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Still a winger at heart.
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There are so many smart fellers out there... I am wanting to ask for some guidance on my wife's 70 mustang convertible... If the moderators think this is too far off, and want to delete it, I wont fuss...:crying::crying:

The car has only 70k miles on it. It was running way too hot, with the temp rising with the speed. I pulled the radiator, had it rodded out, re-tanked, and while at it I replaced the water pump, thermostat, hoses, and the radio knobs. Wait, not them.

Anyhoo, it is still showing high (with the same climb in temp as speed goes up) but the thermometer that I put in after a drive shows 160 degrees. I am suspecting the guage or sender.

Any thoughts y'all?

Gracias!
 

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I hope you got it fixed by now, but you didn't mention if you had replaced the radiator cap, that has caused allot of overheating problems with cars, most people forget or replace it with the wrong psi rated caps. Just a thought!
 

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Not to mention if its too little PSI rated, it will get hot and overflow into the overflow bottle.
You should be at 13 psi or a little more for that motor.
Try checking the rear of the gauge for a loose connection/ground .

Change the temp gauge with a temporary one & see if it does it still. Can pick one up at wrecking yards.
 

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More than likely you have a bad sender. The gage only goes by what the sender sends, if the gage was bad it would either be stuck, not working at all, or all the way to the end of the scale.:waving:

Gene:clapper::11red::11red::11red:
 

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Still a winger at heart.
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The sender is the next thing to go. Thanks all... Its nice to have some extra input... I verified the psi on the cap last night. Its a 12-15...

:bowing:
 

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Snder. Cheap and easy. Guage is harder to change and more expensive. Start cheap.
 

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Test the sender, pull it out, hook it up with a pair of test leads and dip it in a pan of boiling water. That should show up somewhere near 3/4 deflection on the meter it will give a quick check on both. Does your gas gauge work okay, if not it might be the instrument panel voltage regulator.
 
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