One of the coolant ports was filled solid and the one next to it was 3/4 plugged. Aye carumba! What's a good cleaning method? I was going to say soak it in biodiesel for a few days but I might get shot for that!

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"Opportunity is missed by most people because it is dressed in overalls and looks like work" - Thomas Edison-
1979 300SD
1975 450SL
2014 Ram Cummins Megacab (tow rig)