3/8-16x1 1/4"
yes
Yes it will bolt right up.
There are numerous bolt sizes used on the transmission.
Yes it will
Yes, as long as the transmission has the Chevy bolt pattern.
Yes it will, Direct bolt up.
YES, That is no problem, it will bolt right up.
as long as it is a chevy bolt pattern th400
Yes it will, it is the same bolt pattern.
13 mm
NO it will not. The V-8 and V-6 transmissions are a different size. Will not interchange.
It may bolt to the block, but the plugs, driveshafts, etc will not fit.It may bolt to the block, but the plugs, driveshafts, etc will not fit.