It was loud enough to make the girl and kids run out of the house and come see what the heck was going on

All three seemed a bit flabberghasted at the volume levels, it shook the whole shop. Probably would have been quieter outside, but I didn't feel like moving that whole redneck setup outdoors just to put it back inside a few minutes later.

I was wearing hearing protection

She'll be fired up again before dinner tonight.

Since it has stock heads and I can get the lifters out without pulling anything but the valve covers/rockers, I might go the extra mile and do a visual inspection on the lifters before pronoucing it ready to swap in.