Honing cylinder help - JeepForum.com

 
LinkBack Thread Tools
post #1 of 11 Old 12-25-2011, 12:41 PM Thread Starter
beefcake3
Registered User
1998 TJ Wrangler 
 
Join Date: Sep 2011
Location: 47.4689 N, 87.8883 W
Posts: 126
Honing cylinder help

these are groves worn in the top of my cylinders can i hone theses out or will i need to have them bored out???
the other cylinders have the similar story. I dont have any measurement tools so i cannot say how deep they are they can be felt slightly with your finger

Attached Thumbnails
jeep cylinder.jpg  
beefcake3 is offline  
Sponsored Links
Advertisement
 
post #2 of 11 Old 12-25-2011, 12:57 PM
222Doc
Registered User
2012 JK Wrangler 
 
Join Date: Sep 2011
Location: Lake Havasu City
Posts: 5,933
hard to tell with a pic, but honing is basically just polishing metal, looks like that needs to be bored if you can feel it and it looks like not just a top ridge. did you get the pistons out with out reaming it, break any rings? you rebuilding the bottom as well? hard to say with out checking details miking it in a few places.
222Doc is offline  
post #3 of 11 Old 12-25-2011, 12:58 PM
ninjakid
Registered User
1987 YJ Wrangler 
 
Join Date: Mar 2011
Location: Chalfont
Posts: 1,018
Know anyone with a ridge reamer?

Incompetence in motion
96 XJ 4dr, 4.0, AW4, NP231,
87 Wrangler, 4.2, TF999, NP231
ninjakid is offline  
post #4 of 11 Old 12-25-2011, 01:09 PM Thread Starter
beefcake3
Registered User
1998 TJ Wrangler 
 
Join Date: Sep 2011
Location: 47.4689 N, 87.8883 W
Posts: 126
Quote:
Originally Posted by ninjakid View Post
Know anyone with a ridge reamer?
sadly i do not
beefcake3 is offline  
post #5 of 11 Old 12-25-2011, 01:33 PM
JPi1
Registered User
2008 JK Wrangler 
 
Join Date: Nov 2011
Location: Yucaipa
Posts: 392
If you can feel it with your fingernail, it needs a bore. Since the ignition of the fuel happens at the top of the stroke, the condition of the upper bore is critical to power.
JPi1 is offline  
post #6 of 11 Old 12-25-2011, 02:24 PM Thread Starter
beefcake3
Registered User
1998 TJ Wrangler 
 
Join Date: Sep 2011
Location: 47.4689 N, 87.8883 W
Posts: 126
Is it possible that I could hone it enough for the jeep to run untill I can find a new engine for it??
beefcake3 is offline  
post #7 of 11 Old 12-25-2011, 02:34 PM
5-90
Registered User
 
5-90's Avatar
1988 XJ Cherokee 
 
Join Date: Sep 2006
Location: San Jose, CA
Posts: 5,343
Quote:
Originally Posted by beefcake3 View Post
Is it possible that I could hone it enough for the jeep to run untill I can find a new engine for it??
May as well not bother - honing won't remove enough material to make a useful difference, if you can feel the ridges with your fingernail. You've got it torn down - I'd say to just strip the block and take it in.

"recon" (sic - reckon)(tm) "hihgly"(tm) "seceed"(tm)
"Outback AIDS - Alcohol-Induced Dizzy Spells"
5-90 is offline  
post #8 of 11 Old 12-25-2011, 02:40 PM
jay-h
Registered User
1989 YJ Wrangler 
 
Join Date: Dec 2006
Posts: 5,132
Probably should be bored. If that is really out of the question, you could hone them as smooth as possible and put it back together with fresh rings. It will probably run ok for a while but won't really last.
jay-h is offline  
post #9 of 11 Old 12-25-2011, 05:55 PM Thread Starter
beefcake3
Registered User
1998 TJ Wrangler 
 
Join Date: Sep 2011
Location: 47.4689 N, 87.8883 W
Posts: 126
Anyone eles have this problem??
beefcake3 is offline  
post #10 of 11 Old 12-25-2011, 09:10 PM
Alabamaranger
Registered User
1990 YJ Wrangler 
 
Join Date: Sep 2006
Location: Leeds AL
Posts: 1,716
Get a micrometer and measure the bore and see what the size is under the ridge. That will tell you if it needs to be bored or not.

90 YJ, 4.2 with 2150 carb 4.0 Head and headers, Nutter with TFI and MSD. 1" BL, 2.5" spring lift, 33", Goodrich KM Mud Tires. Dana 30 w Aussie, Ford 8.8 w LS. 9000lb HF Winch.
Alabamaranger is offline  
post #11 of 11 Old 12-25-2011, 09:42 PM
5-90
Registered User
 
5-90's Avatar
1988 XJ Cherokee 
 
Join Date: Sep 2006
Location: San Jose, CA
Posts: 5,343
Quote:
Originally Posted by Alabamaranger View Post
Get a micrometer and measure the bore and see what the size is under the ridge. That will tell you if it needs to be bored or not.
If you can feel it, you're going to have to bore it.

You can strip out a ridge about .001-.002" (one side) height with 120-gr honing stones (I've done it a few times,) but it's hard to feel something like that unless you're got practise.

Typically, if you can feel it with your fingernail, you're looking at .003"-.005" on one side (total .006"-.010" defect,) and probably a bit more than that.

Typical overbores? You can find rings & pistons (yes, you'll need both to do a proper job) in +0.030" easily, with +0.010" being uncommon (but sometimes available, depending on application.)

Hone & re-ring? Perhaps - but I wouldn't count on it lasting more than it would take to source another block or pile up nickels to do the job right (call it six months at the outside...)

"recon" (sic - reckon)(tm) "hihgly"(tm) "seceed"(tm)
"Outback AIDS - Alcohol-Induced Dizzy Spells"
5-90 is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the JeepForum.com forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid e-mail address for yourself.



Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Similar Threads
Thread Thread Starter Jeep Forums Replies Last Post
Honing Cylinder Liner? captjanes TJ Wrangler Technical Forum 1 02-26-2011 08:24 PM
Removing center console lock cylinder from latch cylinder Dstompe TJ Wrangler Technical Forum 11 06-27-2009 07:01 PM
Cylinder 2 misfire dead cylinder plenty of fuel Mel16m TJ Wrangler Technical Forum 10 11-27-2007 10:52 AM
Pinion bearing honing/cutting safarimike TJ Wrangler Technical Forum 4 10-27-2007 06:45 PM
Clutch, Master Cylinder, and Slave Cylinder replaced and problem not solved.... loudog3114 TJ Wrangler Technical Forum 7 08-31-2005 08:37 AM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome