I'm kind of late to the game here, but a Saginaw 4-speed out of a Camaro or S10 will bolt to the bellhousing, then add a T&F Shifter to put the shifter back in the stock location and have your driveshaft made to fit.
Mike B
Mike Boteler
1956 Chevy 3100 Resto Rod 1952 Willys M38 Army Jeep 1983 Jeep CJ7 Laredo 1984 Jeep CJ7 +++++ Silver Spring, MD