Fuel Slobber RSS
Fuel Slobber & More
Fuel Slobber & More BY BRUCE C. MALLINSON POSTED IN: PERFORMANCE ZONE “Fuel Slobber” happens when diesel engines are started cold, and even worse when the ambient temperature is cold outside, as well. This was a common occurrence back in the 1970s and 1980s, when there was no variable timing on most of the Cummins engines. The 425-B Caterpillar did have advanced timing for cold idling engines, so the fuel slobber wasn’t nearly as bad. The STC-444 Cummins engines also had advanced timing at idle, so they were much cleaner, as well. Many owner operators would see the fuel leaking out...
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