Back in the day I ruined a couple sets of axles and wheel wells. I would never weaken the axle nowadays with plenty of big bolt axles available aftermarket. Talk with Dr. Diff.
The funny thing about science is that if you change one miniscule parameter you change the entire outcome to the way you want it.
I would never weaken the axle nowadays with plenty of big bolt axles available aftermarket. 
Talk with Dr. Diff. 
