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ZJ Specs + lots of ?'s for ya'll, yep, I'm a newbie.


 
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slapthefunkyfour
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Joined: 09 Jul 2005
Location: Farmington, Utah

PostPosted: Sat Jul 09, 2005 3:08 pm    Post subject: ZJ Specs + lots of ?'s for ya'll, yep, I'm a newbie. Reply with quote

So, I decided the other day to trade my ford exploder for a grand cherokee. I've figured out that I like the body style from 93 to 98.

The question is, what exactly should I look for when purchasing an older model like this? Are some years better than others? Which ones have cheaper aftermarket parts? Are there any particular problems that I should keep an eye out for? What year did they start putting the coil spring in the front intead of the leaf spring? Which ones are the TJ, XJ, YJ, ZJ, WJ, and all that crap?

Thanks in advance, Matt
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viper24242
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Joined: 08 Jul 2005
Location: Harrisonburg, VA

PostPosted: Sat Jul 09, 2005 4:48 pm    Post subject: Reply with quote

Well, I'm still pretty much a newbie so I figure we have to stick together. I've only had my jeep for about six months and love it. I have begun to worship the solid axle now too.

Here we go,

First and foremost, the 93-98 have, as far as I have seen, cheaper aftermarket parts than the 99-05.

I like the V8s more but that’s because I have one. I put on a Rusty's Air Tube http://www.Rustysoffroad.com , AEM Throttle Body Spacer http://www.truckperformance.com , and a Flowmaster 50 series muffler and I get about 17mpg in the city and 23 on the highway. So don't let the V8 scare you in reference to gas, how can you beat more power anyway.


I have a 94 grand and am happy with it. I am not sure if there are any years that are better than others. Even though I have had a few problems I like it. Expect problem with an 11 year old car though, right. So far I have had the catalytic converter go bad (would happen with any 11 year old car) and I think my Transfer Case is going bad. Check out swampys write up about swapping the 249 out and getting a better Tcase.

As far as I know the grand has always had coil springs, front and rear. They give a good ride because there is a void in the control arm bushings that allow for a more plush ride. The control arms are also made out of stamped steel, I believe, and it has a little bit of give in it.

As for Jeep designations:
WK 2005 Grand Cherokee
WJ 1999-2004 Grand Cherokee
ZJ 1993-1998 Grand Cherokee
XJ Cherokee
KJ Liberty
MJ Comanche
CJ, TJ, YJ are various wrangler body style Jeeps

I think that’s about it. Here are a few sites that I have found helpful:

http://www.summitracing.com
http://www.truckperformance.com
http://www.4wd.com
http://www.redrock4x4.com
http://www.rockratz.com/rrcustomerrigs.html
http://www.rustysoffroad.com
http://www.kevinsoffroad.com
http://www.tomken.com
http://www.trailready.com/bumpers_jeep.html

Magazines also contain a wealth of information
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slapthefunkyfour
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Joined: 09 Jul 2005
Location: Farmington, Utah

PostPosted: Sat Jul 09, 2005 5:37 pm    Post subject: Reply with quote

Thanks Viper. That helps out a ton. From what I've read on here, I guess I should look for one that has 4 wheel drive as apposed to all wheel drive. The 4wd one have the better Tcase right?

Anyone else have some opinions? I'd appreciate it, Thanks
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slapthefunkyfour
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Joined: 09 Jul 2005
Location: Farmington, Utah

PostPosted: Sat Jul 09, 2005 5:51 pm    Post subject: look what I found. Reply with quote

This might be helpful. Let me know if any of this isn't true.

ZJ/WJ trim models, listed from lowest priced to highest.
1993- Base, Laredo, Grand Wagoneer, Limited,
1994- SE, Laredo, Limited
1995- SE, Laredo, Limited, Orvis Limited
1996- Laredo, Limited
1997- Laredo, Tsi, Limited
1998- Laredo, Tsi, Limited, 5.9 Limited
1999- Laredo, Limited
2000- Laredo, Limited
2001- Laredo, Limited
2002- Sport, Laredo, Special Edition, Limited, Overland
2003- Laredo, Limited, Overland
2004- Laredo, Special Edition, Columbia/Freedom Edition, Limited, Overland

Updates:

1994 - Limited gets rear disc brakes instead of drums used on all 1993, and 1994 Laredo Models.
1995- 2WD is offered in Limited trim, disc brakes for all trim models.
1996- 2WD is offered in both Laredo and Limited, 6 and 8 cylinder models.
1998- 5.9 Limited is offered, and only has a single year of production.
1999- 4.7 Liter V8 takes over the 5.2 V8 spot.
2002- Quadra-Drive is offered as an AWD system - 4.7 gets limited production High-Output (HO) version.




Jeep ZJ Produced from 1993-1995

Exterior Dimensions:
Length: 176.7 in. Width: 69.2 in.
Height: 64.9 in. Wheel Base: 105.9 in.
Ground Clearance: 8.2 in. Curb Weight: 3574 lbs

Interior Dimensions:
Front Head Room: 39 in. Front Hip Room: 56.9 in.
Front Shoulder Room: 58.2 in. Rear Head Room: 39 in.
Rear Shoulder Room: 57.6 in. Rear Hip Room: 49.3 in.
Front Leg Room: 40.8 in. Rear Leg Room: 35.7 in.
Luggage Capacity: 40.1 cu. ft. Maximum Cargo Capacity: 80 cu. ft.
Maximum Seating: 5

Performance:
Base Number of Cylinders: 6 Base Engine Size: 4 liters
Base Engine Type: Inline 6 Horsepower: 190 hp
Max Horsepower: 4750 rpm Torque: 225 ft-lbs.
Max Torque: 4000 rpm Maximum Payload: 1150 lbs.
Maximum Towing Capacity: 5000 lbs. Drive Type: RWD
Turning Circle: 36.6 ft.

Optional Engine - 5.2 MPI V8 (MPI stands for Multi-Port Injection)
Horsepower:220

Fuel Tank Capacity: 23 gal.
EPA Mileage Estimates: (City/Highway) for 6cyl
Manual: 16 mpg / 21 mpg Automatic: : 15 mpg / 20 mpg
Range in Miles: (City/Highway)
Automatic: 345 mi. / 460 mi. Manual: 368 mi. / 483 mi.

1996-98 ZJ Dimension changes - (If not shown, it did not change)

Exterior:

Length: 177.2 in. Width: 69.3 in.
Height: 64.9 in. Wheel Base: 105.9 in.
Ground Clearance: 7.7 in. Curb Weight: 3926 lbs.

Interior:

Front Head Room: 38.9 in. Front Hip Room: 56.7 in.
Front Shoulder Room: 59.2 in. Rear Head Room: 39 in.
Rear Shoulder Room: 57.6 in. Rear Hip Room: 49.3 in.
Front Leg Room: 40.9 in. Rear Leg Room: 35.7 in.
Luggage Capacity: 40.9 cu. ft. Maximum Cargo Capacity: 79 cu. ft.
Maximum Seating: 5

Performance Data

Performance for 6 cyl:
Acceleration (0-60 mph): 8.6 sec. Braking Distance: 138 ft.
Road Holding Index: .75 g Base Number of Cylinders: 6
Base Engine Size: 4 liters Base Engine Type: Inline 6
Horsepower: 185 hp Max Horsepower: 4600 rpm
Torque: 220 ft-lbs. Max Torque: 2400 rpm
Maximum Payload: 1150 lbs. Turning Circle: 37.5 ft.

1998 5.9 Limited Performance: (Available only in 1998)

Performance
Acceleration (0-60 mph): 7.1 sec. Braking Distance: 135 ft.
Road Holding Index: .75 g Base Number of Cylinders: 8
Base Engine Size: 5.9 liters Base Engine Type: V8
Horsepower: 245 hp Max Horsepower: 4000 rpm
Torque: 345 ft-lbs. Max Torque: 3200 rpm
Maximum Payload: 1150 lbs. Maximum Towing Capacity: 5000 lbs.
Drive Type: 4WD Turning Circle: 37.2 ft.

Fuel Data

Fuel Tank Capacity: 23 gal.
EPA Mileage Estimates: (City/Highway)
Automatic: : 13 mpg / 16 mpg
Range in Miles: (City/Highway)
Automatic: 299 mi. / 368 mi.

1999-2004 Grand Cherokee - the WJ

Exterior
Length: 181.5 in. Width: 72.3 in.
Height: 69.4 in. Wheel Base: 105.9 in.
Ground Clearance: 9.1 in. Curb Weight: 3879 lbs.
Interior
Front Head Room: 39.7 in. Front Shoulder Room: 58.9 in.
Rear Head Room: 39.5 in. Rear Shoulder Room: 57.8 in.
Front Leg Room: 41.4 in. Rear Leg Room: 35.3 in.
Luggage Capacity: 39 cu. ft. Maximum Cargo Capacity: 72 cu. ft.
Maximum Seating: 5

Performance
Acceleration (0-60 mph): 9.1 sec. Braking Distance: 145 ft.
Road Holding Index: .73 g Base Number of Cylinders: 6
Base Engine Size: 4 liters Base Engine Type: Inline 6
Horsepower: 195 hp Max Horsepower: 4600 rpm
Torque: 230 ft-lbs. Max Torque: 2400 rpm
Maximum Towing Capacity: 2000 lbs. Optional 5000 lbs with Tow package

Optional Engines: 4.7 "Power-Tech Engine" 16-valve V8
Horsepower: 235 @ 4800 rpm
Torque: 295 ft/lbs @ 3200 rpm

5.9 V8 - rated same as the ZJ 5.9 limited - this was used in 2002 and newer Overland Edition WJs



Fuel Data

Fuel Tank Capacity: 20.5 gal.
EPA Mileage Estimates: (City/Highway)
Automatic: : 16 mpg / 21 mpg
Range in Miles: (City/Highway)
Automatic: 328 mi. / 430.5 mi.


Axles:

Front: Dana 30 used in all ZJs and WJs 3.55:1 final drive ratio

Rear: Dana 35 c-clip used in all ZJs and WJs. 3.55:1 final drive ratio

Towing package was an option for all ZJs up to mid-95, which had a Dana 44A (this stands for aluminum, it has an aluminum center section) with 3.73 gears and limited slip.
The Dana44A was introduced on V8 models (mandatory) midway through the 95 model year.
The Dana 35C was available with a 3.73 ratio and LSD with the tow package previous to that, or with I6's after 95.

Transfer cases:

NOTE: NP stands for New Process, NV stands for New Venture. They switched names in the 90s for an unknown reason, but are the same company.
NP242 used on I6 ZJs and WJs - This is known as SelecTrac NOTE: 93-94 V8 ZJ's had option of the NP242 Selec-Trac t-case.

NP249 used on all V8 ZJs and WJs, and was optional on 6 cylinder models - This is known as QuadraTrac.

NP 231 used on various "heavy duty" ZJ and WJ V8s - known as Command-Trac
Also in 93-94 NP231 Command Trac was available with the I6's in SE's and Laredo's.

2002 - Quadra-Trac II introduced as option on V8s- known as Quadra-Drive, this is an AWD system similar to Audis and Subarus.
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viper24242
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Joined: 08 Jul 2005
Location: Harrisonburg, VA

PostPosted: Sat Jul 09, 2005 6:29 pm    Post subject: Reply with quote

If a Grand Cherokee has all wheel drive it should have 4 wheel drive low. I think there are some 2 wheel drive Grands out there but just as the salesperson, they will be able to tell you if it is 4 wheel drive or not. If they can't, just walk away.[/img]
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swamp boy
Cherokee Muderator
Cherokee Muderator


Joined: 01 Jan 2004
Location: New Orleans LA.

PostPosted: Sun Jul 10, 2005 6:21 am    Post subject: Reply with quote

Alot of people buy the quadratrak grands (fulltime 4wheel drive) because that is the only way to get the v8..you can always swap in the good transfercase later.. Mr. Green

If you get one with select track or command track you will have a 4.0 straight 6 ..Its a good motor but .....Not a v8... Mr. Green
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1fox2go
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Joined: 01 Dec 2004
Location: Fishersville, Virginia

PostPosted: Sun Jul 10, 2005 11:38 am    Post subject: Reply with quote

yea i have the 4.0 six cylinder and it does fine pretty torquey and its built to last also easy to work on i know in the 5.2 its a pain in the ass to change the plugs, wires and distribitor cap but there is a major difference in the power tho


all depends on what your gonna do if you will wheel almost every day and tow stuff go v8

if its a daily driver and off road every now and then id go 4.0
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slapthefunkyfour
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Joined: 09 Jul 2005
Location: Farmington, Utah

PostPosted: Sun Jul 10, 2005 12:22 pm    Post subject: Reply with quote

Thanks for the tips guys. Keep them coming!!!
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5.9 andy
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Joined: 15 Feb 2007

PostPosted: Tue Feb 27, 2007 10:11 pm    Post subject: Reply with quote

well i love everything about my 1998 5.9 V8, dont let the gas scare u, its prety much the same as the 5.2, mabe 1-2mpg less. but i say its definatly worth it. the nice thing about the 5.9s is that they all have nice interiors and great stock sound system unless they have been trashed.

mods for the 5.9 arnt that hard 2 find, u use the same lift kits and as far as engine goes i actualy have some stuff on my jeep that came off my buddies Dodge 5.9 durango.

i would say get a ZJ that is made between 96-98 because that way u get track lock for when ur in 4low. and if u do decide 2 get a 5.2 get one in those years that is limited model, that way it has 2WD with 4X4.

BTW i used 2 drive a FORD explorer before i got my jeep 2, and i have never looked back. i will never buy another FOver Rebuilt Dodge...EVER!!!

***edit - easy on the profanity - Code3TJ***
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quadna71
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Joined: 02 Jan 2004
Location: Delaware

PostPosted: Wed Mar 17, 2010 4:22 am    Post subject: Reply with quote

a friend has a '95 grand - limited with all the options. he has a boot on his front axleshafts...similar in style to the ones you see on IFS "half shafts". is this something particular to the ABS models or can it be replaced with just a regular axleshaft. the boot is torn and slinging grease and we want to fix it the right way...but until i get underneath and check it out i just am not sure why it has a CV boot.

thoughts?
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kaos
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Joined: 10 Jan 2006
Location: Iceland

PostPosted: Wed Mar 17, 2010 5:14 am    Post subject: Reply with quote

I think it depends on the transfer case / 4wd system. My '93, US spec, ZJ with 231 part-time transfer case didn't have them, but the ones I pulled from the junker (also '93, but Canada spec with full-time transfer case) had. Both of them have ABS. I didn't pull the boot to check, but I think the booted joints may be ball type CV joints. If so, they should provide smoother motion in sharp turns, but may be weaker than the classic joint. The two types of driveshaft/U-joint combos are interchangeable; at least I had no problems replacing the standard U-joint equipped drive shafts in my ZJ with the booted shafts.

--
Best regards,
Kári.
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quadna71
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Joined: 02 Jan 2004
Location: Delaware

PostPosted: Wed Mar 17, 2010 8:22 am    Post subject: Reply with quote

I think the all wheel drive is the key. I can see replacing the ujoint with CVs...but not sure if the other way around will work. Too much bind for ujoints. Thanks for the info - it helps!
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Orangeamc13
Got Rev Limiter?
Got Rev Limiter?


Joined: 20 Feb 2006
Location: East Springfield, Massachusetts - U.S.A.

PostPosted: Wed Mar 17, 2010 11:08 am    Post subject: Reply with quote

Yeah the cv style shafts came with the full-time (249,242) ZJ's. They are fully interchangable. If your buddy has a 249 I would definitely replace the shafts with the cv style. If he's got the 231 or 242 go for the u-joints. I see the the strength differences argued all the time, generally there liked equally. My ZJ came with cv's and I ran them with no problem, until I locked the front, then I switched to 297 shafts.
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TJ Apex
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Joined: 29 Jul 2005
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PostPosted: Thu Mar 18, 2010 11:07 pm    Post subject: Re: ZJ Specs + lots of ?'s for ya'll, yep, I'm a new Reply with quote

slapthefunkyfour wrote:
So, I decided the other day to trade my ford exploder for a grand cherokee. I've figured out that I like the body style from 93 to 98.

The question is, what exactly should I look for when purchasing an older model like this? Are some years better than others? Which ones have cheaper aftermarket parts? Are there any particular problems that I should keep an eye out for? What year did they start putting the coil spring in the front intead of the leaf spring? Which ones are the TJ, XJ, YJ, ZJ, WJ, and all that crap?

Thanks in advance, Matt


One thing to consider, the years you listed 93-98. The On Board Diagnostic systems changed in 96, going from OBD-1 to OBD-2.
OBD-2 is vastly more helpful when a check engine light comes on, provided you have a code scanner, and I recommend buying one, I bought a basic unit for $200. Well worth the money.
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Welfare recipients should pass a drug test to get paid…

02' Apex Edition,
2" BB, 31" BFG AT's
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