Re: Water pump theory question

[wetwillie]

Wow! Although I appreciate the additional info I’m certainly not very happy with what I’ve just read. Especially the possible explanation for the pulses I felt at the elbow.
To answer your question re: the engine getting hot. I allowed the head to get hot to the touch before shutting it off. Nothing ever came out the indicator, not even steam. ALL the paint on the head and block looks great. NO indication of overheating in the past.
I was unable to get close to working on the motor today. Too many other tasks with higher priority. Getting to it tomorrow looks like a possibility, at best.
FWIW, the motor has never seen salt water and looks practically new. I did find the drive key when I removed the impeller. I thought it odd that there was no hole in the driveshaft for it to go into but I recessed area instead. That would explain why the replacement I ordered includes the piece that goes in that recess. None the less, the impeller was moving with the shaft.
Please include a link to the diagram or parts list you referred to.
To be contd.