Technical & General Discussion Area > Tech Torque Pre 1973

Temp In Relation To Gauge

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Shep69:
Does anyone have a 69 and could tell me where the temp gauge needle sits when the engine temps at 190deg F / 88 C .
TIA

jiffy:
Can't tell you that, but if you pull the wire off the top of the sender, what colour is the sleeve around the electrical post - green, white, red or black?





for a '69, it should be red.


scollist:
From other googling it looks like 190 degrees is the standard thermostat (at least for a 351W).  If this was the case I would want the needled to be just over half way when this point is hit.  That way if the engine is getting hotter (say on a 40 degree day) and not cooling well you will see it go higher (I expect that it would max out somewhere near 220 degrees - and if it up there you want to know  about it!!).

If it was at half or a bit less that would be okay too - get yourself one of the Laser Thermometers so you know what temp it is at relative to your gauge.  E.g. https://www.ebay.com.au/itm/284361017175?hash=item42353cc757:g:eYUAAOSwxqlg-3V8

GEOFF289:
Or get one of these and have peace of mind. Tells you the block temp rather than the coolant and you can set the alarm to warn you when things are getting too hot.

http://enginewatchdog.com/

Even operating correctly the gauge tech in these old cars - a '69 may be better than my old girl - will only tell you a vague story at best.

gbader:
went through similar with my 66 - I grabbed a cheap gun to check - https://www.ebay.com.au/itm/224611432867?chn=ps&norover=1&mkevt=1&mkrid=705-139619-5960-0&mkcid=2&itemid=224611432867&targetid=1281061181885&device=c&mktype=pla&googleloc=9070591&poi=&campaignid=12499394789&mkgroupid=122823694276&rlsatarget=pla-1281061181885&abcId=9300512&merchantid=7364522&gclid=CjwKCAiAv_KMBhAzEiwAs-rX1IOg1UhK7C5g4YcuEYC0Fqv7wU6aRPBO9_NUdPZSwYetvQWo4ucpHxoCZhwQAvD_BwE

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