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View Full Version : water temp - 170/180 or 200/210 range ?


1965LONEWOLF
04-07-2007, 06:37 PM
whats the best water temp to have a 3nd generation ? i had 200/210 and i put on a new thermostat and i cut off the two little brass things and now its reads about 170 - 180 , is that good or should i be running it hotter ? i'm taking my diesel guys opinion but have a bet going with my brother-in law:thankyou2:

doug60
04-08-2007, 10:33 AM
180 thermostat / Freeze plug

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In fear of popping the freeze plug, I removed the two bars bells off my 190 stock therm.
The result was , (Never got past 170 at highway speeds) 35 /40 degrees ambient
So I picked up a 180 & only cut one barbell off.
Temp reach 180 in a reasonable amount of time.
Cummins had told me A few years ago, that the optimum water temp is 180.
Do you think 180 is hot enough the achieve peak efficiency??
Do you think the removal of 1 barbell only is enough to keep the freeze plug from popping out??
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