the original driveshaft bolts are hardened I believe , probably decent steel, so Id look for the correct ones. dont use low grade ones anyway. in ( up to? ) 66 the center support bearing hung on 2 rubber donuts. in 67 it changed ot a larger rubber thign that encircled the driveshaft, you can swap if...

I stuck a Gm alternator in my 122 20 years ago. when I drive I see the red alternator ( well I guess it would be generator) light coming on. if I turn the headlights on the generator light goes out. like yours, mine did charge the battery fine so I ignored it for the past 20 years but it is on my bu...