Yesterday's Tractor Co.
Shop Now View Cart
   Allis Chalmers Case Farmall IH Ford 9N,2N,8N Ford
   Ferguson John Deere Massey Ferguson Minn. Moline Oliver
 FAQFAQ   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   Traditional YT Forum ViewClassic View   RegisterRegister 
 ProfileProfile    Log inLog in 

8N Sleeves and Pistons

Goto page 1, 2  Next

 
Post new topic    
View previous topic :: View next topic  
Author Message
Rick Wagner
New User


Joined: 02 Jul 2007
Posts: 4


Report to Moderator

PostPosted: Mon Jul 02, 2007 1:23 pm    Post subject: 8N Sleeves and Pistons Reply to specific post Reply with quote

I am working with a basket case 8N here. Already torn down when i got it. Some specs to note are, my block bores are 3.367/8?, depends on how steady i am. Old pistons are 3.268 dia measured across skirt perpendicular to pin. Old sleeves measure .047 at the very bottom of sleeve where I can still see crosshatch. I am have difficulty finding piston and sleeve combination kit. Any one have any suggestions? Thanks for the help by the way up front. Rick
 
Back to top
View user's profile
teddy52food
Tractor Guru


Joined: 05 Mar 2006
Posts: 9514


Report to Moderator

PostPosted: Mon Jul 02, 2007 1:29 pm    Post subject: Re: 8N Sleeves and Pistons Reply to specific post Reply with quote

Sleeve thickness would be .045 for a .090 sleeve. The new pistons will be fitted to the sleeve.
 
Back to top
View user's profile
Rick Wagner
New User


Joined: 02 Jul 2007
Posts: 4


Report to Moderator

PostPosted: Mon Jul 02, 2007 1:35 pm    Post subject: Re: 8N Sleeves and Pistons Reply to specific post Reply with quote

I am a novice on these tractors so bare with me. A .090 sleeve then ahs a wall thickness of .045? and a thin wall .040 sleeve will have a wall thickness of .020 then? Is that correct?
 
Back to top
View user's profile
Hobo,NC
Tractor Guru


Joined: 14 Jun 2007
Posts: 19297
Location: Sanford,NC

Report to Moderator

PostPosted: Mon Jul 02, 2007 2:40 pm    Post subject: Re: 8N Sleeves and Pistons Reply to specific post Reply with quote

You need .090 sleeves , not sure were you came up wif a .047 sleeve. Do the math If the sleeve slips in they make .002 & .005 over. you do not split the # .040's are close to .040 sum .039 sum may B .042. TOH set me straight on this and its the way they finish the sleeve, the thickness kin vary as long as the I.D. izz consistent. You do not add .90 + .090 to figger the O.D. you are only adding .040 to a .040 sleeve to git a .090 witch would make a .090 sleeve .090 bigger outside bore than a .040, think of one side only and do not add both sides.
 
Back to top
View user's profile
TheOldHokie
Tractor Guru


Joined: 08 Apr 2005
Posts: 10525
Location: Myersville, MD

Report to Moderator

PostPosted: Mon Jul 02, 2007 3:34 pm    Post subject: Re: 8N Sleeves and Pistons Reply to specific post Reply with quote

That's news to me - .090 and .040 are the wall thicknesses AFAIK.

TOH
 
Back to top
View user's profile
TheOldHokie
Tractor Guru


Joined: 08 Apr 2005
Posts: 10525
Location: Myersville, MD

Report to Moderator

PostPosted: Mon Jul 02, 2007 3:42 pm    Post subject: Re: 8N Sleeves and Pistons Reply to specific post Reply with quote

Dang Hobo - you're makin my head swim! Yes - stock pistons and .090 sleeves for 3.367 block bore computed as follows:

  1. Piston diameter is NOMINALLY 3.1875
  2. Thin wall sleeves are NOMINALLY .040 wall thickness which means NOMINAL block bore should be 3.1875+.080=3.2675
  3. Thick wall sleeves are NOMINALLY .090 wall thickness which means block bore should be 3.1875+.180=3.3675


Adjust those nominal numbers to get a final .001 interference final fit - machine shop work.

It would appear someone has installed some sort of overbore kit that increase the PISTON diameter(and engine displacement) by using a thinner sleeve and a larger piston in a block bored for stock .090 sleeves. The block bore is spot on - right?

TOH
 
Back to top
View user's profile
Dunk
Tractor Guru


Joined: 03 Nov 2006
Posts: 12843
Location: GA

Report to Moderator

PostPosted: Mon Jul 02, 2007 3:54 pm    Post subject: Re: 8N Sleeves and Pistons Reply to specific post Reply with quote

Yall boys are so far over my head you look like high flyin kites.

But TOH, are you talking something like this?????




Piston and Sleeve Set - Super Piston
Set For 9N, 2N, 8N Increased horsepower up to 5% by use of.0825 wall sleeve,
same outside diameter as heavy wall sleeve. Can be used in any application
where.090 wall thickness sleeves are used..050 wall sleeves, .0825 oversize
4-ring pistons. (Part No: PK11)

$196.84






http://www.ytmag.com/cgi-bin/store/model_parts.cgi?SearchArea=FORD&&md=8N&cat=Engine%20Pistons%20and%20Sleeves&r=mcats




 


 
Back to top
View user's profile
TheOldHokie
Tractor Guru


Joined: 08 Apr 2005
Posts: 10525
Location: Myersville, MD

Report to Moderator

PostPosted: Mon Jul 02, 2007 3:57 pm    Post subject: Re: 8N Sleeves and Pistons Reply to specific post Reply with quote

Yes Dunk,

That's exactly what I'm suggesting. Seems that kite wasn't out of reach after all ;-)

TOH
 
Back to top
View user's profile
Hobo,NC
Tractor Guru


Joined: 14 Jun 2007
Posts: 19297
Location: Sanford,NC

Report to Moderator

PostPosted: Mon Jul 02, 2007 4:35 pm    Post subject: Re: 8N Sleeves and Pistons Reply to specific post Reply with quote

TOH izz better at hiz goszinta's than I am, its the gosouta's that give me a fit I spec that's why I stay broke most of the time money Gos'outa my pocket to fast. Or its this Kubota spread all over the shop wif a tore up trans that bota made a real Boo Boo on. GST clutch drum came apart and wiped out sun expensive stuff, Bota knew it wuz a problem 2. I shore hope bota helps this boy out on the parts even if it's a little.
 
Back to top
View user's profile
TheOldHokie
Tractor Guru


Joined: 08 Apr 2005
Posts: 10525
Location: Myersville, MD

Report to Moderator

PostPosted: Mon Jul 02, 2007 5:00 pm    Post subject: Re: 8N Sleeves and Pistons Reply to specific post Reply with quote

Sounds like your gosouta's are about to get hit with some heavy incoming! The man said price was no object didn't he? He better hope new tractor warranties are better than new car warranties.

TOH
 
Back to top
View user's profile
Hobo,NC
Tractor Guru


Joined: 14 Jun 2007
Posts: 19297
Location: Sanford,NC

Report to Moderator

PostPosted: Mon Jul 02, 2007 6:02 pm    Post subject: Re: 8N Sleeves and Pistons Reply to specific post Reply with quote

He izz a blank check customer and I do look out fer'em better than I do price shoppes. I have to weed out customers and sum times if a estimate izz required I tell'em I really don't wanna werk on their trap. Bota has the parts priced so high their izz not much room fer mark up if enny. when ya git into this kin of trap you are better off let'n the customer buy the parts and make good labor, So either fix it or junk it. fer as warranty I have found Asian makes will go the extra mile to satisfi a customer over domestic makes ya never know till ya ask. I have a 96 Honda and they extended the warrant 14 years are 140K on the emissions (keep that a secret but I have the letter to prove it). Honda has been good to help out if I ask. I don't think the Asian market pays all the benefits to their employees the domestic market has to so they have the money to pay out if need B.
 
Back to top
View user's profile
Rick Wagner
New User


Joined: 02 Jul 2007
Posts: 4


Report to Moderator

PostPosted: Mon Jul 02, 2007 7:11 pm    Post subject: Re: 8N Sleeves and Pistons Reply to specific post Reply with quote

To Dunk and Old Okie. That kit is what I calculated I would need just with the numbers I ran. The guy I talked to said it was not, so hence the confusion on my part. This is my first tractor engine so I am moving cautiously. I really don"t want to order and bunch of stuff and then have to send it back for another try. I may go ahead and get that kit. I think it is what I am gonna need.
 
Back to top
View user's profile
russ b
Regular


Joined: 14 Jun 2007
Posts: 68


Report to Moderator

PostPosted: Mon Jul 02, 2007 10:18 pm    Post subject: Re: 8N Sleeves and Pistons Reply to specific post Reply with quote

When I went to the machinist with my block he didn't want to resleve it. The original job was slightly botched and he was afraid it was set in Lock Tite or JB Weld. He ended up boring the sleeves as situated in the block. I don't recall the final size or the sleve thickness, but it had to be more than 0.40. I seem to recall that the sleeves had shoulders at the top and one of the sleeves was set below the deck. If I find my paperwork.....
 
Back to top
View user's profile
TheOldHokie
Tractor Guru


Joined: 08 Apr 2005
Posts: 10525
Location: Myersville, MD

Report to Moderator

PostPosted: Tue Jul 03, 2007 3:12 am    Post subject: Re: 8N Sleeves and Pistons Reply to specific post Reply with quote

If the block bore measurement you provided is accurate it's dead on for stock .090 sleeves and pistons. That kit description is wacked however. It says it replaces the stock sleeves so it should work. The numbers in the description don't add up however. If the sleeves are .050 wall as stated the pistons should be .0800 over, not .0825. And it also says the sleeves are .0825 wall early on.... Makes you wonder what's going on. Personally I'd be inclined to stick with the stock .090 sleeves - I'm doubtful the performance gains from the overbore kit are worth the added expense.

TOH
 
Back to top
View user's profile
Rick Wagner
New User


Joined: 02 Jul 2007
Posts: 4


Report to Moderator

PostPosted: Tue Jul 03, 2007 5:18 am    Post subject: Re: 8N Sleeves and Pistons Reply to specific post Reply with quote

That is the kinds info I need at this time. I will stay awat from the "Super" kit and run with something stockish with the .090 sleeves. My brother and I picked this thing up on the cheap side I think, and are gonna fix her and resell. I do want to do it right though, not out to gough anyone. On another question...any thoughts on the wrist pin bushings? Do they typically need to be changed on these 8N engines too? I may as well get a set if I order those pistons and such.
 
Back to top
View user's profile
:   
Post new topic    Yesterday's Tractors Forum Index -> Ford 9N, 2N, 8N All times are GMT - 8 Hours
Goto page 1, 2  Next
Page 1 of 2

 
Jump to:  

TRACTOR PARTS TRACTOR MANUALS
Fast Shipping!  Most of our stocked parts ship within 24 hours (M-Th). We have the parts you need to repair your tractor - the right parts. Our fast shipping, low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]

YT Home  |  Forums

Modern View Forum powered by phpBB © 2001, 2005 phpBB Group

All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy

TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.

Yesterday's Tractors - Antique Tractor Headquarters