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Old 08-04-2007, 02:16 AM   #1
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Question Lift questions

My name is Tanner. I'm 17 and own a 4 Cylinder 99' Wrangler with stock suspension and stock 30" tires. I'm a regular driver, but I love to off-road as much as possible(Mainly mud and trails ). I've got the money now, and I plan to get a 4" suspension lift kit, 15x10 wheels, and 33/1250R - 15/6 108p Open Country M/T Traction Blackwall tires. I have a few questions before I get it though. How will my top speed and millage be affected? Will my center of gravity change drastically? If you can answer these questions or if you have advise for me, please feel free to post them.

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Old 08-05-2007, 03:16 PM   #2
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i have a '99 4banger and a 2 " lift with 31's and i lost a good deal of power, ended up putting a cold air intake in and that brought me closer to stock. some people might suggest re-gearing to get some power back seeing that you are going with 33's, but that is something i know nothing about.

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Old 08-05-2007, 03:32 PM   #3
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Thanks for your input. My top speed is about 80 mph stock, and I want to know what that will become afterward.
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Old 08-05-2007, 04:04 PM   #4
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Some gears should set you back to stock..
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Old 08-05-2007, 04:12 PM   #5
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the stock top speed of a 4-banger is only 80 mph?
is there such a big difference to the 6-cyl?
my tj has 3.07 gears and 32" tires and still goes nearly 100 mph
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Old 08-05-2007, 04:13 PM   #6
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I was starting to think tha'd be a good idea. Does anyone know what gear ratio i'm currently running? and what I should re-gear it to?
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Old 08-05-2007, 05:42 PM   #7
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Thanks for your input. My top speed is about 80 mph stock, and I want to know what that will become afterward.

80mph! are you pulling a trailer! i toped my 4banger at 110 before the lift, tires, and intake!

as for your stock gear ratio i have no idea
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Old 08-05-2007, 05:58 PM   #8
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My name is Tanner. I'm 17 and own a 4 Cylinder 99' Wrangler with stock suspension and stock 30" tires. I'm a regular driver, but I love to off-road as much as possible(Mainly mud and trails ). I've got the money now, and I plan to get a 4" suspension lift kit, 15x10 wheels, and 33/1250R - 15/6 108p Open Country M/T Traction Blackwall tires. I have a few questions before I get it though. How will my top speed and millage be affected? Will my center of gravity change drastically?
Top speed and milage are going to take a BIG hit with 33's and no regear. 5th gear will more than likely become useless. If you are going with 33x12.5 tires, get a 15x8 wheel. 15x10's are not needed. Any suspension lift is going affect the COG(center of gravity)... and 4" is going to up it quite a bit along with the taller tires. You sure you want a 4" though? How much wheeling do you plan on doing? Or how much have you done? But there are other things to buy with a 4" lift that could easily add up to another $1000 if your not ready for it.



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I was starting to think tha'd be a good idea. Does anyone know what gear ratio i'm currently running? and what I should re-gear it to?
4cyl with 5speed has 4.10/4.11 gears. And with 33" tires, a set of 4.88's would be best.
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Old 08-05-2007, 06:55 PM   #9
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your top speed is gonna suffer, it is gonna be around 70, but then again if your top is now 80 idk whats gonna happen

i would suggest getting a 3" susp. lift and 1" BL and MML to avoid having to get drivline things, and as for gears you may have to regear, but thats gonna r un you around a grand, so i f you can live wiht your top speed being 70ish then try to stick i t out for as long as you can

im 17 as well and i know im wicked short on cash and every dollar matters so here is what im getting and suggest for the low end that is still gonna do the job (now if u got all the $$ in thw world, go ahead and get ome or somthing it will be way better than this stuff)

btw jc whintey has free shipping

http://www.jcwhitney.com/autoparts/I...15335610016157

http://www.jcwhitney.com/autoparts/I...27625410541705

http://www.jcwhitney.com/autoparts/P...008213/c-10108

http://www.jcwhitney.com/autoparts/P...007760/c-10108

http://www.quadratec.com/products/16066_00.htm

with that youll have a sick jeep, but wihtout spending thousands on it, only like $1500
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Old 08-05-2007, 07:31 PM   #10
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I did my lift with tires for $1500. I did it myself though. I personally hate body lifts so I would stay away from that. If you plan on driving the Jeep every day you will need to regear like AZTJ said sounds right. BTW you don't need to be doing 80 in a lifted Jeep.
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Old 08-05-2007, 07:33 PM   #11
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I personally would not run 33's on a 4 cylinder engine. I have an 04 Rubicon and won't be running 33's unless I regear. It's my DD though, is this a trail rig?
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Old 08-05-2007, 09:02 PM   #12
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This is a DD as well. After lots of thinking, I'm thinking about getting a 3" susp and 1"bod with the 1" mml. Also I just bought a new cold air intake today, and plan to get a new exhaust after the lift to help me out with power issues. BTW this is a 3 speed automatic, if that matters much.
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Old 08-05-2007, 09:09 PM   #13
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then you will need to regaer wiht the auto!!!
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Old 08-05-2007, 10:26 PM   #14
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I got an 04 4.0 5 speed, and it's a pig in 5th with 33's! Could use a little more gear to enjoy 4th. With a 2.5 I could only imagine with an auto. You might think about some 31's. Just my opinion.
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Old 08-15-2007, 09:12 PM   #15
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Well, this saturday i'm getting a Fabtech 4" sus lift, new wheels, and 33" Toyo M/t's put on for $2,500! I also installed a new performance air intake, and ordered a power chip to help turn those tires with my 4 banger. Hows that all sound?
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Old 08-15-2007, 09:34 PM   #16
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sounds like u have some extra $$ that u need to give to a fellow teenager!
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Old 08-15-2007, 09:43 PM   #17
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Haha, I got good deals. The intake and power chip cost less than $100. I got em on ebay . Plus my uncle does landscaping for Les Scwab, so He said I work for him and I got a 10% discount. I'm still short a couple hundred, but my dad's gonna lend me what i need.
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Old 08-15-2007, 09:45 PM   #18
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I did check out your 55 Wrangler, and its pretty awesome looking
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Old 08-15-2007, 09:46 PM   #19
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imo i think the air intake and power chips on a 4banger is just not worth it... you put a skirt on a pig it is still a pig.... performance on the street = 0.... i'd take that chip and intake money and buy bumpers or sliders..... but hey you got $2500 to burn... do it.... to each his own..... sounds like you'll have a nice lookin rig to crawl over those mall speed bumps.... and if you need to you can hit the back yard and toss some topsoil on it...
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Old 08-15-2007, 09:56 PM   #20
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Haha, yep. The chip and intake were only $100, so its not like i broke the bank on em'. I still need to install the chip, but the intake makes a decent power increase, and it sounds much beefier.
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Old 08-15-2007, 09:57 PM   #21
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abviously jeeps arent for speed but i'd say intake and exhaust are a waste.. save another few hundred and buy a turbo/supercharger if you want power which will replace your intake and some of ur exhaust.
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Old 08-16-2007, 12:45 PM   #22
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Jeeps are not sports cars. They are not made to be flying down the freeway at 80 mph. Even stock a jeep has a high center of gravity. By the way congrats on the deals you got.
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Old 08-16-2007, 01:06 PM   #23
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Thanks, It will all be installed as of Saturday! I'm exited
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Old 08-16-2007, 02:57 PM   #24
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Quote:
Originally Posted by Jma20a View Post
80mph! are you pulling a trailer! i toped my 4banger at 110 before the lift, tires, and intake!

as for your stock gear ratio i have no idea
I top my 2.5L at that WITH lift and 33"s; no gearing or intake

disclaimer: I'm a professional idiot - don't do what I do.
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Old 08-19-2007, 03:04 AM   #25
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I got them, And they look hella good!
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Old 08-19-2007, 05:20 AM   #26
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congrats.. it looks awsome.. for a 17 year old kid you are fortunate to have this rig.. I was trying to get 2500 dollars to get anyride at thet age..

how does it feel, power wise? al truth that intake might make noise it will give you anything but 1hp if that..
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Old 08-19-2007, 10:59 AM   #27
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Quote:
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how does it feel, power wise? al truth that intake might make noise it will give you anything but 1hp if that..
It will make some noise.. I with my mods.. custom intake, throttle body bored, 2.5" tailpiping and flowmaster.. my jeep has changed from a flat power band across the entire rpm rance to a more peaky power. Its a bit different than stock. Something common for 2.5L guys is go the junk yard.. find a 4.0 wrangler and take off the throttle body and bolt it on yours... Yes i said bolt on... I've seen many people that say it makes a difference.. few say it doesnt so. I my self think it makes some change.... The 4.0 TB whisles a bit..

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