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Old 11-03-2012, 07:53 PM   #1
old Rusty C10
Robert Olson Transport
 
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Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,310
Diesel question

My 6.2 has a problem that im hoping is an easy fix. Its a CUCV . I start it cold and for a while it runs with an exhaust valve that i think is stuck open as exhaust backs up through the intake and you see puffs of smoke coming out the air cleaner.During this it misses and doesnt want to rev up past 2000 RPM. Usually after it warms up this goes away and it runs good..
The truck has just over 30K on it
Is there something i can run through the motor in the oil or something that is a quick easy fix or am i looking at a major job rebuilding heads or the motor?
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1951 International running on a squarebody chassis


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