Bitter taste of defeat! So much coolant in the oil pan.

Trevor B said
67Dart273:
I feel like I should have ruled out the timing cover in my previous test, where I had the timing cover off entirely, and did what you suggested: water holes in block plugged, pipe-dope coated bolts in the timing cover bolt holes, etc. When I poured water into the thermostat hole on the intake and saw the stream coming out through the oil pan (still), that's when I decided to pull the intake manifold and replace the gaskets. :banghead:

I wonder if it is time to pull the engine out of the car... don't know if I can stomach doing all this all over again in the driveway! Pulling the oil pan with the engine in was a bear.

Missed that. (Sigh)

"Pull engine?" What makes you thing it's not the heads?

And as Rusty said you should do an air test in the cylinders. Pull off the rocker gear. This leaves the valves closed, and the piston can be at the bottom (When you put the air to them, that's where they will go, unless the piston happens to be at TDC. For this test, bottom is what you want in case of a damaged cylinder wall)

Put air into each one. If you can get water in the block, you can look for bubbles as well