2N piston rings source

[montidale]

I pulled the Pistons out of my 2N. I found out they were FoMoCo pistons. I called up new Holland and the rings are no longer available. Does anybody know if anyone has old stock Ford parts? The Pistons are .030 over. The Ford part number for the rings is 86551105. Haven’t had much luck searching the Internet.

 

[HarryVanderpool]

Have you talked with:

MAHLE Aftermarket North America | MAHLE Aftermarket | Light Vehicle Piston Rings

MAHLE is the largest manufacturer of piston rings in the world today and MAHLE is on the forefront of light vehicle piston ring technology and our MAHLE performance line is the best choice for all applications.

www.mahle-aftermarket.com

Formerly, Perfect Circle

 

[Jim L WA]

You might also try Egge Machine Co.
www egge dot com, 800 866 3443.

 

[TheOldHokie]

You might want to price a piston and liner kit.

TOH

 

[Duner Wi]

Ebay has .030 for 3.1875 Ford cars pistons of same vintage. You do need to check your ring widths.

 

[montidale]

I didn’t have much luck with MAHLE or Egge. But the Ford car pistons might be an option. I spent half the morning researching. The new liner isn’t an option,because whoever resleeved the engine, bored out the block 1/8 inch and put a new liner in the engine that wasn’t a Ford liner. So that ruin the option of using a Ford liner. The oil rings look clean, but it doesn’t appear that they’re rubbing against the cylinder walls. I don’t have a good understanding of rings. oh well looks like I’ll have to do a little more scrounging and research.

 

[TheOldHokie]

I didn’t have much luck with MAHLE or Egge. But the Ford car pistons might be an option. I spent half the morning researching. The new liner isn’t an option,because whoever resleeved the engine, bored out the block 1/8 inch and put a new liner in the engine that wasn’t a Ford liner. So that ruin the option of using a Ford liner. The oil rings look clean, but it doesn’t appear that they’re rubbing against the cylinder walls. I don’t have a good understanding of rings. oh well looks like I’ll have to do a little more scrounging and research.

The block would have had .040 wall sleeves from the factory. Boring for Ford .090 walll sleeves is a .100 over bore. How did you.determine the over bore is .125?

TOH

 

[HarryVanderpool]

Slide compression ring into cylinder and measure end-gap.

 

[Duner Wi]

Search this site using search terms "Mercury pistons" you don't need quotes.
From post # 1 I understood it to mean you pistons are .030 over standard . Standard is 3.1875.
If you want .030 over for 9N you will need and old parts man who will sell you half a set of V8 car rings.
Just make sure the ring width is correct. Wall thickens of repair sleeves for # 3-3/16 bore seem to be .090-.093. or 125 depending on manufacture. You can purchase a set from Ebay for V8 for not much money.

 

[TheOldHokie]

Search this site using search terms "Mercury pistons" you don't need quotes.
From post # 1 I understood it to mean you pistons are .030 over standard . Standard is 3.1875.
If you want .030 over for 9N you will need and old parts man who will sell you half a set of V8 car rings.
Just make sure the ring width is correct. Wall thickens of repair sleeves for # 3-3/16 bore seem to be .090-.093. or 125 depending on manufacture. You can purchase a set from Ebay for V8 for not much money.

For a .040 block:

A .125 wall thickness is a .170 over bore.
A .093 wall thickness is a .106 over bore
A .100 over bore is pushing the limit

I think we need a reliable measurement of the current bore in his block.

TOH

 

[montidale]

I measures the end gap on an oil ring, it was .080. way too much. It is possible they use standard rings. I measured the sleeve with a micrometer and came up with 0.115. Looking at the photo of the sleeve, the bottom of the sleeve looks like it is cut roughly. The pistons are marked .030. The compression ring groove in the piston is slightly over .095. Duner,are you saying car pistons and tractor pistons with the 3.1875 bore have the same rings?

 

[TheOldHokie]

I measures the end gap on an oil ring, it was .080. way too much. It is possible they use standard rings. I measured the sleeve with a micrometer and came up with 0.115. Looking at the photo of the sleeve, the bottom of the sleeve looks like it is cut roughly. The pistons are marked .030. The compression ring groove in the piston is slightly over .095. Duner,are you saying car pistons and tractor pistons with the 3.1875 bore have the same rings?

1. The sleeves have been cut to length.
2. You can't accurately measure that sleeve in the engine .
3. If the wall thickness is .115 the over bore would be 2 x ( .115 - .040) = 2 x .075 = .150.

You need to get real measurements of the sleeve OD so you can make an informed decision

TOH

 

[montidale]

I measured the bore with a caliper and came up with 3.219. that is not real accurate. But it tells me it's bored .030.

 

[Duner Wi]

IMO you have Car pistons and yes rings could interchange, just measure the ring width, 2 different width on oil ring and some piston car or tractor had 4 rings. From your first post all you are looking for is Rings, is that correct?

 

[TheOldHokie]

I measured the bore with a caliper and came up with 3.219. that is not real accurate. But it tells me it's bored .030.

With the way you are proceeding I think you are going to be doing this job again soon.

Good luck,

TOH

 

[montidale]

Yes that is correct I measured the gap in the piston with a Miller-Detroit carb gauge set.the closest gap I came up with was .095.So that makes it 3/32.

 

[montidale]

I guess I don't need to make it too complicated. All I need is a set of rings for a set of .030 over sized pistons. I will try and track down a set of car piston rings as Duner recommends.

 

[Duner Wi]

This might work, missing a compression ring. This is for 8 cyl.
Check the widths.

NORS McQUAY NORRIS 1939-47 FORD MERCURY +.030 PISTON RINGS | eBay

Find many great new & used options and get the best deals for NORS McQUAY NORRIS 1939-47 FORD MERCURY +.030 PISTON RINGS at the best online prices at eBay! Free shipping for many products!

www.ebay.com

 

[montidale]

Duner, thanks for looking up the piston rings. The compression rings are right but the oil control rings on the tractor are 3/16 while the rings on eBay are 5/32. I know there’s gonna be some rings out there somewhere just have to track them down.

 

[Duner Wi]

Check these carefully, might be what you need.

SEALED POWER PISTON RINGS SET 5033X NOS NEW IN BOX NEVER USED ENGINE RINGS | eBay

The parts have never been used.

www.ebay.com