i have a 741 in car right now but got a line on a 489 3.91 posi but it has big yoke ? is it hard to change to small yoke or can u just get like an oversized u joint?? or would it just be easyier to change drive shaft??
hi just looking for some opinions? i am getting my 67 notch backl painted in january and it has vinyl top thats is pretty good shape should i leave it with vinyl top or not???????????????????
hi i want to change my rear end gears to something lower its 340 with 727 tranny 8 3\4 i am thinking 3.91 is that to low?? whats ratio is between 3.23and 3.91