I only have one stick car and it's already a 4 speed.

A local garage owner is helping his cousin upgrade a 71 Duster. Nice car.

A s/b stroker and an 8 3/4 but it has a three speed (floor mounted)

How difficult to change over to a tried and true Ma Mopar 4 speed and what parts will they need? (A clutch and new flywheel will be necessary too)

These guys a mechanically sharp, they just haven't done any early Mopar stuff. They even tossed out a Chevy guy who bad-mouthed the build. Ya gotta like that!

Pretty please, don't launch into a sales pitch about aftermarket 5 speeds or overdrive automatics.

I'm asking here because this is where the sharp razors hang out.

Thanks in advance.