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Recently freshened 400 in a 1979 firebird, new water pump, thermostat (160 deg) mr gasket thermo cap. My issue is the guage in the car reads about 240 degrees, driving around @50 or so, the guage on the cap reads about 140, now my question is does anyone think that seems like a large temperature differential? Im wondering if my car is really running that hot or if its a gauge issue?
Also if I want to use my multi meter to test the sending unit does anyone have the specs handy?
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Temperature issue
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- Pontiac Firebird Newbie
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Posted 06 August 2012 - 04:27 PM
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- Pontiac Firebird Tire Changer
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Posted 06 August 2012 - 04:28 PM
Stat in upside down? Air lock? Temps should not exceed the stat rating unless the ambient temps are extremely high.
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Posted 06 August 2012 - 05:03 PM
Your new cap is probably correct have your guage checked out, its probably gone bad. If you know anyone with a thermal gun point it at the waterneck once you know the thermostat has opened and see what it says. 240 too high, 140 too low..
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