Should take aprox 30 ounces of freon.
Bleed off some freon until you have the right numbers. This should be done by a qualified ac mechanic with equipment to reclaim the freon.
You can use main bearings on a 1995 Chevy S10. The bearings can be purchased at most auto parts stores.
1.75 pounds or 28 oz
If you have the 4.3 L engine, no.
No it will not SORRY.