Huh, didn't know he was banned. Well good thing, that way he can't rip anyone else off.
The coolant ports are sealed off, with jb weld. Yea that's what we did before with the straight edge, we got it a little flatter, then thought it would be alright with a bunch of rtv to seal it up (we used orange/red? though). It was definitely leaking from the core, the back of it was wet and coolant puddled in between the valve cover and intake manifold on the back of the motor... I filled the core and the pump was running while trouble shooting, and when I took the core off it was almost empty..