Ford 9 inch rear swap

[pennyman1]

it will work but will need to be narrowed. another alternative is a 9" rear out of a montero 92-99 - they are stronger than a ford 9", need no narrowing, have disc brakes, and can be found with air locker diffs. Only disadvantage is most of them are 4.63 ratios, but 9" ford diff gears may fit.

[340D]

I had a narrowed passenger car 9 in. ford under my D50 and broke one of the caps that holds the spool in. If you are making a lot of power I would put a nodular iron center section or a after market one in it. I am thinking about buying one of the Strange aluminum center sections.

[TOASTY]

it will work but will need to be narrowed. another alternative is a 9" rear out of a montero 92-99 - they are stronger than a ford 9", need no narrowing, have disc brakes, and can be found with air locker diffs. Only disadvantage is most of them are 4.63 ratios, but 9" ford diff gears may fit.

X2 on this, this would be the strongest cheapest axle and most likely come with an air locker as a bonus. Matching lug pattern and disc brakes should be worth it on it's own but if you want to sweeten the deal find one out of a 3rd gen Pickup/Montero Sport ('97-'99) it has the same leaf perch spacing so even one less thing to do. Trucks with 3.0 V6 have 9" diff with 30.5mm 28 spline shafts and trucks with 3.5 V6 have 9.5" diff with 33.5mm 31 spline shafts. Commonly found ratios are 4.27, 4.63 and 4.90 with the higher ratio (lower numerically) being the cheaper ones.