2nd posted by lazer(AK) on May 28, 2008 at 04:29 PM
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Usually less, but there might be some equipment that takes them higher... The balancer I use is an almost new Sunnen Crank balancer ($$$, it isn't mine, it's my school's) and it spun it to about 800 rpm once it was happy with the balance. It only spun it to about 400 before I drilled it.