Billet Valve Cover and Catch Can: The Cummins Top-End Combo
A billet valve cover and a catch can are the two upgrades that clean up the top of your Cummins, one for looks and ports, one...
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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.
9 guides tagged Cummins
The Banks Monster-Ram: Fixing the Factory Intake Restriction
The factory intake plenum on the Cummins chokes airflow and feeds the cylinders unevenly. Here is what the Banks Monster-Ram changes, and every model by year,...
Read the guideWhy Your Cummins Needs a FASS Lift Pump, and How to Pick One
The factory in-tank lift pump is the weak link feeding your injection pump. Here is what a FASS system actually does and how to size one...
Read the guideBillet Valve Covers for the Cummins: Function and Looks
A billet valve cover is not just for the photos. Here is what it actually does for a built Cummins and the options we run, from...
Read the guideTurbo Drain Kits Explained: Sizing, AN Lines, and Doing It Yourself
A turbo needs to drain oil as fast as it feeds it. Here is how turbo drains work, why AN line beats the factory setup, and...
Read the guideCrankcase 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...
Read the guideBroken Exhaust Manifold Bolts on the Cummins, and How to Stop It
Snapped exhaust manifold bolts are a classic Cummins headache. Here is why the factory bolts let go and the stainless stud kit that fixes it for...
Read the guideThe Plastic Coolant Pipe That Cracks on Every Cummins (Single and Dual Radiator)
The factory upper coolant pipe on the 6.7 Cummins is plastic, and on the 2013 to 2015 dual radiator trucks it is a Y-pipe that cracks...
Read the guideCummins Transmission Lines: Why They Fail and How to Pick the Right Kit
The factory rubber lines and heat exchanger on Dodge Cummins trucks are a known failure point. Here is how they go and a full breakdown of...
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