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Registered
Join Date: Apr 2009
Location: Bryn Mawr, Pa.
Posts: 2
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Ring gaps
I'm building a short stroke 3.2 w/ Weber 46s w/ JE 9.5 pistons. Does anyone out there recommend a ring end gap?
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04-22-2009, 10:29 AM
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I would rather be driving
Join Date: Apr 2000
Location: Austin, TX
Posts: 9,108
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Use the ring manufacturer's numbers.
My last set of rings had an end gap based upon a percentage of the cylinder diameter. Of course, they were custom made and I sent them the bore measurements so they came out ready to install. Yes, I verified ring end gap prior to installation. JE typically use Total Seal rings. Are you using something different?
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Jamie - I can explain it to you. But I can not understand it for you. 71 911T SWT - Sun and Fun Mobile 72 911T project car. "Minne" - A tangy version of tangerine #projectminne classicautowerks.com - EFI conversion parts and suspension setups. IG Classicautowerks |
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04-22-2009, 12:31 PM
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Registered
Join Date: Oct 2008
Location: Nash County, NC.
Posts: 8,508
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I put a set together last month and the info was in the JE box. I have a recolection but prefer not to quote it
Bruce |
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04-22-2009, 05:39 PM
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Registered
Join Date: Jun 2003
Location: Camarillo, Ca.
Posts: 2,418
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The spec for the SC 95mm top ring is .007 gap. I doubt you can get that with rings provided by JE. I have found them to be normally around .012.
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Aaron.  F.S. 1965 Solex engine w carbs/cleanerBurnham Performance https://www.instagram.com/burnhamperformance/ |
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04-22-2009, 06:15 PM
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Registered
Join Date: Apr 2009
Location: Bryn Mawr, Pa.
Posts: 2
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Thanks all. I've ended up w/ .012" - .014" on the top ring, a tad more on the bottom two.
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04-29-2009, 09:08 AM
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