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Old 01-07-2018, 03:56 PM   #16
Gregski
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Join Date: Aug 2014
Location: Sacramento, CA
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Re: 71 350 running hot coolant backup up problem

Quote:
Originally Posted by CaptRMW View Post
With your 195 degree thermostat you just added 15 degrees to the normal operating temp of your engine. 180 degree thermostat was original.
Where are you getting this information from? When I do a search for an OE replacement thermostat for a 1971 truck on AutoZone I get 195 degrees, I do the same for my 1974 and get the same result, I do it again for the latest 1986 square body and still get 195 as the direct replacement.
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