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Old February 22nd, 2011, 08:59 PM   #1
Jeep ZJ
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Default Axle swap options on a Grand Cherokee

im kinda looking into what would be the best axle swap on my grand front and/or rear or if i should just build up my 30 and 35... heard/seen a dana 44 up front but not sure wat 44. its it a ford?? just looking into it. thanks for any help.

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Old February 23rd, 2011, 11:08 AM   #2
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Search, search, search...


The only stock-width front Dana 44 options for you are a Ruibicon "faux Dana 44" (a TON of $$$) and NT FSJ/Grand Wagoneer (right width, but 6 x 5.5" bolt pattern).

A HP Dana 30 would give you some added benefit (higher pinion & more R&P strength), but you're probably already aware of that.

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Old February 23rd, 2011, 11:45 AM   #3
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HP30/Ford 8.8

/end of thread
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Old February 23rd, 2011, 12:05 PM   #4
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Depends.... What size tire u planning on going up to? That will determine a lot....
Lockers?
Keeping the full-time 4wd or switching to a part time?
Keeping a lower stance or going big?
D/D or trailer queen?
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Old February 23rd, 2011, 02:23 PM   #5
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Originally Posted by SANDVIPR View Post
Depends.... What size tire u planning on going up to? That will determine a lot....
Lockers?
Keeping the full-time 4wd or switching to a part time?
Keeping a lower stance or going big?
D/D or trailer queen?
Agree to an extent, but most people with ZJs aren't going bigger than 33's or 35's and if they do they are asking these questions.
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Old February 23rd, 2011, 07:23 PM   #6
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HP30/Ford 8.8

/end of thread
how much does an 8.8 and a HP30 go for?? i kinda want to stick with a 30 cuz i know i can make it kinda beefy


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Depends.... What size tire u planning on going up to? That will determine a lot....
Lockers?
Keeping the full-time 4wd or switching to a part time?
Keeping a lower stance or going big?
D/D or trailer queen?
35s max but probly 33s
in time yes
it part time and want it to stay that way.
has 4.5 lift but looking into go up to 7 and im running 31 swampers but also have stock tires(on it now)
its my dd
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Old February 23rd, 2011, 08:22 PM   #7
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dana 60 front and 14 bolt rear and be done with it!
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Old February 23rd, 2011, 08:27 PM   #8
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dana 60 front and 14 bolt rear and be done with it!
im down if your paying jake? dont really want to go that big plus cant afford to drop over 2k into a set of axles with goodies
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Old February 23rd, 2011, 09:13 PM   #9
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how much does an 8.8 and a HP30 go for?? i kinda want to stick with a 30 cuz i know i can make it kinda beefy




35s max but probly 33s
in time yes
it part time and want it to stay that way.
has 4.5 lift but looking into go up to 7 and im running 31 swampers but also have stock tires(on it now)
its my dd
WTF man, no offense but you need to run some searches. I paid $20 for a hp30 housing less the shafts and $250 for an 8.8 with 4.10s, welded tubes and 0 miles on it. Deals are out there you just have to keep an eye out. I picked both of them up off of members on this board. WTF do you think you need 7" of lift for? Do you realize what it takes to get there? Serious suspension modification among other things. You can run 33's on 4" of lift easily and 35's on 5" of lift with the proper bumpstopping and some trimming. It makes absolutely zero sense to lift a dd 7" and run 35s on it, mileage is going to suck, driveability is going to suck and it's going to cost you a lot of money to do it right. IMHO you're already running way more lift than you need for 31s.
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Old February 23rd, 2011, 09:22 PM   #10
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WTF man, no offense but you need to run some searches. I paid $20 for a hp30 housing less the shafts and $250 for an 8.8 with 4.10s, welded tubes and 0 miles on it. Deals are out there you just have to keep an eye out. I picked both of them up off of members on this board. WTF do you think you need 7" of lift for? Do you realize what it takes to get there? Serious suspension modification among other things. You can run 33's on 4" of lift easily and 35's on 5" of lift with the proper bumpstopping and some trimming. It makes absolutely zero sense to lift a dd 7" and run 35s on it, mileage is going to suck, driveability is going to suck and it's going to cost you a lot of money to do it right. IMHO you're already running way more lift than you need for 31s.
calm down. i know wat it takes for the most part. yes im searching. thats y i posted this to see wat my options are and wat i may need... 31s i got a deal on and thats wat i could affort at the time. slow your roll man. im just looking into shit.
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Old February 24th, 2011, 08:16 AM   #11
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All I'm saying is everything posted in this thread you could've found within 5 minutes using the search tool, this info is all over JF and MC.
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Old February 24th, 2011, 08:20 AM   #12
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Jeep ZJ-
You can comfortably go 33's with some light accurate trimming and 5.5" of lift. The problem then is that you start to run into handling issues- especially if you are still running short arms.
If I were to do it all over again, I would stick with a good 4.5" lift like Rubicon Express and stick with 32/11.5/ whatever rim size.
Set up your front end with some nice sway-bar discos and loose the rear sway bar all together.

If you want to go big with the 7" lift and 35's and still be streetable, you need to be more concerned with going to long-arms and start setting your suspension up with longer travel shocks with the appropriate bumpstops, limiting straps, and track bar geometry.
Tires are a dime a dozen especially when there are tons of good deals on here for a decent used set.
As for axle sizes, I would go with either a 9" or an 8.8 (explorer take-off with disc brakes) on the rear
And if you were serious about some beef up front, an early bronco narrow 44 will give you what you need for strength. You can always upgrade to molys later.

If you have any inclination of going up to 37's of bigger in the future, just run what you have for a while, save up and go to a 60/14 bolt combo. You will destroy your 30 or 44 so many times that it will cost you less to run the 'tons with stock shafts with up to a 42 and not have any issues. Same amount ot time/ money/ materials to long-arm it just look for a good deal on the axles.

Sorry for the long-winded rant, but I would hate to see you blow as much money as I did on a build like this.

And I'm speaking from experience on every step of a project like this. I've re-done my entire driveline and suspension system 3 times now......
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Old February 24th, 2011, 08:57 AM   #13
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Originally Posted by SANDVIPR View Post
Jeep ZJ-
You can comfortably go 33's with some light accurate trimming and 5.5" of lift. The problem then is that you start to run into handling issues- especially if you are still running short arms.
If I were to do it all over again, I would stick with a good 4.5" lift like Rubicon Express and stick with 32/11.5/ whatever rim size.
Set up your front end with some nice sway-bar discos and loose the rear sway bar all together.
You don't need 5.5" of lift for 33's. I'm running 33's on 4" of lift with no rubbing and only moderate trimming with the appropriate bumpstopping. I don't want to get into the debate about 44s but IMHO the 44 is a complete waste of time. A hp30 will hold up to 35s fine if you're not retarded on the skinny pedal. 5.5" of lift is doable on short arms but I can't imagine it's much fun, hell I'm at 4" of lift on adjustable short arms and the ride sucks.
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Old February 24th, 2011, 09:00 AM   #14
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AJ- I was taking into consideration that he may not have the finesse that you or I may have on the rocks....
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Old February 24th, 2011, 09:13 AM   #15
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AJ- I was taking into consideration that he may not have the finesse that you or I may have with a cut off wheel....
Fixed
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Old February 24th, 2011, 09:14 AM   #16
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Old February 24th, 2011, 04:52 PM   #17
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Originally Posted by SANDVIPR View Post
Jeep ZJ-
You can comfortably go 33's with some light accurate trimming and 5.5" of lift. The problem then is that you start to run into handling issues- especially if you are still running short arms.
If I were to do it all over again, I would stick with a good 4.5" lift like Rubicon Express and stick with 32/11.5/ whatever rim size.
Set up your front end with some nice sway-bar discos and loose the rear sway bar all together.

If you want to go big with the 7" lift and 35's and still be streetable, you need to be more concerned with going to long-arms and start setting your suspension up with longer travel shocks with the appropriate bumpstops, limiting straps, and track bar geometry.
Tires are a dime a dozen especially when there are tons of good deals on here for a decent used set.
As for axle sizes, I would go with either a 9" or an 8.8 (explorer take-off with disc brakes) on the rear
And if you were serious about some beef up front, an early bronco narrow 44 will give you what you need for strength. You can always upgrade to molys later.

If you have any inclination of going up to 37's of bigger in the future, just run what you have for a while, save up and go to a 60/14 bolt combo. You will destroy your 30 or 44 so many times that it will cost you less to run the 'tons with stock shafts with up to a 42 and not have any issues. Same amount ot time/ money/ materials to long-arm it just look for a good deal on the axles.

Sorry for the long-winded rant, but I would hate to see you blow as much money as I did on a build like this.

And I'm speaking from experience on every step of a project like this. I've re-done my entire driveline and suspension system 3 times now......
i was planing on going to 5.5 before i maybe go to 7. and right now i got 4.5 all short armed. i dont have a rear sway bar it snapped like they all do i dont want to do any fender trimming because its hard to get it to look good and ive never done it so i dont want to hack shit up. i am looking to long arm but dont know how soon.

early bronco narrow 44. i guessing thats a front axle?

thanks SANDVIPE! great help and good looking out! sounds like you've been in my spot before. thanks for the info!

edit: looking to stick with the same engine, trans, and case...

Last edited by Jeep ZJ; February 24th, 2011 at 04:58 PM.
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Old February 24th, 2011, 07:09 PM   #18
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There are cut-out fender flares available for the ZJ now to cover nasty cut lines. Both icelandoffroad and bushwhacker offer them.
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Old February 24th, 2011, 07:18 PM   #19
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There are cut-out fender flares available for the ZJ now to cover nasty cut lines. Both icelandoffroad and bushwhacker offer them.
yeah and im not paying 450+ for some plastic. or in icelandoffroad case fiberglass. thats just crazy.

found a early bronco narrow 44 for 100. guess thats a start. calling him tonight.
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Old February 24th, 2011, 07:22 PM   #20
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yeah and im not paying 450+ for some plastic. or in icelandoffroad case fiberglass. thats just crazy.
Have you priced what a 7" lift and the related necessities would cost? Just something to think about.

Craig
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