Development and Application of a Cycle for Evaluating Factors Contributing to Diesel Engine Valve Guttering 880669

Exhaust valve guttering is a corrosive process that takes place on the valve seat face. Detroit Diesel Allison Division of General Motors and Eaton Corporation have developed an accelerated test to gutter exhaust valves. The test was used to rank seven factors considered to be significant oil consumption, lubrication oil ash content and injector timing were found to be the major contributors to guttering.


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