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Go Back JeepForum.com > Models > Jeep Grand Cherokee & Commander Forums > ZJ Grand Cherokee Forum > ready for 8.8..what would/did you do?

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Unread 06-21-2013, 06:11 PM   #16
tucsonzj
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if you have the 249 tcase, dont lock your front unless it's something like an ox locker where it's selectable.

I'm in the same boat, have 6 8.8's to choose from and am figuring out details on what to get what not go get.

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Unread 06-21-2013, 10:25 PM   #17
srieger
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Luckily i have the 242 TC! I lucked out this time..bought my jeep not knowing a thing about them and coming from a mmustang crowed..after reading up about lift types and what not i was thrilled to learn i had ths 242 in it. One less thing i need to modify lol. Im thinking with the front locked, if i can snag a 8.8 with a lsd in it i may be ok running like that..i mean i do very litgle crawling.everything i wheel is pretty novice to intermediate really. I mean its jersey..we cant be too picky with what legal land we're given lol.
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Unread 06-21-2013, 10:31 PM   #18
srieger
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Ideally my 8.8 will have 4.10's and an lsd in it with disk breaks..but my hp30 is already geared at 3.55 which is my stock ratio..only reason were holding offinstalling the 30 is the see whether i can find a 4.10 8.8..if i have to settle for 3.73s i guess so be it..wondering if gearing or lsd is more important when finding a rear..and thoughts?
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Unread 06-21-2013, 10:44 PM   #19
tucsonzj
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Quote:
Originally Posted by srieger View Post
Ideally my 8.8 will have 4.10's and an lsd in it with disk brakes..but my hp30 is already geared at 3.55 which is my stock ratio..only reason were holding offinstalling the 30 is the see whether i can find a 4.10 8.8..if i have to settle for 3.73s i guess so be it..wondering if gearing or lsd is more important when finding a rear..and thoughts?
from what i've been told, lsd isn't worth a da*n on the trails. And hey, show the 249 some love, she hangs a little lower, but so does my left ball and it does a great job.

But seriously (that'll get edited fast) it's a stronger case then your 242. I am on the fence between 3.73's and 4.10's. Reason being, G2 and yukon gears are far better then stock gears in jeep or ford. So I rather get the 3.73 now to match my current gear, then upgrade to 4.10's or maybe something else when appropriate.

be glad you have an hp30 already, i gotta find one to replace my lp. As stated, negative of lsd is you cant' lunch box it. You have to pull everything and start from scratch basically. Here's my basic plan as of now

8.8 with 3.73's open diff (matches current gearing and will work up to 33's)
disc brakes for sure
Either Artec truss kit or IRO kit (no truss)
spacers to cover 1 1/2 (or whatever amount it is) to realign wheels with front since 8.8 is shorter
Eventually, upgrade to G2 gearing (haven't decided what as of now)
New diff cover ****important, the one that comes on it is crap.
OX or other locker (money issue)
For coating axle, chassis saver from monstaliner or rustoleum
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Unread 06-21-2013, 11:19 PM   #20
kg6mov
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Some lsd is ok, but at 33's it's not gonna be as helpful. Lunch it and be done. Artec truss is the way to go.
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I heard someone yell "mall crawler" from the back porch. I'll go see who said that. Be right back.
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Unread 06-22-2013, 05:30 AM   #21
srieger
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The guys from my local shop actually turned me on to the artec truss. I planned on going iro since i LOVE their products and they said from an installer stand point, artec is less of a pain to install because theres less measuring..iro is just brackets just have to be perfectly measured and mounted on both sides. With the truss, they throw it in and everythings already measured and marked..saves a hoir or so of work, which translate to less labor bill for me lol plus ive heard alot of people who love that truss.

Idefinitely want to upgrade the gears, i just dont want to do it twice unless its to regear for 35's lol..to go from 3.73s to 4.10s doesnt seem worth the money to me. But after a couple youtube videos i think im all for a rear locker over lsd. Maybe finding an open diff would be better and less headache..keep the 3.73s and just stick with 31's for a bit longer..
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Unread 06-22-2013, 10:34 AM   #22
kg6mov
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Most people say if you're gonna spend the money to regear go to 4.56 off at least, 4.10 just isn't a big enough change.
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Quote:
Originally Posted by Texas ZJ1 View Post
I heard someone yell "mall crawler" from the back porch. I'll go see who said that. Be right back.
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Unread 06-22-2013, 07:12 PM   #23
srieger
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Im just not sure if 4.56's will be too high for highway driving if i dont go bigger on the tires
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Unread 06-25-2013, 11:08 AM   #24
JohnnyZJ
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the stock lsd in an 8.8 is garbage.
i've heard you can add clutch packs to make them stiffer but i've never done it.

the LSD that came in mine was an open diff. it never locked.
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Unread 06-25-2013, 02:26 PM   #25
riot1987
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Quote:
Originally Posted by JohnnyZJ View Post
the stock lsd in an 8.8 is garbage.
i've heard you can add clutch packs to make them stiffer but i've never done it.

the LSD that came in mine was an open diff. it never locked.
^^this. Ive heard the same as well. My LSD seems to hook up under a moderate load. Not too sure if its really tightening up as much as it could/should though.
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Unread 06-25-2013, 02:37 PM   #26
nickhay13
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I have an aussie locker up front on a stock LP D30, 4.56 gears, turning 33's. No problems. When making U-Turns or parking in tight spots it clicks, but doesn't bind.
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Unread 06-25-2013, 04:08 PM   #27
speedbucket
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I held out for an open 410 8.8 with disc to drop in a lumchbox locker. I sourced some 410 hp30 gears and a master install for my hp30 and dropped them in with a truetrac. I just planned on welding the tubes on the 8.8 and doing a plate truss for my triangulated uppers
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Unread 06-25-2013, 04:52 PM   #28
tucsonzj
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Quote:
Originally Posted by JohnnyZJ View Post
the stock lsd in an 8.8 is garbage.
i've heard you can add clutch packs to make them stiffer but i've never done it.

the LSD that came in mine was an open diff. it never locked.
Wish I could remember who on here used to be a ford mechanic, he told me something about this. Said a few discs added to the factory lsd makes a world of difference. Need to look through my pm's if you want to know more
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Unread 06-25-2013, 07:11 PM   #29
Taz360ZJ
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I picked up my 3L73 8.8 for $80 complete disc to disc with new calipers, rotors, and pads on it. Had the tubes welded, Artec truss welded on it, and I put all new Timken seals & bearings in it.
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Unread 06-25-2013, 08:34 PM   #30
riot1987
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Neat. Tell us another story
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