You can for sure fit a 350 V8 with the conversion kit. You should be able to install a 383 stroker.
Till they rub
It depends on how big your wallet is.
no way i tryed that swap and didnt work ecu computer changed
If you're talking about an S10, yes.
No.
under the intake
Two.
yes it will
check your answer
Yes
As big as your wallet can handle.
Maybe, as long as both vehicles had the 2200 4-cylinder engine. The S10's motor might be slighty different tuning wise because it was used in a truck. Even if both motors are OHV 2200's they still might not work due to the fact a S10 is RWD/4WD and a Cavalier is FWD.