Well, it's cracked. How bad is it?

Thanks guys. That's what I will do.

Also, I know it's not the popular opinion here, but after weighing the options I think I will leave the crack as is.

I put some pliers on the end of the crack and it is still very solid. It didn't move much, if at all. I think I feel more comfortable with that than grabbing hold and wiggling not knowing how big of a chunk will break off. The crack stops well below the point where the hole enters the block for the dipstick tube and from what I've read here there is very little stress here. I'm not saying I'm right, but I just can't bring myself to break it any more than I already have when it still seems pretty strong.

Thanks all for the advice. Much appreciated.

Excellent, it'll be just fine.
I was never worried about the crack at all, but only a possible loose piece falling off later.

And by the way, it would have broken right there if you would have done it. :D

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