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94mm cut to length vs. std. 94mm
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Onceler
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PostPosted: Wed Nov 13, 2019 8:55 pm    Post subject: 94mm cut to length vs. std. 94mm Reply with quote

Any ideas why the head registers would be different between the 2?
I needed another set of pistons, so I went ahead and ordered a set of std. length p&cís.
The cut to length versions measure 101.25mm diameter and std. length measure 100.85mm dia.
You can see the difference in this photo (cut to length on right):
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bugguy1967
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PostPosted: Wed Nov 13, 2019 10:53 pm    Post subject: Re: 94mm cut to length vs. std. 94mm Reply with quote

You mean the head diameter? They're usually used for apps where people are running more cylinder pressure, so AA gave us some extra wall thickess. Make sure your head fits.
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Onceler
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PostPosted: Thu Nov 14, 2019 2:05 pm    Post subject: Re: 94mm cut to length vs. std. 94mm Reply with quote

bugguy1967 wrote:
You mean the head diameter? They're usually used for apps where people are running more cylinder pressure, so AA gave us some extra wall thickess. Make sure your head fits.

Well that seams like a good idea, but slightly annoying that itís not mentioned in any of the spec.ís Iím aware of
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mark tucker
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PostPosted: Thu Nov 14, 2019 2:51 pm    Post subject: Re: 94mm cut to length vs. std. 94mm Reply with quote

I wood prefur the thicker ones....
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Onceler
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PostPosted: Thu Nov 14, 2019 6:33 pm    Post subject: Re: 94mm cut to length vs. std. 94mm Reply with quote

Any issues with boring these heads out further? They are already broken through to the fin area.
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bugguy1967
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PostPosted: Fri Nov 15, 2019 2:01 pm    Post subject: Re: 94mm cut to length vs. std. 94mm Reply with quote

You gotta do what you gotta do. It won't hurt anything.
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Onceler
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PostPosted: Fri Nov 15, 2019 5:41 pm    Post subject: Re: 94mm cut to length vs. std. 94mm Reply with quote

bugguy1967 wrote:
You gotta do what you gotta do. It won't hurt anything.

I figured so, but thought I better ask the experts. Thanks
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