spacer length behind balancer on crank snout ?

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spacer length behind balancer on crank snout ?

Post  5pointslow on October 22nd 2015, 8:06 am

using a stock crank with Sfi romac balancer
i know i have seen some have to be machined , wasnt sure what the length needs to be



Thanks
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Re: spacer length behind balancer on crank snout ?

Post  5pointslow on October 22nd 2015, 12:10 pm

i have a steel one that was going to be used on previous build i got , for some reason i think it needed to be shortened up
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Re: spacer length behind balancer on crank snout ?

Post  dfree383 on October 22nd 2015, 12:21 pm

Never heard of needing to shorten one.
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Re: spacer length behind balancer on crank snout ?

Post  5pointslow on October 22nd 2015, 12:25 pm

dfree383 wrote:Never heard of needing to shorten one.

thats why i was wondering i thought for some reason i read on here ...could be wrong and prob am that some get shortend

i have a steel one i got from lem a few years back
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Re: spacer length behind balancer on crank snout ?

Post  glenevans on October 22nd 2015, 12:30 pm

The Innovators West dampner I got from Lem does use a shorter spacer, seems like .250 inch or so, but Lem would know for sure on the exact length. So maybe other brands would be the same situation.

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Re: spacer length behind balancer on crank snout ?

Post  Wheelie58 on October 22nd 2015, 8:02 pm

Long OE snout with a "normal" balancer like that...
No trim required.
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Re: spacer length behind balancer on crank snout ?

Post  Lem Evans on October 23rd 2015, 6:17 pm

5pointslow wrote:using a stock crank with Sfi romac balancer
i know i have seen some have to be machined , wasnt sure what the length needs to be



Thanks

The stock length space is ~ 2-3/4" as best as I can remember.

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Re: spacer length behind balancer on crank snout ?

Post  supervel45 on October 23rd 2015, 7:32 pm

Do you have a stock balancer you could compare the height to? If they are the same height or shaft lenght, I cannot see any difference, unless the wheel where thicker and rubbing something on the back side.

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