How tight should the balancer spacer be on the crank?

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How tight should the balancer spacer be on the crank?

Post  paperman on May 26th 2016, 11:20 am

I picked one up that is hard anodized aluminum and its going to take some metal removal the make it fit.  Its almost 2 thou small, should this be a slide or interference fit?


Last edited by paperman on May 27th 2016, 11:25 am; edited 1 time in total

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Re: How tight should the balancer spacer be on the crank?

Post  gt350hr on May 26th 2016, 12:02 pm

Slide on for sure , not an interference fit. The maker probably forgot about the "build up" when parts are anodized. You need to hone it.

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Re: How tight should the balancer spacer be on the crank?

Post  paperman on May 27th 2016, 11:26 am

That's what I suspect as well. A few thou on the OD is no big deal as the seal is pretty forgiving, the crank on the other hand is not. Thank you.

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Re: How tight should the balancer spacer be on the crank?

Post  dfree383 on May 27th 2016, 12:51 pm

Some aftermarket crank snouts can be on the high side too.
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