What changed in 73?

70 Buster 340 said
490 HP and a 'lid' of Gold would be like heaven on earth in 73.:rolleyes:

I was blowing 8 1/4 rears with 240 HP and a lid Oklahoma HomeGrown :BangHead:... 10 bucks for the weed and free rears under warranty. :D

Lol there’s a few lids stored in my spare tire.