Hey, I hope this is not covered elsewhere, it must have been but I cannot find it. I am rebuilding a 1951 Canadian 9434 which I believe is the 3/4 ton. I am in the process of replacing the rear suspension pins and the springs are away for refurbishment. The rear is a very low ratio 5.12:1 or thereabouts. I understand that this is the Eaton rear axle HO70 I think and that later 67-72 3/4 ton chev truck 4.1:1 differential will fit right in there, the coil spring auto version apparently. I have read somewhere that the same axle is fitted to fords of the same era.
I'm wanting to keep the same axle but raise the ratio. I'm in the UK and have no issue ordering from USA but would really like some specific info to allow me to use Rock Auto or some other supplier to get all the parts I need to make the change, I would love to get the whole snout assembly to make the swap easier too. I will try and attach some images of the differential.
I'd really appreciate some help on this or pointing in the right direction.
