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Unread 07-31-2011, 09:42 AM   #1
davbytrace
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1979 CJ7 
 
Join Date: May 2011
Location: clinton, MS
Posts: 479
Accuracy of Stock Temperature Gauge

Are there any specs on the CJ stock temp gauge. Mine has always run toward the H side but always in the green. Should I be concerned, or do they have enough design margin (i.e. read a little high) that it be considered good enough to protect the engine.

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Unread 07-31-2011, 10:19 AM   #2
Mike Romain
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1986 CJ7 
 
Join Date: Nov 2007
Location: Off the Grid in Chester Grant, Nova Scotia, Canada
Posts: 12,465
Mine ran slightly above half to pushing red on the gauge for years, then I got new cores for the rad that they said were 25% more efficient than the old style ones and they seemed to be right because the gauge then went to below the halfway point.
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89 YJ Renegade. BBD Carbed 4.0 HO. Locked front and rear with 33x9.5 BFG AT's
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Unread 07-31-2011, 10:31 AM   #3
kmm
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Join Date: Feb 2009
Location: Sanford
Posts: 307
I just added a mechanical guage to go along with the stock guage. Using a 195 thermostat and when the mechanical reads about 200 the stock is slightly more than 1/2 in green.
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