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Old 10-05-2013, 09:52 AM   #1
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Estimate for 8.8 swap

Hey everyone. I got a quote the other day to get an 8.8 thrown into my YJ since I run 35's and I'm currently spinning them with 3.07s thanks to the PO.

The quote I got was this:

$550 regear front dana 30 to 4.56 including new carrier since the old is too small

$300 8.8 rear end with all new seals, 4.56 gears and posilock

$100 flange adapter

$225 labor/welding stock

$1175 total for everything including brake work. The 8.8 has drum brakes but honestly I don't feel I really need disc brakes. It stops well enough. I also get to keep my old axle which is the stock 35 with a detroit locker. I might be able to sell it off or trade it to an AMC salvage yard in the area for something.

Is this a fair quote? It's a few hundred less than I was expecting. The owner of the shop was very knowledgeable and nice. He also had a buggy and several jeeps there and has great reviews.

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Old 10-05-2013, 09:55 AM   #2
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Thats a good deal imho. I had $500 in just my 8.8 swap. That was on a budget, and It's stock 4.10 gears.

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Old 10-05-2013, 10:03 AM   #3
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I think its good too. You said $300 for the 8.8 new seals and 4.56 gears. That's about how much gears cost with a new install kit. So a score for you I guess. Also you didn't say anything about how much he is charging for the new parking brake cables, spring perches and u bolts that will be needed for the 8.8 install. Is he fabricating these?
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Old 10-05-2013, 10:42 AM   #4
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That's a good overall price. But the $100 flange adapter is crazy. You can get them for $30-40 any day.

I had $400 in my 8.8 swap, but I didn't have to regear anything, and I did the work myself. So I'd say you're getting a good deal.
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Old 10-05-2013, 10:53 AM   #5
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Quote:
Originally Posted by AllMudd View Post
I think its good too. You said $300 for the 8.8 new seals and 4.56 gears. That's about how much gears cost with a new install kit. So a score for you I guess. Also you didn't say anything about how much he is charging for the new parking brake cables, spring perches and u bolts that will be needed for the 8.8 install. Is he fabricating these?
$1175 is everything. He is fabricating perches and all of that. It's a real shop with, from what I can tell, quite a few 8.8 swaps under it's belt.
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Old 10-05-2013, 10:54 AM   #6
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Quote:
Originally Posted by YJ fanatic View Post
That's a good overall price. But the $100 flange adapter is crazy. You can get them for $30-40 any day.

I had $400 in my 8.8 swap, but I didn't have to regear anything, and I did the work myself. So I'd say you're getting a good deal.
I think the $100 might also include the brake cables and all that. It's not very clear on the quote.
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Old 10-05-2013, 11:04 AM   #7
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Those are pretty decent prices, actually. Although I agree the flange price is too high. Do some looking for those.
Also, have you considered moving up to 4.88 gears? I run 35"s with 4.88 and I don't regret it one bit. Mine is a daily driver, and I'm still able to hold 70+ on the highway and keep it below 3,000 RPM. At around 65, it turns under 2500 rpm. I'm afraid 4.56 would feel dogged and sluggish by comparison...?

Here's a gold mine link I found extremely helpful in figuring out final drive ratios and speed/RPM comparisons with various setups. All you do is enter your transmission model, T-case, [desired] axle gearing, and tire size. The wizard does the rest and gives you a pretty accurate prediction of your final drive ratio for each gear, as well as what speed your engine will be turning at various speeds.

Either way, good luck on the swap!

http://www.grimmjeeper.com/gears.html
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Old 10-05-2013, 02:16 PM   #8
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If the 8.8 is already geared to 4.56, I'd stick with them. If you have the choice, I'd choose 4.88. Either will be way better than 3.07.
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Old 10-05-2013, 05:05 PM   #9
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I do have a choice in the gearing so I will consider 4.88. I'm not really set on 4.56 so it's an option.

I've been reading about the LSD that the 8.8 has and I'm kind of worried that it will seriously hurt my performance off road. I have a detroit locker but I'm hoping the LSD will hold me over until I can get an electric or air locker. I don't like driving around skidding my rear tires when I go around corners. Do LSDs hold up well on the trails?
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Old 10-05-2013, 07:07 PM   #10
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I run the 8.8 with limited slip and 35s and mine has been great. No issues.
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Old 10-05-2013, 10:20 PM   #11
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Quote:
Originally Posted by Meshugga View Post
I do have a choice in the gearing so I will consider 4.88. I'm not really set on 4.56 so it's an option. Do LSDs hold up well on the trails?
You won't regret the steeper gears. I wouldn't change my 4.88s for anything.
And I too run a limited slip and have never had an issue.
Let us know how it works out!
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Old 10-06-2013, 10:35 AM   #12
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Being in AZ and its a local shop, there has to be a club around to connect with. The shop probably does work for the club members. You can get an idea of the charges that way.
Since there is one shop, there is probably more around as well. Get another estimate for install and labor.

For price comparison on the 8.8, check out eastcoastgearsupply.com. They are specialists for the 8.8 into wranglers. Parking break cables, flange ds ends, mounts-leaf, shocks, gear setups, lockers, complete bolt in, etc. You just choose your options and go from there.
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Old 10-06-2013, 08:37 PM   #13
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I just did 4.88's and installed an 8.8 for myself, and I have over $850 in everything. That is a really good deal.
It is a lot of work, and can take 2 days or so to get it all done right. I know I would charge more if I was doing it for someone I didn't know.
I paid $100 for my axle, and It came with the flange.
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Old 10-06-2013, 10:24 PM   #14
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That sounds like a great price. While he's doing it I'd ask how much more for an Ox or ARB locker. The locker itself will run you $7-800 but now would be a good time to install. I'm going selectable front and rear, I have an LSD and it works great in snow and on pavement, but I want a locked front and rear when needed.
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Old 10-07-2013, 01:04 AM   #15
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Thanks for the info everyone. I think I will go with 4.88. Tomorrow I am going to get some more quotes after I run Crown King for the first time I'm really looking forward to it. I hope it's the last run I make with the D35.

Quote:
Originally Posted by reno92 View Post
That sounds like a great price. While he's doing it I'd ask how much more for an Ox or ARB locker. The locker itself will run you $7-800 but now would be a good time to install. I'm going selectable front and rear, I have an LSD and it works great in snow and on pavement, but I want a locked front and rear when needed.

I can't afford a selectable locker right now.The plan is to end up with ARB front and rear air lockers. I haven't had this Jeep (which is my first) for a year yet so I'm working on making it a workable vehicle first then I'll start the upgrades.

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