I realize that this picture is not that great. However I was wondering if someone could tell me if this is a Planning, Displacement, or...
In one of my other posts you can read of the demise of my new (to me) boat's two 4-53 DD installed during a 1970's re-power. This gives me the...
A question for the Detroit Diesel experts. I have two 4-53's in the same boat with similar damage. Both engines will hold pressure on the fresh...