Quote Originally Posted by Altec Best View Post
They have the metal phase plugs.The tangerines didn't come until almost to the H model the very end production of the G's got the tangerines.

I wouldn't guarantee that...I have seen 78 production with tangerines followed by 79 with metal...I think it depends sometimes on which parts box was opened that day.

There is a lot of overlap with the use of phase plugs...