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myrddin Samba Member
Joined: November 16, 2004 Posts: 213
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Posted: Sat Apr 28, 2012 3:50 pm Post subject: Piston ring order and direction |
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Hi guys, just got around to setting the deck height on my buggy motor... I have had the rings off so long I forget which direction the rings face. there is a grove on the inside edge of the first ring and then a grove on th outside edge on the second...e
Do they bothe face each other, or to the head or to the crank?
Also this order good enough?
Top ring at 1:00, second ring at 7:00,top oil ring at 11:00,bottom oil ring at 5:00
there 94mm mahle pistons... (if that even matters) |
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modok Samba Member
Joined: October 30, 2009 Posts: 26800 Location: Colorado Springs
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Posted: Sat Apr 28, 2012 3:54 pm Post subject: |
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inside bevel is top ring, bevel goes up
outside dovetail corner is scraper ring, this goes down
by up I mean towards the head |
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myrddin Samba Member
Joined: November 16, 2004 Posts: 213
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Posted: Sat Apr 28, 2012 3:59 pm Post subject: |
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Bro. you rock... thanks for quick response... |
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modok Samba Member
Joined: October 30, 2009 Posts: 26800 Location: Colorado Springs
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Posted: Sat Apr 28, 2012 5:06 pm Post subject: |
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thanks
your gap spacing is ok, just make sure no gaps are in the gap of your ring compressor |
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myrddin Samba Member
Joined: November 16, 2004 Posts: 213
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Posted: Sat Apr 28, 2012 5:23 pm Post subject: |
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OK I have sealed the spacers and slid on cyl 3&4 and snugged up the head... How long you recomend waiting to torque the head down so sealant is OK (used ThreeBond 1211)...
Been so long I need to locate the parts... I will be looking for the rest to do tonight... will be nice to see the heads back on... been working on the DH for a loooooong time |
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modok Samba Member
Joined: October 30, 2009 Posts: 26800 Location: Colorado Springs
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Posted: Sat Apr 28, 2012 5:27 pm Post subject: |
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If it is fairly humid and you spread the sealant out some then it has probably already absorbed enough moisture to cure, torque er down! Don't forget the air deflectors and pushrod tubes |
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myrddin Samba Member
Joined: November 16, 2004 Posts: 213
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Posted: Sat Apr 28, 2012 5:31 pm Post subject: |
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I have the air deflector on (small one is all I have on bottom) I am not going to do the crush tubes... waiting on a set of those jaycee tubes... with the spring I sould be able to add them after..
thanks man... owe you a beer
off to get the other side done... |
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gorbur Samba Member
Joined: October 10, 2010 Posts: 187 Location: West of Calgary
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Posted: Sun Apr 29, 2012 3:54 am Post subject: |
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Just in the process of doing exactly the same. My understanding was that it isn't too critical but if you can:
Top ring at 3:00, second ring at 9:00,top oil ring at 11:00,bottom oil ring at 1:00. I'm assuming the point is the gaps on the oil control rings are to be up. _________________ 73 - Ghia Cabriolet, currently under resto
76 - Type1, 1776, full restomod |
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