99riocobra said:they will definitely handle a lot of abuse. i ran my stock 99 irs w/ my eaton for about 4 months. no problems at all. i think Double"O" (Kenne Bell) ran his stock 01 shafts for quite sometime(he may still be on them now).
yep still on em!!!...they have about 30 passes on them (12 of them with the blower and DRs)
plus numerous hard shifts 6500RPM+on the street...still on the stock tranny to boot LOL