well, if we assume 6700 RPM red line, 3.55 rear-end, .68 6th gear and 26" tire diameter that gives a theoretical top speed of 215 MPH. a 4.10 rear-end would bring the top end down to 185 MPH.
hard to guess about 0-60 and 1/4's. too many variables to consider. just for grins, i'd bet with the...