Talk:Cummins M Series engine
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i got a question about an over heating m11 engin i got on my 97 fld. ....my mechanic told me it is normal for engin to run at 220 degree is it. i say ? so please can some one tell me is it or not. now im not that very new to driving trucks. and not very good as a mechanic. but i know that HEAT is engines worst enemy so please i realy could use some straite ansewer thnx. hk trucking owner hormez
Heat in combustion chamber improves fuel economy, I was taught in 4H, when I was 10. Going from 160 to 190 with a good thermostat, is supposed to be good for a 10% improvment in economy on a deisel. If the temp stays stable even after a long pull, the thermostat is controling the temp in the motor. The radiator has cooler water for the engine if the thermostat lets it flow. OLD retired farmer.
No, 220 degrees is to hot, thermostat opens fully before 205, and should never exceed that. —Preceding unsigned comment added by 216.81.193.253 (talk) 21:47, 18 September 2007 (UTC)
