How to Torque a Cummins Marine C-Series Cylinder Head
Post 1991 – Used Cylinder Block and Used Cap Screws The top of the cylinder head capscrew is identified with an angle marking. The cylinder head capscrews must be tightened by the five-step “torque plus angle” method, as described … Read More
Cummins Marine 330B 370B Diamond Gear Cooler upgrade
330-370 Diamond Trans Cooler upgrade “Plug & Play” replacement for both the early ( 1.5″ water barbs ) or late 330/370 Diamonds ( 1.75″ water barbs)
Vibration Isolator & Engine Mount Views
This is how they should look – All in plane and not pre-loaded using parallel mounting surfaces. These mounts are in a 9 year old boat that has had OK care. At least the builder did a decent job on the mounts and … Read More
QSM 11 Prop Curve – For Exhaust Manifold Health
Complete the information above in GREEN. It makes NO DIFFERENCE what the rating of the QSM is. Exceed these GPH numbers at these RPM’s and things go South quickly. This is where the “dry QSM” needs to be to keep the … Read More
