The Myths & Realities of Using Pipe Dope on Threads
Article By: Rob Schepis Much too often on the boating technical forums the questions are asked about installing zincs and the risk of using a pipe dope. The concern is that anything other than clean bare threads may “impede” a … Read More
Engine Oil Myths
Myth: Small, higher revving engines run hotter than larger engines. Fact: Not so. Engine temperatures depend more on the number of accessories operating, vehicle weight, driving conditions, ambient temperatures and condition of the cooling system. Myth: SAE 20W-50 or SAE … Read More
Propping a Cummins Mechanical Diesel Engine
Mechanical engines, due to the nature of the mechanical, non-isochronous governors, must be propped solely on the attainable engine speed at full throttle, steady state conditions. Unlike electronic engines governors which have a precise, predetermined, and consistent governor set point; mechanical engines … Read More
Sending Unit & Sensor Locations for Cummins Marine Diesels
The following pictures will help you locate your engine sending units (senders) & sensors on your Cummins Marine engines. 6BT / 6BTA 5.9 6CTA 8.3 (Mechanical) QSB 5.9 QSB 6.7 QSC 8.3 QSL 9 QSM 11
Which Way Does My Engine Turn?
One will find that much of the confusion in the marine industry as to Right Hand / CW, or Left Hand/CCW rotation may have its roots based on the early definitions used by the Detroit Diesel Corporation (from just before … Read More
Installing shafts, logs, struts & rudders with your favorite engine & transmission – Part 1
Introduction Replacing a propeller shaft, shaft log, strut, or rudder, one at a time is a fairly straight forward job as you have a “given” as to exactly where one of these pieces is supposed to end up and probably … Read More