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Ring gap orientation
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Topic: Ring gap orientation (Read 1928 times)
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Pentroof
Full Member
Posts: 214
Ring gap orientation
«
on:
January 16, 2019, 05:20:06 PM »
Getting ready to assemble rods and pistons for this 390 I'm building and I'm wondering what the consensus is on a typical street build.
Do you guys use a conventional clocking layout? Have one of your own? Determined that it means absolutely nothing?
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Jim
machoneman
Hero Member
Posts: 3846
Re: Ring gap orientation
«
Reply #1 on:
January 16, 2019, 05:55:38 PM »
Probably means zilch but....I've always used the conventional thinking as supplied by all the ring makers.
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Bob Maag
Stangman
Hero Member
Posts: 1683
Re: Ring gap orientation
«
Reply #2 on:
January 16, 2019, 09:58:02 PM »
I also install the way the ring manufacture directions say. But being that they move around the piston who’s to say the rings don’t line up eventually even if it’s alittle while. It makes you think as long as you separate them long enough for them to break in shouldn’t matter.
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winr1
Guest
Re: Ring gap orientation
«
Reply #3 on:
January 17, 2019, 01:23:43 AM »
Have always installed the top ring at 10
Second at 2
First oil ring at 8
Second oil ring at 4
Ricky.
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blykins
Hero Member
Posts: 4801
Re: Ring gap orientation
«
Reply #4 on:
January 18, 2019, 06:01:57 AM »
I clock them all the same way each time, just as an assembly "check" for me, but to be honest, they rotate as soon as the engine runs anyway, so I can't see it making any difference at all.
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Brent Lykins
Lykins Motorsports
Custom FE Street, Drag Race, Road Race, and Pulling Truck Engines
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gt350hr
Hero Member
Posts: 941
Re: Ring gap orientation
«
Reply #5 on:
January 18, 2019, 10:38:19 AM »
+1 Just so they aren't lined up initially. they rotate almost immediately and continue to do so. If they didn't the block would have a vertical groove the width of the ring end gap. I have seen them lined up on tear down on good running engines. At normal running temperatures , piston ring end gap is much less than the cold dimension.
Randy
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Falcon67
Hero Member
Posts: 2151
Re: Ring gap orientation
«
Reply #6 on:
January 18, 2019, 11:34:06 AM »
Dr. Pepper - 10, 2 and 4.
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Chris - Merkel, TX
http://raceabilene.com/kelly/hotrod
67428GT500
Hero Member
Posts: 694
Re: Ring gap orientation
«
Reply #7 on:
January 18, 2019, 12:41:26 PM »
Quote from: Falcon67 on January 18, 2019, 11:34:06 AM
Dr. Pepper - 10, 2 and 4.
I still like the Dublin Dr. Pepper when I can find it here. It's made with real sugar, not that corn syrup crap. I have been here since '02 and still have to adjust to the way things are done here in Texas at times.
-Keith
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Ring gap orientation