I was wondering if anyone knew whats kind of rear i should get for my 1969gto. right now it has a 2.56 peg leg. Im lookin for a posi i am lookin to run in the 11 12 seconds as a street legal car. it has forged pistol and a ram 4 cam and its borded to a 469 and has a aluminam intake manifold. Thanks so much for the help.