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Originally Posted by ChevyHighPerformance
To strengthen the LS1 f-body rear ends when going to 4.11's many of us used the ratech solid pinion to replace the crush collar and a diff cover with bearing supports. The problem we saw was that after a few hard launches the crush collar would compress creating slop in the pinion and eventual failure.
The H3's 4.56 ratio pinions are pretty small and there is a large lateral force created especially when in the adv low range. Couple this with some slip-and-grips and the loads get pretty high. Not sure if the ratech solid spacer and diff cover would help with the H3.
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Is there an 8" or 8.25 front carrier that would work on the H3?
Even is slight modifications are necessary, that would still be better than the 7.25?