Now that something interesting has apeared I can't help wondering if a -77 block would do... How thick does the walls need to be? Gee, some guy might be happy when I tell him... He might!
Yes ive done it, a few years ago.
Guy drives it around in Maine.
4.04 bore, 273 closed heads with 1.88/1.50 mildly ported to 220cfm .470 Schneider solid cam 9.8 comp iirc.
Never runs hot. He was a member here.
Already posted pics on another thread asking the same.
Sorry you have to see the same pic of that 408 6 pac... some just love self felation.
