the SB chevy conmversion was semi- common at the time . . . . . all the ones I saw or worked on had slushboxes, which great eased the installtion, but took away some of the essential fun, I thought . . . .
I see that you've backed away from this particular cliff -- putting a more powerful mill in that car today would, of course, be more complex legally, and I would crawl over that aged frame with a magnifying glass before doing so . . . . .
British Iron has it charms but the long term investment of time and treasure . . . . . my.