High oil Temp

[jqrjr]

I have a 1988 WLWB 8v92ta (1986) 475 hp..I have started having problems
when I run about 1900 2000 rpm the oil temp runs up to well if you know
the guage approx 260 - 270,when this happens the cooling temp runs up
to. There had been a washer in the intake for the water pump, I don't
know why but was there. The temp runs up then gets to about 280 oil
temp and seems that the thermostat open and then there is a big drom in
both cooloing and oil temp then they start to increase again. Took it
to Detroit Diesel they do not seem to have someone whom knows these
engines very well. The fellow who work on it was born in 1980.

Jim Riordan
1988 BB WBWL
772-260-1328