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#1 |
Junior Member
Join Date: Sep 2015
Location: Victoria BC Canada
Posts: 24
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Starting to reassemble the engine and upper oil ring has 4 pieces but when I put them on the rings don't want to compress due to the inner piece holding them out
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#2 |
Senior Member
Join Date: May 2010
Location: East Hartford, Ct
Posts: 5,898
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Maybe there is such a thing but the only ones that I have used have 3 pieces. One spreader and two scrapers. Picture might help.
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#3 |
Senior Member
Join Date: May 2010
Location: Canada Where it snows
Posts: 2,058
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#4 |
Senior Member
Join Date: Feb 2011
Posts: 794
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#5 |
Senior Member
Join Date: May 2010
Location: Canada Where it snows
Posts: 2,058
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#6 |
Senior Member
Join Date: Oct 2013
Location: Glens Falls NY
Posts: 1,267
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( Not too relevant: Ford made 3 and 4 ring pistons. Not Ford pistons ? Ford Manual indicates in both 3 and 4 ring pistons, one could have a 2 piece or 4 piece oil control ring assembly. In the 4 ring piston, the upper 2 rings were compression rings, the 3rd ring set contained an oil control ring, expander ring and two steel sections; the 4th ring was a single-piece oil control ring. Some replacement sets contain a bottom compression ring and some choose to omit that to reduce overall piston friction. ) |
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#7 |
Junior Member
Join Date: Sep 2015
Location: Victoria BC Canada
Posts: 24
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They are Mchenry rings for a 4 ring pistons
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#8 |
Senior Member
Join Date: May 2010
Location: Canada Where it snows
Posts: 2,058
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Does that mean they are nos old rings?
R |
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#9 |
Senior Member
Join Date: May 2010
Location: So Cal
Posts: 8,841
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These are McHenry rings.
Bob |
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#10 |
Senior Member
Join Date: Oct 2013
Location: Glens Falls NY
Posts: 1,267
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Bob C .... if that's the complete ring set in your photo, looks like for a 6 cyl with 3-ring pistons (?)
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#11 |
Senior Member
Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 16,564
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One thing I learned the hard way about the 3 part expander type oil control rings is that they resist compressing them a lot. You really have to have a good ring compressor set up to get them in. Resist the temptation to "shorten" the expander. Most of them are designed to work as is as long as it is the correct diameter for the bore. I've no experience with McHenry rings but generally it's best to talk to the ring manufacturer about installation unless they are no longer in business.
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#12 |
Senior Member
Join Date: May 2010
Location: Lehighton Pa
Posts: 1,085
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I have used that type ring.You must be carful installing them in the groove not to overlap either the expander ring or the spacer ring.Most have the ends of the rings painted to help eliminate this problem. If the ring ends overlap you wil not be able to install the piston assy in the cylinder without great difficulty,and if you do the outcome will not be good. Check and check again and again!
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#13 |
Senior Member
Join Date: May 2010
Location: So Cal
Posts: 8,841
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#14 |
Senior Member
Join Date: May 2010
Location: Canada Where it snows
Posts: 2,058
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You could walk into any good machine shop and buy rings for that engine as they are still in most catalogues. Sealed power,Grant ,Hastings,Egge.All will be current inventory.Easy to get. Napa, Autovalue,Parts plus Lordco and more.
R |
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#15 |
Senior Member
Join Date: May 2010
Location: albany
Posts: 468
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Ive had experience with similar 4 pc oilrings and they are a huge PITA...spend 40 bux and buy set of modern rings
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#16 |
Senior Member
Join Date: May 2010
Location: Canada Where it snows
Posts: 2,058
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^^^ Yup x2
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#17 |
Junior Member
Join Date: Sep 2015
Location: Victoria BC Canada
Posts: 24
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Managed to get them on and pistons in. ( I asked Lordco for a price on Hastings rings for my engine $519.00 )
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#18 |
Senior Member
Join Date: May 2010
Location: Santee, California
Posts: 3,505
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#19 |
Senior Member
Join Date: May 2010
Location: Canada Where it snows
Posts: 2,058
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Something wrong there the set number is 533 call again.
http://www.perfectengine.com/Hasting..._p/has-533.htm http://www.ebay.ca/itm/Ford-Mercury-...-/151611032994 https://www.amazon.com/Hastings-533-.../dp/B001FTJVO6 I think the counter man priced a kit. R |
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