Well I got the stang yestarday,first problem with it is the fuel meter i only aded 5 gallons of fuel and it says its full,could it be the float is it eazy to change?.Thanks guys for all your help yeah i think the posi is still working it only schreches the tire but it dont let it slip.the car has 169,000 miles on it,motor runs great it idles great it dont even shake the tranny too shift fine but i dont know if it is normal for the tranny to go on over drive quickly anyways,now those gears ya were talking about the 3.73 and the 4.10 whats the diference n what ya recomend?