I have never said 14.8 is correct for a P38, I have said that up to 14.8 is OK with lead calcium batteries. I've never seen even 14.5 on a P38 but it wouldn't worry me if the alternator is OK.
Somebody thinks you did. See posts 17 and 18. The poster is post 17 attributes the comment to you. Then in post 18 you attribute it to me. Maybe he has misread a discussion on calcium batteries.