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Old 11-02-2013, 10:26 PM
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Need oil pan tranny skid that works with exhaust spacers

The 2012 has a "tranny skid" that is no more than a bar in front of the main transmission crossmember. I've hit it multiple times but on the last trip it was smashed hard enough to drive it up into my exhaust on the passenger side.

I have an auto and those exposed transmission lines and big exposed tranny pan are obviously in harms way and I know I need a real skid with the hits I'm taking but my problem is that I use the Teraflex exhaust spacers for the 2012 so that my driveshaft won't get the boot chewed up when my axle droops. I've tested my driveshaft clearance and at full flex and the driveshaft comes within an 1/8" of hitting the exhaust even with the spacers so I know I need them.

Most of the skid plate threads I've read say that there isn't clearance for the exhaust if using the spacers with a 2012. Some suggest going with an aftermarket front driveshaft but that has other drawbacks not to mention the expense.

So... who is running oil-pan tranny skids successfully on 2012's with TF exhaust spacers without rattling on the skid plate? My exhaust cross-over is nearly even with the bottom of the transmission cross-member (see picture).

Here is a picture of the stock "transmission skid". I've used a sledgehammer to straighten it out some the exhaust still vibrates against it at certain RPMS.



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Old 11-03-2013, 06:42 AM   #2
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I use a rockhard engine/tranny skid with the 2.5 TF list and exhaust spacers.

I cut a piece of aluminum bar (about 1/2"x4" x20 inches) that spaces the skid down 1/2" to clear the exhaust.

This is on a 2012 JKUR.

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Old 11-03-2013, 08:39 AM   #3
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I tried rugged ridge and it didn't fit so I tried river raider and it didn't work either so stay away from those two.. Good luck and let us know what you end up with ..
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Old 11-03-2013, 08:41 AM
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Quote:
Originally Posted by 5JKs View Post
I use a rockhard engine/tranny skid with the 2.5 TF list and exhaust spacers.

I cut a piece of aluminum bar (about 1/2"x4" x20 inches) that spaces the skid down 1/2" to clear the exhaust.

This is on a 2012 JKUR.
Thanks for the response... did you have to use different bolts? Have you had a problem getting hung up when sliding backwards over an obstacle?

If you have a pic to share showing how it mounts I'd appreciate it.
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Old 11-03-2013, 11:58 AM   #5
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Off road Evo doesn't work either. Well, it works, but not for long if you wheel. We used washers to space it out. Couple of large boulders later....it rattles up a storm again. Also bent my cross member- replacement sitting in my garage. My husband is getting cheap Xmas presents this year. Elvira is getting a new front driveshaft so I can rip out those spacers.
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Old 11-03-2013, 01:11 PM
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Off road Evo doesn't work either. Well, it works, but not for long if you wheel. We used washers to space it out. Couple of large boulders later....it rattles up a storm again. Also bent my cross member- replacement sitting in my garage. My husband is getting cheap Xmas presents this year. Elvira is getting a new front driveshaft so I can rip out those spacers.
I'd be curious to know how the driveshaft replacement goes. I've read that the aftermarket front driveshafts with u-joints and 3" or more of lift cause driveline vibration at interstate speeds. It's one of the reasons I'm sticking with my stock driveshaft.
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Old 11-03-2013, 01:27 PM   #7
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I'm running Woods shafts front&rear , no vibes.
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Old 11-03-2013, 01:29 PM   #8
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I'd be curious to know how the driveshaft replacement goes. I've read that the aftermarket front driveshafts with u-joints and 3" or more of lift cause driveline vibration at interstate speeds. It's one of the reasons I'm sticking with my stock driveshaft.

You just have to buy a driveshaft that is balanced properly. Out of let's say 10 JKs (or more) I wheel with only one had that problem. (Fixed by the manufacturer) And they're all between 2.5-3.5" of lift. I am one of the few that hasn't replaced mine (3.5" of lift)
I'll most likely go with Adams- but Tom Woods is also a good (more expensive) option. I am much more concerned with failure of the driveshaft on a trail than a balance issue. And getting rid of those stupid spacers. And the rubber boot.
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Old 11-03-2013, 02:17 PM   #9
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Rockhard comes with a 1/4" shim, that's pretty close but you probably need 1/2" if you use the exhaust spacer. It's pretty close and I didn't want it to contack at buzz.

Here's a pic of both and fitted. You need 1/2" so you can remove the supplied plate. It works fine - I believe I used the supplied bolts.

It's a good skid. It can take a beating.
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Old 11-03-2013, 02:41 PM   #10
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a MORE skid wont work either
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Old 11-08-2013, 09:41 AM
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Quote:
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Rockhard comes with a 1/4" shim, that's pretty close but you probably need 1/2" if you use the exhaust spacer. It's pretty close and I didn't want it to contack at buzz.

Here's a pic of both and fitted. You need 1/2" so you can remove the supplied plate. It works fine - I believe I used the supplied bolts.

It's a good skid. It can take a beating.
I called Rockhard and asked. They said if the exhaust spacers put the crossover pipe below the tranny crossmember it won't work. Mine is about 1/2" below the crossmember on the passenger side but rises above on the drivers side. So it won't work without adding a additional spacer as you did.

The instructions for skid row indicate theirs doesn't work with an exhaust spacer either.

I know from personal experience that the exhaust crossover pipe moves about 1/4" during driving because I have that much space between the current smushed tranny skid bar and it buzzes every time I accelerate. So I'd think a minimum of 1/2" clearance would be required, not to mention the heat transfer if the exhaust is too close.

Oh well I guess I will save for a new driveshaft. The party never ends.

Good thing my health care only went up 50% this year
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Old 11-08-2013, 11:46 AM   #12
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What helped a buddy of mine when we were installing his EVO skid plate was to use just ONE exhaust spacer. This spaced it far enough from the drive shaft but no enough to angle it down and cause problems. It was still tight and we ended up using some washers and longer bolts to make up the remaining difference. Ultimately we got it all to work together and he hasn't had any issues since.
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Old 11-22-2013, 01:18 PM   #13
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I have this issue too and really want the River Raider full Aluminum + UHMW system...

argh!!!
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Old 11-22-2013, 01:32 PM   #14
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Quote:
Originally Posted by ThingsAbove View Post
I called Rockhard and asked. They said if the exhaust spacers put the crossover pipe below the tranny crossmember it won't work. Mine is about 1/2" below the crossmember on the passenger side but rises above on the drivers side. So it won't work without adding a additional spacer as you did.

The instructions for skid row indicate theirs doesn't work with an exhaust spacer either.

I know from personal experience that the exhaust crossover pipe moves about 1/4" during driving because I have that much space between the current smushed tranny skid bar and it buzzes every time I accelerate. So I'd think a minimum of 1/2" clearance would be required, not to mention the heat transfer if the exhaust is too close.

Oh well I guess I will save for a new driveshaft. The party never ends.

Good thing my health care only went up 50% this year
We wrapped my exhaust with tape. Wore right through. The back of my skid is a little toasted. I also ordered a new tranny crossmember because I smashed that too. So we'll be putting that on, putting my tranny skid in a press to try and flatten it back out, replacing the driveshaft & removing the (leaking) spacer. That's all it should take to get rid of the rattle.
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Old 11-22-2013, 02:15 PM   #15
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[QUOTE="nkotb;6312290"]I have this issue too and really want the River Raider full Aluminum + UHMW system... argh!!![/QUOTE
I've got a steel powder coat I'll sell you
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Old 11-22-2013, 03:11 PM   #16
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I got a steel one for a 3.6 I'll sell ya
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Old 08-16-2015, 04:46 PM   #17
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Hey everyone, I know this is an old post but I was wondering if anyone came up with a solution to this issue or found a company that makes a skid plate that fits with exhaust spacers?
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Old 08-16-2015, 07:22 PM   #18
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That stock stupid bar is made of tissue paper. You just look at it it bends. I found one of the old OEM recalled skids and ground down the area where the pipe is and viola works great.. You just have to be wary of where you wheel. If wheeling in tall brush be aware that weeds can collect in this skid and potentialy catch on fire. Ymmv
Cameron

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