Old Man EMU 2.5" YJ to CJ Suspension Install - Page 39 - JeepForum.com
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Unread 05-01-2013, 01:07 PM   #571
rispony
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Quote:
Originally Posted by Matt1981CJ7 View Post
I've liked my OMEs, but I haven't been impressed with the durability of the finish on them. Small rocks chip the paint easily, exposing bare metal, and leading to early rust.

When I buy a new set, I will probably go Bilstein, because I know their finish lasts a lot longer.

Matt
Wow Matt, I couldn't agree with you more.

I placed all 4 shocks in a cardboard box laying flat and drove them to my buddy's garage to install them. 2 miles away, paved roads. When I lifted them out of the box, there were yellow paint flakes all over the box. Just them slightly rubbing together for 5 minutes or so caused a dozen or so noticable chips.

I would go with the Bilstein 5100 series I believe. They have amazing reviews, they're about 10 dollars cheaper each, and plus, their shiny silver!

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Unread 05-02-2013, 10:16 AM   #572
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The 5100's have no paint. It's a brushed aluminum looking finish but in steel, with just a Bilstein decal on the side.
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Unread 05-03-2013, 10:08 AM   #573
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Bilstein Shocks & Ford Shock Towers with OME 2.5 Lift

Quote:
Originally Posted by 85LaredoCJ7 View Post
Here you go Mooncruiser..

Bilstein 33-186542 15.12 collapsed, 24.31 extended (front)

Bilstein 33-185606 14.06 collapsed, 22.5 extended (rear)

I apologize if this was discussed somewhere in the thread and I missed it, but I couldn't find much else on the Bilstein part numbers after this in the thread. Per the Bilstein catalog (here) (bottom of page 11), it looks like these two part numbers are switched. The Front should be 33-185606 and the rear should be 33-186542. Was that on purpose 85LaredoCJ7, or just a typo?

I'm in the process of installing this OME 2.5" kit with the Ford shock towers (part number E5TZ-18183-A) due to my original rusty ones needing to be replaced and want to be sure I understand which Bilsteins were used by you guys.

I'm headed to Ford tomorrow to pick up the new shock towers, so I'll know exactly how much longer they are. From what I've read, they're 3-4" longer than the stock ones on my '85. Should still fit in the wheel wells, but I'm still trying to figure out which Bilsteins I should go with.

I also read in this thread where some of you have been using the OME N95 shocks, but I'm thinking those are for the shorter welded on shock towers (used up to something like '82) and not the longer ones used in like '83-'86. They probably have enough travel to accommodate the two different towers (and different lower mount points), but I'm guessing the extra travel the Ford shock tower will offer means a longer shock is necessary.

Sorry if this was previously discussed somewhere, but I haven't been able to find anywhere that talks about this combination.

Any ideas / experience?
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Unread 05-03-2013, 10:28 AM   #574
Matt1981CJ7
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Blue,

Have you considered flexing your CJ out, then measuring how long the shocks need to be?

Matt
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Unread 05-03-2013, 11:06 AM   #575
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Quote:
Originally Posted by Matt1981CJ7 View Post
Blue,

Have you considered flexing your CJ out, then measuring how long the shocks need to be?

Matt
Yeah have considered doing that, but I'm working on putting a new frame under it and the motor, tranny, body, axles, etc, aren't on yet. It'll be a whilel before it will be able to pull itself up onto a ramp to check out flex. It's tough to do flex without a forklift. Haven't been able to talk my wife into one of those yet

I'm wanting to assemble from ground up, and was hoping to get close on the shocks before putting everything else on. Saw that it looked like either the part numbers or the front-rear were switched in the previous post and wanted to figure it out.
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Unread 05-03-2013, 12:08 PM   #576
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I hear you...I didn't know you had it all in pieces.

I've gotten so confused on which shocks I purchased...long story...that I hesitate to advise anyone on shocks.

If I were you, however, I think I'd install shocks last, after the rest of the rig is assembled, then measure 'em up.

Matt
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Unread 05-03-2013, 04:07 PM   #577
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Quote:
Originally Posted by BlueRhino View Post
Yeah have considered doing that, but I'm working on putting a new frame under it and the motor, tranny, body, axles, etc, aren't on yet. It'll be a whilel before it will be able to pull itself up onto a ramp to check out flex. It's tough to do flex without a forklift. Haven't been able to talk my wife into one of those yet

I'm wanting to assemble from ground up, and was hoping to get close on the shocks before putting everything else on. Saw that it looked like either the part numbers or the front-rear were switched in the previous post and wanted to figure it out.
You dont need a flex ramp. Jack the car from the chassis and measure the gap. On a flex ramp it wont be longer than full droop with wheels of the ground. Measure bump stop to diff. take this number from the first and you have your max compression number. It will never be shorter than the bumpstop on the diff.

OME LTR's are Perfect for a 83CJ but hard to find these days

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Unread 05-04-2013, 01:19 AM   #578
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Quote:
Originally Posted by VooDoo2 View Post
The OME bushes are smaller in the shackle hangers and larger in the springs which fix the issue you have. I have a pic in this thread somewhere. You may not have noticed and put them in the wrong way around. Aftermarket bushes may not have this feature.

Edit: found it

OK well it seems all my OME bushings are the same size/part. Part No. 306. I got them from OK4WD (i think). Can anyone tell me the other part number I should have?
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Unread 05-05-2013, 02:12 AM   #579
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OK well it seems all my OME bushings are the same size/part. Part No. 306. I got them from OK4WD (i think). Can anyone tell me the other part number I should have?
UPDATE: Ok i re-read the earlier posts and checked the OME application guide. I think, for my application, the correct OME bushings for the shackle end of the spring and hanger are parts PT320 and PT321. These are the same parts in Kit No. OMESB87 which ErikEastman provided a link to earlier.

Thanks again to all.

Last edited by cabbage23; 05-05-2013 at 02:41 AM.. Reason: making correction
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Unread 05-05-2013, 05:20 AM   #580
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Cabbage,

Did you find anyplace to purchase them separately?

Matt
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Unread 05-05-2013, 09:31 PM   #581
cabbage23
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Cabbage,

Did you find anyplace to purchase them separately?

Matt
Unfortunately not. Seems they are only available as kits. Confirmed by an ARB sales person this morning.
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Unread 05-05-2013, 09:47 PM   #582
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Quote:
Originally Posted by Matt1981CJ7
I hear you...I didn't know you had it all in pieces.

I've gotten so confused on which shocks I purchased...long story...that I hesitate to advise anyone on shocks.

If I were you, however, I think I'd install shocks last, after the rest of the rig is assembled, then measure 'em up.

Matt
I agree. It's not like shocks are difficult to install after final assembly and not having them on wont affect any other part of the project
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Unread 05-07-2013, 08:22 AM   #583
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Originally Posted by cabbage23 View Post
UPDATE: Ok i re-read the earlier posts and checked the OME application guide. I think, for my application, the correct OME bushings for the shackle end of the spring and hanger are parts PT320 and PT321. These are the same parts in Kit No. OMESB87 which ErikEastman provided a link to earlier.

Thanks again to all.
FYI, my OMESB57 kits contain 4 of the PT306 (shackle end) and and 2 of the larger PT307 (hanger end).

I'm not completely sure of the difference between the OMESB57 and the OMESB87 kit, other than the 57 kit is marked as "for use with original shackles" and the 87 kit is marked as "for use with OME Greasable Shackles". Guessing they might have a slightly different ID and perhaps a different sleeve for the hanger side.

Dimensions from parts in my OMESB57 kit (sample size = 1):
Dimensions of the PT306- ID: 0.71" OD: 1.25" Length (including small flares / lips on outer end): 1.5"
Dimensions of the PT307- ID: 0.75" OD: 1.5" Length (including small flares / lips on outer end): 1.5"
Dimensions of sleeve supplied in kit- ID: 0.593" OD: 0.75" Length: 2.88"

Anyone have this info for the parts from the OMESB87 kit??
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Unread 05-07-2013, 08:51 AM   #584
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I have those kits (sb87) at home, I can check tonight for you (provided I remember).
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Unread 05-07-2013, 10:32 AM   #585
cabbage23
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Quote:
Originally Posted by BlueRhino View Post
FYI, my OMESB57 kits contain 4 of the PT306 (shackle end) and and 2 of the larger PT307 (hanger end).

I'm not completely sure of the difference between the OMESB57 and the OMESB87 kit, other than the 57 kit is marked as "for use with original shackles" and the 87 kit is marked as "for use with OME Greasable Shackles". Guessing they might have a slightly different ID and perhaps a different sleeve for the hanger side.

Dimensions from parts in my OMESB57 kit (sample size = 1):
Dimensions of the PT306- ID: 0.71" OD: 1.25" Length (including small flares / lips on outer end): 1.5"
Dimensions of the PT307- ID: 0.75" OD: 1.5" Length (including small flares / lips on outer end): 1.5"
Dimensions of sleeve supplied in kit- ID: 0.593" OD: 0.75" Length: 2.88"

Anyone have this info for the parts from the OMESB87 kit??
Both kits use PT307 for the fixed spring end.

Kit OMESB57 uses 4 identical sized bushings at the shackle end.PT 306.

Kit OMESB87 uses 2 different pairs of bushings for the shackle end to allow for the shackle hanger (sometimes) being slightly wider than the spring. They are made specifically for one of the OME shackle kits. It uses bushings PT320 and PT321. The main difference between the two is the height/thickness of the flare/lip.

PT320 has a 6.5mm high lip (spring). PT321 has a 4.3mm high lip (hanger).

There are some other differences. PT 320 & 321 have an ID which is 0.1mm bigger than PT 306. The outside diameter of 320&321 (not including the lip. ie the bit goes goes in your spring hole ) is 0.4mm bigger than PT306. I doubt these <0.5mm differences would be of concern, but I dont know yet i havent tried it. They appear to work well for others in this forum (i cant remember what shackles they used, but im getting the SB87 Kit and i dont have OME shackles).

Info here on pages 104 & 106:

http://www.arbusa.com/Uploads/PDF/on...de_current.pdf


Hope that helps!

Rob
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