Thanks for the responces,the motor is a DAS all cylinders are sleaved so I dont think I have cavatation.I did replace the water pump once,and I did dope the bolts.I ordered a gas combustion test kit,will post back.....thanks Robert
This is my first post on this site.I have an 89 f-250 with a DAS motor with about 100000 miles, run good.I got my oil sample back and there was some small traces of coolant in the oil,also the lead content was high.Was told to change the oil and send in another sample in 1000 miles.I have been...
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