OK we all know that every tires have a load rating:

http://www.tirerack.com/tires/tirete....jsp?techid=35

Whats the minimum requirement(stock one) for an f-body?

Can 95(1521 pounds) for a zr tire is good?

Thank you

 

Look for the gross vehicle weight rating, usually referred to GVWR. I think it's a sticker near the driver's door somewhere. Divide that number by four and you'll get a good minimum weight rating for a tire. Anything over 1200 lbs. should be good, under that would be risky unless you never pack your car with things/people.