Ian,i don't know if you were refering to me,but if you were my duster with the 416 stroker gets 60' in the 1.40's..with my 360 in the 1.60's..i had 3.91's in it with the stroker.4.30's now with the 360..this with nothing more then a set of old h.d. leaf springs with the rear clamps removed,pinion snubber and a set of Summit race shocks...