ET'S with ported J/or other iron heads SB

“We” is just semantics.......
He did most of the cam swap stuff himself.
I came by for the first and second one, then I showed him the stuff I felt needed checking, then he did all the rest of them.
We’ve tried at least a dozen cams in those motors through the years.

The one that went in the 350 is one we had tried in the 400 at some point, and felt like it was a bit too small.
It seemed like it would be about right for the 350, so in it went.