Add your abody driveshaft length for quick reference

duster731 said
Im a little confused or just not reading it right but if I have a 904 / 7 1/4 how much shorter does my driceshaft need to be when I ad a 8 3/4 rear thanks

As best I can remember you need to shorten your drive shaft 2 1/4" when going from a 7 1/4" rear to an 8 3/4" rear.