Piston ring end gap, AA 96 mm pistons with Grant rings |
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Piston ring end gap, AA 96 mm pistons with Grant rings |
jsaum |
Mar 3 2022, 10:04 PM
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#1
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Senior Member Group: Members Posts: 530 Joined: 12-June 07 From: Everett, WA Member No.: 7,809 Region Association: None |
The instructions say .003 to .004 per inch of cylinder diameter. Calculates out to .011” to .015”. What end gap should I use? Anyone used this combination?
Thanks, Jsaum |
930cabman |
Mar 5 2022, 01:48 PM
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#2
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Advanced Member Group: Members Posts: 3,146 Joined: 12-November 20 From: Buffalo Member No.: 24,877 Region Association: North East States |
Personally, I would favor over .015 than less than .015, but less than .020
Keep us posted with your results |
jsaum |
Mar 7 2022, 11:51 AM
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#3
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Senior Member Group: Members Posts: 530 Joined: 12-June 07 From: Everett, WA Member No.: 7,809 Region Association: None |
Personally, I would favor over .015 than less than .015, but less than .020 Keep us posted with your results Thanks, 930cabman for the advise. I did call AA performance this morning and they confirmed they recommend.0045” for the top ring and .0004” for the second ring times the diameter of the piston. So .017” and .015” ring end gap. If I was to go over this slightly how much, .0005 or .001? I was hoping some of our members with engine building experience might share what they use but also understand some reluctance to do so. This is my first air cooled engine build, I’m using this as a learning experience and am hoping for the best but planning for some road bumps while trying to do my do diligence. Jsaum |
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