I thought you might be interested in the post in the Giulietta forum, regarding flow benches etc, by a Don Martin who is Swedish. He's building a FIA Appendix K engine and seems to know his stuff.
It's at https://www.alfabb.com/bb/forums/giu...-engine-3.html
My Sprint's still in pieces, too busy with other stuff to do anything on it at the moment.
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