i have a 40 ford pickup with a 425 olds engine, a 400 trans,and the olds rearend in it at this time. i want to put in a mustang frontend(ifs), change the trans to a 200r4,, and put in the 79 linc vers rearend with disc breaks. i think the rearend geard anr around 2.8 to one. it will be running...