B4 / SC10 - ball or gear diff?

[Hog]

After managing to successfully chew the internals of 2 gear diffs in my SC10 on Saturday (my fault - not shimmed correctly) I slipped the last remaining spare ball diff in its case into the truck to see how it went.

Very well was the answer.

Got me thinking though - what's the best option? Do I stick with a ball diff in the truck (i.e. is it man enough?) or buy the internals to repair the gear diffs and stick one in the B4 as well?

I know I need a different gearbox housing for the B4 to put the gear diff in, and I believe a different lower plate too? Different sized main bearings as well I believe?