I am 75 and starred working on cars in 1965.
You would wise to read this book: “Trailer Life's Rx for Rv Performance and Mileage Paperback” It is one of the best books on what to do.
https://www.amazon.com/dp/0934798060/
It covers cams, carbs gear ratios ETC.
I am building a 383 for a 93...
As in title Looking for 1960s/70s TH400 Rear slip Flange, used with those old CV double cardan ujoint drive shafts.
I have found them originally in 1960s and 70s Cadillacs.
I once put a Switch Pitch Torque Convertor TH400 out of a Cadillac into my then 74 Chevy G20 van and we also used a full...