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- - Ring gaps (http://forums.pelicanparts.com/911-engine-rebuilding-forum/470409-ring-gaps.html)

jbone

04-22-2009 10:29 AM

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?

jpnovak

04-22-2009 12:31 PM

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?

Flat6pac

04-22-2009 05:39 PM

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

BURN-BROS

04-22-2009 06:15 PM

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.

jbone

04-29-2009 09:08 AM

Thanks all. I've ended up w/ .012" - .014" on the top ring, a tad more on the bottom two.

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