Crankcase Blow-By and Why Your Cummins Needs a Catch Can
The factory crankcase vent dumps oil and vapor right back into your intake. Here is what that does over time and the catch can kit that...
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Tech guides
Diesel tech guides
What fails on Cummins, Power Stroke and Duramax trucks, why it happens, and the part that fixes it. Written by the people who do the work.
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