"Wouldnt you just drill 3 new holes in the old pulley rather than drill and tap the balancer or am i missing something? I plan on buying a ATI balancer in the next few months."
I just found a Chevy pulley in the attic-57 Corvette single grove hi-perf application-lined up with my existing alt and stuff too. If you drill and tap an SFI, it will no longer be SFI approved. BTW
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fasteddy
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