Will a 1970 440 from an automatic transmission car bolt up to a 4 speed? I;m thinking there might be pilot bearing issues

Previous responses

440 Auto to Manual

I guess thats my answer thanks!

Will the two trans bolt to each other ? No
If your asking about putting a NP 833 4 speed into a car with a 440 automatic motor that was never a 4 speed car or had one in it to start with it is doable, but not easy
Dang some of them Mopar engineers anyways
I did a six cylinder 3 speed car conversion to a 440 with a NP833 O.D. swap last year in a 1966 Dodge Coronet Deluxe two door sedan, I had to add the 4 speed hump which was the major part of that swap as it already had the clutch pedal in it
Good luck on yours

I've done it, but it's not easy. You need to cut about 1" off the input shaft of the A-833 transmission (cut right at where the bushing wear mark begins) & use a pilot bearing in the back of the engine.

In my case, the crank was partially drilled.

In many cases the hole in the back of the crank is large enough. Some cranks will have a pilot bushing already installed, sitting in front of the torque converter nose. What if you do not want to cut the input shaft? If it is accessible, and the hole isn't big enough, it may be preferable to drill the back of the crank rather than shorten the transmission input shaft. As it is not a precision operation one could use a hand held drill.

R.

I used the 53009180 pilot roller bearing shown in the link posted above by CrazyD for the 440 that's in my dad's road runner. It's a '72 block and forged crank w/ an 18 spline 4 speed behind it. Been that way for about 10 years now w/ no issues. Just drive the bearing into the converter hub of the crank.

A pal tried that & broke a wrist.

A safer way is to use a small magnetic drill press. (rent one if needed) Mount the flywheel to the crankshaft & use it as the 'table' for the magnetic drill press base.