Captainkirk's Duster project

Funny thing, Rog.....It's been so long that I really don't know any more!:-?
The condition you are experiencing is called "old". If you plan to cruise a lot, the 3.91 will drink the ga$ . . . better with 3.23 ish. I know, I have a 3.91. It's your car . . . whatever floats yer boat. Rog