's a 318 and the temp indicator pointer is just a needle width past even with the lower index of the arc when I'm indicating 180-185 with themometer in top tank and IR reading at the thermostat housing. Don't know whether this factory design spec or not, but works for me. Hope this helps.

Author:  HyperValiant [ Tue Jun 10, 2008 8:05 pm ]
Post subject: 

Dan,I apolagize for not getting back to you but have been away from the computer for a few days but found that the car was actually running hot.I tested with a aftermarket guage and it read about 220 after a long idle session.
I traced the problem to a semi-stopped up radiator and have a less stopped up radiator in for the time being until I can lay hands on a new one.
Thanks for your help
HyperValiant

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