HEHEHEHEH :-D. no since its the same caprice alternator it's available and even all mechanical parts for camaro are available. but the external parts,,,,,, my passenger mirror is broken and i fixed by my hand i wonder if i can use Lumina 1996 mirror dose it have the same screws and electric plug?
and i fixed it cus it costs $30 and the new alternator costs $200.
by the way i read that there is 2 kinds of alternators : 200AMP and 120 AMP

 

is your sound anything like this:

YouTube - ‪LT1 squeaking?‬‏

YouTube - ‪LT1 squeaking? pt. 2‬‏

 

I think it is a lifter making a "pecking" noise. At lower rpm, and hence lower oil pressure, it just doesn't have enough oil pressure to take the slack.