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High exhaust temps

captnjohn

New member
I have a 6 cylender B series 2

I have a 6 cylender B series 210 h.p. and am experiancing high exhaust temps at rpm's below 1400. Have replaced raw water pumps as per Cummins but still have same problem. Engines have 1500 hours. I run the engines at 1650 rpm's and have no problem at that speed.
 
"Cummins 504 has temp of 190 p

"Cummins 504 has temp of 190 plus decrees at 2000rpm, is that too hot. If so, could that be caused by a bad Thermostat?"
 
"HI john,
High exhaust


"HI john,
High exhaust temps at low rpm can be cause by inj timing,inj nozzle drip,or fuel pump delivery valve problems.[ unusual].What do you call high??. Coolant temp will be effected by raw water pump flows but not exh gas temp [in small engines]. Cheers, Tassie.."
 
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