I think my alternator is dying on my 73 FJ40 with a 79 2F and saginaw ps. The current alternator is a Toyota 27020-61012-84 that appears to be from 76 model and is discontinued. It has been the same alternator since at least 2004 when I bought it. The regulator is crusted over so no model number on that but looks like I need 27700-60080. That’s also discontinued. Does anyone rebuild alternators anymore? Should I just swap it out with one from Cityracer? Looks like they have a replacement regulator also. Is there an easy upgrade that I should be doing?