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Old 08-22-2010, 06:47 PM   #1
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Hi guys, I'm buying a stock Wrangler and I'm going to throw a 3 1/4" suspension lift and a 1" body lift on it with some 33" tires. My questions is this (and yes it's really ignorant), is it possible to go muddin with this lift or do I need something bigger? I'm pretty broke right now and I was told my a local shop where I live that I can get all of the above minus the tires for about a grand, but I want to make sure that I can go have some fun with this thing after that.

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Old 08-22-2010, 07:20 PM   #2
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Absolutely, that'd be a good lift height for 33" tires too. The only thing to really consider is if your axles are geared low enough so such big tires won't kill your TJ's performance. What engine, transmission, and axle ratio does the Jeep you're going to buy have?

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Old 08-24-2010, 12:58 AM   #3
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Absolutely, that'd be a good lift height for 33" tires too. The only thing to really consider is if your axles are geared low enough so such big tires won't kill your TJ's performance. What engine, transmission, and axle ratio does the Jeep you're going to buy have?
Awesome. Well, it's a four cylinder with a 5 speed. I'm not sure what axle it has. But, I'm glad you brought this up because, I drove it today stock with 31's and I was kind of surprised how long it took to get to 70. Having, said that, what all can I do to keep my performance up?
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Old 08-24-2010, 04:50 AM   #4
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Drop in a 6 Cylinder.
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Old 08-24-2010, 09:48 AM   #5
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To answer your original question. No, you can go muddin with a stock Wrangler without any lift. Type of tire matters more than size.

To continue Jerry's comments, you need to know the axle ratio, especially with a 4, before thinking about larger tires.
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Old 08-24-2010, 10:24 AM   #6
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Awesome. Well, it's a four cylinder with a 5 speed. I'm not sure what axle it has. But, I'm glad you brought this up because, I drove it today stock with 31's and I was kind of surprised how long it took to get to 70. Having, said that, what all can I do to keep my performance up?
About the biggest tire you would want to run with the 2.5L four cylinder engine and you would want to regear from its existing 4.11 ratio (what comes with the 2.5L) to 4.88. With 4.88 gearing, 33" tires would work ok.

However, since you haven't yet purchased it, you may want to reconsider buying that 2.5L equipped Wrangler. A lot of people who bought a TJ with that engine later wished they had instead bought a different Wrangler TJ that came with the 6 cylinder 4.0L engine. Lots of people with the 2.5L say they shoulda bought the 4.0L but no one with the 4.0L ever said they shoulda bought the 2.5L. The mpg mileage is very similar with the two engines because the 2.5L has to be driven so much more aggressively to keep up with traffic.
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Old 08-24-2010, 10:29 AM   #7
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About the biggest tire you would want to run with the 2.5L four cylinder engine and you would want to regear from its existing 4.11 ratio (what comes with the 2.5L) to 4.88. With 4.88 gearing, 33" tires would work ok.

However, since you haven't yet purchased it, you may want to reconsider buying that 2.5L equipped Wrangler. A lot of people who bought a TJ with that engine later wished they had instead bought a different Wrangler TJ that came with the 6 cylinder 4.0L engine. Lots of people with the 2.5L say they shoulda bought the 4.0L but no one with the 4.0L ever said they shoulda bought the 2.5L. The mpg mileage is very similar with the two engines because the 2.5L has to be driven so much more aggressively to keep up with traffic.
must admit.. when i was paying 70-80 a week in gas... I considered it :P
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Old 08-24-2010, 11:39 AM   #8
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Correct me if I'm wrong but from what I understand that jeeps take longer to pickup speed. Do to the fact that they are geared down. To be in the middle of off road and on road proformance. So it's not made to do a 1/4 min in 10sec flat. I also had that feeling when I first bought my first car with a 4banger in it. It seemed to me like it was gutless. But I had to realize that, it was not going to preform like my f150 with a V8 in it. That took awhile to get use to. Remember all cars have a certain size motor for certain purpose (4banger gas saver) (V8 power). Welcome wavey:-)
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Old 08-26-2010, 12:57 AM   #9
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Drop in a 6 Cylinder.
How hard is it to do this? Do I have to change the transmission? Or anything else?
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Old 08-26-2010, 01:11 AM   #10
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How hard is it to do this? Do I have to change the transmission? Or anything else?
You have to weld in new motor mounts, install a new transmission that is up to the 4.0L engine, change the transfer case input shaft to match the new transmission, change the engine computer, and install a new engine wiring harness. It's not impossible but they don't make it easy for you either.
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Old 08-26-2010, 02:16 AM   #11
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get yj. I'll give you $45 for your TJ, cash.
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Old 08-26-2010, 02:56 AM   #12
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Welcome to WF.

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