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1977 will not reach operating temperature

 
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danewill924  



Joined: 12 Oct 2020
Posts: 2
Location: Trumbull, Connecticut

PostPosted: Sat Oct 17, 2020 12:11 am    Post subject: 1977 will not reach operating temperature Reply with quote

hello, i have a 1977 and the temp gauge only reaches the quarter mark, even at idle in traffic. i put a brand new thermostat (OE temp) i know there are two available for this car. im thinking the car will be dumping more fuel since the car thinks its cold. is this normal for this 2.0 liter to only get to a quarter on the guage? never seen any car do this without a problem... thanks in advance.
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MikeJinCO  



Joined: 08 Jun 2010
Posts: 937
Location: Maysville, Colorado

PostPosted: Mon Oct 19, 2020 7:27 am    Post subject: Reply with quote

I'd go checking some cylinder head and thermostat housing temps with a infrared thermometer before I got too radical,my guess would be that they should be over 150-160 degrees, I am getting to not trust the gauges and wiring that much. My voltmeter shows almost a full volt lower than the battery. I spent a couple of hours under the dash chasing that one.
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Mike
Poco a Poco, #033 '78 Vintage racer, SCCA Dp-81
'77 924
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Rasta Monsta  



Joined: 12 Jul 2006
Posts: 11396
Location: PacNW

PostPosted: Mon Oct 19, 2020 7:53 am    Post subject: Reply with quote

Saying a CIS car "thinks" about operating temps in relation to mixture is giving it way too much credit.

+1 on the IR temp assessment.
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  • Wei´┐Że (1987 924S) - 931 S3
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