vacuum numbers indicate the mechanical parts are in decent shape...
having the MAP sensor exposed to the atmosphere, vs the intake manifold,
First silly question.... Where is the manual release for the tilt and trim, my motor is stuck in the up position and I need to get it down
I didn't check your link but the Stant documents I've found in the past are excellent at explaining the hows and whys with closed cooling.
Took the "new to me" old Chrysler OB out for its first test spin. It cranks 1-2 pull. It idles okay. It putts along at a slow troll speed
Intermittent overheating @ higher RPM's. This thing will run nice and cool one day and then the next it will overheat, alarm out and shut down. I can