Should I buy some Moser 31 spline 4 lug axles for $150 from one of my friends or will the 28's do just fine?I don;t know if they are used or not but he has the boxes and i know that they have been placed in his rearend but never drove on.I plan on running a 331 stroker with ported heads and intake and around 10:7:1 comp and a nice custom grind cam would this be eough for this combo.Im not gonna but any dr's or slicks on my car untill i get a new tanny so sould I wait or get them now.