360 heavier then 318?

There is a engine weight table online and the 360 is 25 lbs more than a 318.

Mopar Slant Six 475
Mopar 273-340 "A" V8 525
Mopar 360 "A" 550
Mopar 361-383-400 V8 620 (5)
Mopar 413-426W-440 V8 670 (5) (10)
Mopar Street Hemi 765 (690 bare)
Chrysler M4 tank engine 5,244 (87) 30 cyl, 5 banks of 6, flathead, WWII

18V alternator is grounded internally or externally by wiring or bad regulator, bad.