my o1 f 150 has 8.8 front and rear.. depending on the year and engine you might have a 9.75 they are strong.. as for the front you sholud already have a 8.8.... the dana 50 has a bigger ring and pinion and has the same size axle joint as a dana 60...
be careful of the dana 50. its nothing but a dana 60 housing with dana 44 parts. your better off keeping the stock rear axle. the stock rear axle in an f150 has a 9.75" rear differential. for the front axle you could use a ford nine inch or even u...
i have what u need!!! i got both front and rear ends out of a 03 f250 super duty.. they only have 21k miles on them.. the front is a dana 50 and the rear is a sterling... i will check but i thank they have 4.20 gears????
I would find some axles out of a superduty front and rear so that the gears will be the same and 3/4 ton axles will be alot stronger, plus a dodge axle in a ford????? You have alot of fab work when doing 4 link front and rear into a 4 link setup b...
hey man read the comment about solid axle swap, good idea hope you have a big chunk of change, are going with ford axles or chevy? i would lean towards long travel leaf springs, if you do more mudding than rocks.