YJ D35 Disc brake Conversion Question - Page 2 - JeepForum.com

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post #16 of 67 Old 09-26-2013, 11:06 AM
remmons
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Agreed, but you need to be able to weld or have a friend who can weld. There's a ton of info here in the forum on doing the 8.8 swap.
Agreed. It can be a simple weekend project IF you have all of your ducks in a row.

If you're just simply replacing your D35 with an 8.8 with a 3.5" lift or less, then you don't have much to worry about. But, for those of us who are performing an 8.8 swap, and who are performing a lift as well might want to plan on a SYE conversion as well. I am currently in the process of gathering the parts for a SOA, 8.8 SOA kit from M.O.R.E. as well as the hydraulic and parking brake line kits, H&T SYE for a NP242, and an anti-wrap bar....and that's just for the rear axle. The front axle will take some careful planning as well, such as keeping the caster correct while performing a cross-over steering upgrade to reduce the drag link angle to reduce or prevent bump-steer. Not to mention getting longer bump stops and hydraulic brake lines, and swaybar link quick disconnects to take advantage of the additional flex that you will gain from a lift.


Robert.

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Last edited by remmons; 09-26-2013 at 11:06 AM. Reason: Typing issues.
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post #17 of 67 Old 09-26-2013, 07:38 PM Thread Starter
Robob69
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I would so love a 8.8 in my YJ BUT!! Money.... and the fact the I can not figure out what angles and how to weld the perches and crap like that on... I WISH!!!
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post #18 of 67 Old 09-26-2013, 08:14 PM
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Quote:
Originally Posted by Robob69
I would so love a 8.8 in my YJ BUT!! Money.... and the fact the I can not figure out what angles and how to weld the perches and crap like that on... I WISH!!!
The money is one thing, but the rest is a great learning experience. Sometimes you just need to dive in and so it.
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post #19 of 67 Old 09-27-2013, 10:40 AM
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I would so love a 8.8 in my YJ BUT!! Money.... and the fact the I can not figure out what angles and how to weld the perches and crap like that on... I WISH!!!
You can pick up an average 8.8 for around two bills, maybe even less if you're lucky. I'm sure that there is someone from the forum who lives near you who can weld. If you're simply replacing your D35, then I would keep the pinion angle the same as the D35.

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post #20 of 67 Old 10-02-2013, 12:46 PM
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We all know axle swaps can start out being $200, and then turn into a rebuild of the whole Jeep... My two cents is that if you just wanna do the disc brake swap, it is a worthwhile project.

I myself did not, I rebuilt the whole driveline instead, including a rear axle swap. It started with a $200 axle, and a few thousand dollars later I was done

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post #21 of 67 Old 10-02-2013, 01:54 PM
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I converted mine. then I needed to upgrade my brake booster. My master cylinder and my proportioning valve. But those will work with 8.8. So... That will be going in first of the week.

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post #22 of 67 Old 10-02-2013, 01:58 PM
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Originally Posted by ldso View Post
We all know axle swaps can start out being $200, and then turn into a rebuild of the whole Jeep... My two cents is that if you just wanna do the disc brake swap, it is a worthwhile project.

I myself did not, I rebuilt the whole driveline instead, including a rear axle swap. It started with a $200 axle, and a few thousand dollars later I was done
+1

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post #23 of 67 Old 10-02-2013, 04:16 PM
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My thing is my rear drum brakes will need replacing so why not upgrade to discs. I only plan on a 2 inch lift down the road and minor offroading. The d35 will be plenty strong for what I do so no need to go to an 8.8. Plus if I was going to upgrade the rear axle I would go with something from jeep like a d44. I hate fords so why put a ford rear axle on a jeep.
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post #24 of 67 Old 10-02-2013, 08:14 PM
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the 8.8 is a piece of junk. don't care if you all out there get mad.

you can put a wilwood disc brake kit on your D35. use the kit for the ford small bearing, it uses the same bolt pattern for the housing end. this disc offset is also the same. the kit # is 140-7143 . same kit I have installed on my 89

89 Wrangler, 2.5L TBI, D30 Truetrac 4.56 gear front, Super 35 4.56 gears rear, 31" BFG Mud's, 15x9" weld racing pro-stars XP's, 2.5" rancho and 1.25" shackels, superior axles. rear wilwood disc brakes

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post #25 of 67 Old 10-02-2013, 08:16 PM
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the 8.8 is a piece of junk. don't care if you all out there get mad. if it is such a great rear end, then why don't you see it in the racing sports. JUNK

you can put a wilwood disc brake kit on your D35. use the kit for the ford small bearing, it uses the same bolt pattern for the housing end. this disc offset is also the same. the kit # is 140-7143 . same kit I have installed on my 89. I'll try and snap a picture on how I attaced the e-brake to the kit.

89 Wrangler, 2.5L TBI, D30 Truetrac 4.56 gear front, Super 35 4.56 gears rear, 31" BFG Mud's, 15x9" weld racing pro-stars XP's, 2.5" rancho and 1.25" shackels, superior axles. rear wilwood disc brakes

2008 wrangler x unlimited. Stone white. Motech 5.3L LS Chevy
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post #26 of 67 Old 10-02-2013, 08:29 PM
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Quote:
Originally Posted by JohnRodriguez
the 8.8 is a piece of junk. don't care if you all out there get mad. if it is such a great rear end, then why don't you see it in the racing sports. JUNK you can put a wilwood disc brake kit on your D35. use the kit for the ford small bearing, it uses the same bolt pattern for the housing end. this disc offset is also the same. the kit # is 140-7143 . same kit I have installed on my 89. I'll try and snap a picture on how I attaced the e-brake to the kit.
Because an aluminum 9" can be made stronger and lighter, for 3x the money.

Is the 8.8 the greatest rear end ever, no. It is however a very strong and economical swap into a wrangler with very little modification. If I were to build a full on race car, I wouldn't use one because I would get something specific to my application. It is used in some race cars, but it is heavily used and known in the jeep world because of the easy swap.
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post #27 of 67 Old 10-02-2013, 08:36 PM
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I think someone's mad because he polished a piece of ****.

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post #28 of 67 Old 10-02-2013, 08:41 PM
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I think someone's mad because he polished a piece of ****.
Quoted for truth.

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No one here knows what they are talking about. You should try Pirate 4x4 they will be happy to help you.

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post #29 of 67 Old 10-02-2013, 09:37 PM
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600 plus dollars on a brake kit for a d35. I got free chromos and a new Detroit for my d35 when I had it. The only reason it had those parts is because I got them for free. You can find a used 8.8 with disc brakes, a LSD, and your gear ratio in it and do the swap for about that. You'd have disc brakes, way more strength, and your pride back.
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post #30 of 67 Old 10-03-2013, 10:45 AM
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Basically, any one can choose to do something that best benefits them and their end result, whether by upgrading the current axle or by swapping it out for a tried and true replacement. Yes, it too has to do with your budget, and true, this swap may be only a couple hundred bucks in the beginning, and it could turn out that it can cost you a couple grand in the end, but it's all how we choose to approach it. I chose a Ford 8.8 because the benefits of it outweighed the limited practicality of the D35. Of course I don't have it installed yet (only because I am still rounding up the necessary brake parts), but in the end, my solution can and may differ from that of anothers solution. But, if I knew that I didn't need the higher gear ration, or the LSD, or the added beef of the axle shaft, or the ability to limp off the trail with a broken axle shaft because it has disc brakes to keep the shaft from coming out, then I would have stayed with the D35 and performed the necessary mods to make it more reliable.

To basically put it simple, to each their own.

Robert.

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