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TJ Wrangler 4" Rough Country Suspension Lift Kits in JEEP Gear Change Packages From ROCKRIDGE 4WD. We Are DIFFIron Cross Customer JK and TJ Wrangler Bumpers now at ROCK

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Unread 03-10-2011, 02:54 PM   #1
RedStep
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4cyl vs. 6cyl

Hey guys
First post to this site, and I'm heading out to buy a TJ in a week or so. One of the biggest things I've been noticing is that a lot of the ones I've come across have 4 cylinder engines, but I'm thinking that's not enough power for a daily driver. Also many of them have half doors, but I would like to have full ones. Are they fairly easy to buy? Any suggestions/comments/concerns would be awesome

Thanks for the time
-Hunter

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Unread 03-10-2011, 03:02 PM   #2
tjsean0308
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I think you have to ask yourself what you want to do with the jeep before you can decide if four furry mammals of power is something you can handle. As far a half vs full doors I have acquired a set of both I run the full in winter and half in summer. I like the flexibility its tough to scrap ice from plastic and will scratch it also un-ziping for tolls in winter is a PITA as well. But the half doors are awesome for trail ridding and summer top down fun. only you know what you will want to live with as far as doors.
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Unread 03-10-2011, 03:05 PM   #3
ChrisTJCO
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I've had both the 4 cylinder and the 6 cylinder as daily drivers. If you can find a 6 cylinder with 3.73 or even better 4.10 gears, it would be a better daily driver. However, my 4 cylinder with 30" tires did just fine for me. If it's in the budget, get the 6 cylinder. However, my current 6 cylinder has the 3.07 gears and I think it has about the same amount of power as the 4 cylinder had with 4.10s.
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Unread 03-10-2011, 03:08 PM   #4
tjsean0308
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I agree its all in the gears!
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Unread 03-10-2011, 03:12 PM   #5
RedStep
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Gotcha, I'll have to ask when I go look. I'd probably put 33's on whatever I get eventually but are gears expensive to switch out if the need should arise?
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Unread 03-10-2011, 03:20 PM   #6
tjsean0308
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I think you will find varying prices and correlating varying qualities of work. but definitely several hundred dollars plus the gear set. I find that 33s under my 4cyl with 4.10 gears is just fine for DD. But that is my opinion and this is hotly debated. I do find myself in 4th on some highway hills but 5 gear is plenty useable for 90% of the highway around here.

I should also add my rig came with full doors and a hard top. I think these would be harder to find in good used shape than the half doors and soft top. something else to keep in mind.
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Unread 03-10-2011, 03:22 PM   #7
ChrisTJCO
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You should start by reading around the forum for a while before you make any decisions. You will DEFINITELY want lower gears (4.10 being LOWER than 3.07) with 33" tires, especially with a 4 cylinder but also with the 6 cylinder. Right now, I'm riding in a 6 cyl with 3.07 gears and about 31" tires (245/75/16s) and I absolutely hate the power as a daily driver around Colorado. I never, ever use 5th gear.

Gears are expensive to change, probably around $1000+ at most places.

Figure out your budget and start searching. Don't settle for just any Jeep, but find the one with the things you want. Ideally, you'd find a 6-cylinder TJ with a rear Dana 44 axle and 4.10 gears.
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Unread 03-10-2011, 03:25 PM   #8
RedStep
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Awesome advice, thanks for the help guys
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Unread 03-10-2011, 03:38 PM   #9
tucanbob
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Quote:
Originally Posted by tjsean0308 View Post

I should also add my rig came with full doors and a hard top. I think these would be harder to find in good used shape than the half doors and soft top. something else to keep in mind.
true. I didn't think it would be a big deal to find full doors. but during the winter when I wanted some, it's tough to find locally. I've been looking for about 6 mnths now.
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Unread 03-10-2011, 03:43 PM   #10
j_niko
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Just my opinion

Engine - there are pros and cons to both but I have and will pass up a good buy on a 4cyl. Purely just a preference, but I just can't see buying and upgrading a 4 cyl. for myself.

Doors - My wife's 2000 has full doors and my 97 has half doors. While hers is beyond a doubt better in the winter, I bought a set of sliders and honestly like them in the winter. I have no problems whatsoever.
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Unread 03-10-2011, 06:29 PM   #11
BlueFlame
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Quote:
Originally Posted by hunterfadynich View Post
Hey guys
First post to this site, and I'm heading out to buy a TJ in a week or so. One of the biggest things I've been noticing is that a lot of the ones I've come across have 4 cylinder engines, but I'm thinking that's not enough power for a daily driver. Also many of them have half doors, but I would like to have full ones. Are they fairly easy to buy? Any suggestions/comments/concerns would be awesome

Thanks for the time
-Hunter
Nothing wrong with the 4cyl. Just don't expect it to accellerate like your 5.0 Mustang. If you insist on quick performance, you won't like the 4cyl and you probably won't like the 6cyl either...
Definitely MUST gear it properly for the tires. Regearing should run $12-1300 all done.

Full doors in good shape aren't very easy to find, and cost a bunch. $1000 a pair or more. Plus repainting.

Hard tops in good shape aren't that easy to find (especially since they need to be local since shipping would be insane) and generally run $600-800.

Best to spend some time reading, figure out what features you want (which doors, a/c, cruise, hard top etc,) and also, if you EVER think you'll go larger than 33s or will get into wheeling, you might want the rear Dana44, and buy a jeep that has them to start with. TJs aren't in any way rare, the right one for you is out there.
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Unread 03-10-2011, 10:03 PM   #12
tchaap
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Quote:
Originally Posted by BlueFlame View Post

Best to spend some time reading, figure out what features you want (which doors, a/c, cruise, hard top etc,) and also, if you EVER think you'll go larger than 33s or will get into wheeling, you might want the rear Dana44, and buy a jeep that has them to start with. TJs aren't in any way rare, the right one for you is out there.
^X2 Read this forum! It will help you more than you can imagine. Once you figure out what you think you want through your reading and research here you'll find that the TJ you want is out there to buy for a fair price.

My .02$...I've had a 4 cyl and now a 6 cyl. When you have the 4 knocker you'll always want the 6. Almost everything else on the rig can be swapped but the two biggies...axles and motor. Go rubicon or at least a Dana 44 rear w/ a 6 cyl.

Good Luck!!
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Unread 03-10-2011, 10:37 PM   #13
oakmckinley
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I have a 4cyl with the 4:10's and 31's and its driven 50miles to and from work and it's just fine. I can pass when I want to but it does get bogged down on hills.

Also I have the half doors with the sliders and they're great for winters, I have a buddy across the street with the full doors and he regrets getting them, saying the half doors are more comfortable. (elbow leaning wise)
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Unread 03-10-2011, 11:43 PM   #14
hustler905
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If I could go back in time, I would find/do differently:

- Either a Rubicon or one with a D44
- Not pay so much attention to model years, there are other more important factors
- Get one with A/C
- Found a less common colour than black

If you hate the half doors you can get sliders for them, and if you're going to do 33's you're (probably) going to want to re-gear unless it's a Rubicon.
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Unread 03-10-2011, 11:50 PM   #15
CherokeeGT
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i have driven a 4cyl with 4:10's they buzz around great but they suck on the highway

if you start with a 4.0 youll never look back
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