Auto and 4speed crank

Can anybody get me up to speed on how
to tell the difference between an auto crank
and a 4 speed crank . I have a 4speed A-833
In my 70 and I have always have had trouble gettin
trans to slide all the way in to bell housing usually
about3/4 -1in so I normally just put bolts in bellhousing
And wind them in evenly all the way around I started getting
Clutch drag which i think I have that taken care of (sent pressure plate
Back to hays ) did not find that shaft tip
Has any discoloration from heat so I don't think
it's hitting crank any help measurements or anything
Would be a great help thanks