no you cannot. most engines .06 overbore is usually the safe limit. on a 350 .06 only gives you 10 more cubic inch. to get to 400 you would need to bore and stroke it. which gets very expensive. youd be better off looking for a 400 from a donor vehicle.
yes
Yes.
yes but it has to be 83 or newer
No. The 400 is externally balanced and requires it's own flywheel.
No. Standard 350 engines have 4.00" pistons, standard 400 pistons are 4.125".
it is a 30 over 350
It should work well.
its about 350
The main journals need to be turned down.
a 400 small block Chevy has a 4.125" bore.
no