Re: 1979 F150 stock 9 inch info
"clamstrip fecadunker" <email@example.com> wrote in message
> 460, automatic
> I have not measured it yet but my feeling is it is a 4.10 or so.
> Would like to get a 3.0 posi but need to know how many
> splines stock axles have.
> Any info or pointers would be welcome.
Your truck should have 31 spline axels.
Most 31 spline axels have a round counter-sunk center, as opposed to a
larger Oval in the center between the lugs...