Lower ball joints wear out early. Door hinge pins and bushings wear out early. Idler arm and pitman arm joints wear out early.
It would bolt in but you would have fuel injection problems.
I did a search on google and was surpised to find that the S10 Chevy Blazer has tons of problems. The most common seemd to be with the transfer case.
Yes
An alternator from a 2000 Chevy blazer will fit a 2002 S10 blazer with a little fabrication.
Will a 2000 blazer transmission fit a 1998 s 10 chevy 4x4 truck
Yes
what does it do
forget about it
5w30
Describe the problems you are having.
Yes.
Yes, a 2000 GMC Jimmy hood is compatible to a 2000 Chevy Blazer. This is only on the S10 Blazer though.