I have a 489 cased 3.23 suregrip... I am thinking of going to a 3.55, 3.73 or 3.91.
I am going to be running an 833OD 4-speed, so maybe it won't be too bad on the open road. My thinking is that I will have what works out to be a quick "3-speed" on the street... but running in O/D on the...