There should be a cable that screws in the back of the speedo and into the transmission, the motor size has nothing to do with it.
YES.
you can buy the gauge at any auto store or even walmart and there are directions with the gauge.
Pass., side, rear of the motor.
My Chevy nova is a 1976 350 automatic and the speedometer goes up to 100, i haven't tested for myself yet, its still new for me.
.045
My 64, with small block, and automatic was just under 2700.
194CI, 250CI, or a 283, unless you install new motor mounts, good luck
Fuse, switch, bad wire, or motor. In that order.
They make kits that will allow you to install one.
On my 72 nova the wire going to the blower looks to be purple.
how do you remove a steering column from a 1964 Chevy nova II it was originality a automatic car but is a 4 speed manual now