Anyone ever break a SBJ spindle at the upper BJ taper?

i've certainly seen (and done) some ball joint & suspension seat reaming, so i'm not gonna say no. but i don't know if i'd do it on the small upper ball joint spindle, there just isn't a ton of material there.

on the small joint set i have there's between .38~.48" of meat from the OD to the outside, compared to the big joint there is .50" or more all the way around.

so i guess the question is, how much would be left after reaming and are you comfortable with that amount of material?

like steve said, you're much more likely to bend an upper or kink a lower before breaking out a joint but i don't know if i'd be brave enough to test that theory.