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Author Topic: SE 10.5:1 pistons deck height  (Read 4087 times)

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11 CVO Convertible

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SE 10.5:1 pistons deck height
« on: December 02, 2012, 11:25:32 AM »
I'm looking at getting the Screamin' Eagle 10.5:1 pistons for the CVO 110 (22502-07).  I need to get my compression up a little more than 10.5:1 for my cam choices that I'm looking at (somewhere around 10.75-11:1), so I need to know how far below the deck surface the pistons are in the hole (or above if that's the case) so I can calculate how much the heads need milled.  I've found out that the dome on the piston is somewhere in the neighborhood of 11-11.4 cc's, so the installed height is the last piece of the puzzle.  Does anyone know?
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hd-dude

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Re: SE 10.5:1 pistons deck height
« Reply #1 on: December 02, 2012, 11:48:18 AM »
The last set i did was .008" down. You should always dry fit and measure them if you want an accurate reading. There is only one thing consistent on Harley's and that is they are inconsistent!
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11 CVO Convertible

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Re: SE 10.5:1 pistons deck height
« Reply #2 on: December 02, 2012, 06:36:10 PM »
That's what I need, thanks!
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HILLSIDECYCLE.COM

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Re: SE 10.5:1 pistons deck height
« Reply #3 on: December 03, 2012, 07:13:23 AM »
You need to check that on the cases, as several "stack up" can affect that.
Scott
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cvobiker

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Re: SE 10.5:1 pistons deck height
« Reply #4 on: December 03, 2012, 08:14:49 AM »
Quote from: Hillsidecycle.com on December 03, 2012, 07:13:23 AM
You need to check that on the cases, as several "stack up" can affect that.
Scott

Pretty obvious   ???
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HILLSIDECYCLE.COM

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Re: SE 10.5:1 pistons deck height
« Reply #5 on: December 03, 2012, 02:13:30 PM »
Quote from: cvobiker on December 03, 2012, 08:14:49 AM
Pretty obvious   ???

And your point is?
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Fatboy

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Re: SE 10.5:1 pistons deck height
« Reply #6 on: December 03, 2012, 09:38:07 PM »
Quote from: cvobiker on December 03, 2012, 08:14:49 AM
Pretty obvious   ???
Maybe to you it was but it was news to me.....

Thanks Scott and Jim.
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11 CVO Convertible

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Re: SE 10.5:1 pistons
« Reply #7 on: December 06, 2012, 07:56:16 AM »
While we are talking about these pistons, does anyone know what changed between the old part number, 22502-07, and the new number, 22502-07A?
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