I wonder if you could pull the shafts and diff gears and have the shaft heads cut back and say “41” spline ends welded on and “41” spline diff gears cut - would cost a pretty penny for sure but I’m sure would add some strength... but there’s still the trans and transfer case to contend with... and I’m sure any mods to it would cost more than another good used E53 [emoji50]

Never opened the bottom end of one yet, but I’d be curious if you could main girdle a 4.4/4.6, hmmm


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