yes, there is plenty of room for it, you will just have to change motor mounts if your car is a V6.
400 small block 2brl was the basic engine with a 454 big block optional
You can't... There's not enough steel in the cylinders to bore it that far. If you want a 454, you need to by a big block 454 Chevy engine.
Orange.
Yes.
Carefuly
180.
Many. 348 would be a small block, whereas the 454 is a big block.
There is such a thing as a 454 truck engine, also 454 passenger car engine.
its Chevy 454 Big Block Engine
yes you should have plenty of room in the engine bay. you probably will need to change the motor mounts and get a different tranny but other than that you should be fine.
yes
A 383 is a .030" over bored 350 small block with a 400 crankshaft. The 454 is a big block.