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Old 05-17-2013, 12:50 PM   #1
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New to forum and looking for advice

Hey all,

I will start with some background so you know what I will be using the wrangler unlimited for. I race motorcycles at Baja and needed to get a better chase truck. Now that you know when the jeep is off road it will be in Baja the thing is I live in Ga. so it will be driven all the way to Ca. and back for every race. I know that I need to upgrade the suspension but I don't think I should go over a 2.5 inch.

So questions that I have are....

1. How high of lift
2. what size tire and wheels, please keep in mind fuel milage right now it has 17" wheels but I was thinking that I could go with 16" not sure if that would be better or not. Looking at tires it seems as if the 16's are much cheeper to replace.
3. Can I do anything like reprogram the chip and put better air system on to help not only with power but fuel? Not sure if that would help or not.

I would also like any other things you might think would be worth upgrading.

Thank you

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Old 05-17-2013, 12:54 PM   #2
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This is how the jeep is now, I do have a Gobi roof rack on the way.... I say on the way but they told me it would be 8 to 9 weeks.


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Old 05-17-2013, 02:41 PM   #3
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Probably would have been better off with a Raptor, but a Jeep will do.

Going to need some beefy suspension. Coil overs with res shocks.
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Old 05-17-2013, 03:20 PM   #4
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Yes a raptor would have been great but I needed something smaller and about half the price of a raptor. A bunch of the Trophy Truck guys us Raptors as pre runners, they are sweet!!
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Old 05-17-2013, 03:26 PM   #5
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Go with the teraflex prerunner lift. That is more of a high speed off road lift. Idk if they have a 4 inch but If I were you I'd want:

35" all terrains on 16's more sidewall to air down(BFG AT KO's have been highly ranked in sand)
A 3-4" lift kit with all the geometry corrections
Driveshafts front and rear

I'm imagining if this is your tow rig as well as a chase vehicle you don't want it to break, which is why I suggested the driveshafts right away as oppose to see if they fail and replace them then
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Old 05-17-2013, 03:28 PM   #6
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Also do a quick search online on IFS wrangler kits. I'm going to get flamed, but for Baja, the solid axle isn't as good as it is in the woods. An IFS would be more comfortable for high speeds

Or just get a good higher speed lift like the prerunner kit.

Oh and make sure you have good shocks with the kit
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Old 05-17-2013, 03:30 PM   #7
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Old 05-17-2013, 03:51 PM   #8
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Joeuncool that is nice looking. It will be faster driving in Baja, no towing we are racing motorcycles. I just looked that up $4000 without the shocks. I think a bit of pee came out after seeing that. But man that would be the ticket, everything that I would need. You talked about 35" tires and I am not sure that I would want to go that big due to fuel cost crossing the country. What would be a good 33" combo that might work good?

That is a good video, and thank you for the input.
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Old 05-17-2013, 07:08 PM   #9
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What's the gear ratio on the rig you're building up?

The trade off between towing, MPG and off-road performance might not be as bad with a gear ratio that puts you in the sweet spot for the size tire you go with.
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Old 05-17-2013, 07:20 PM   #10
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hi love your jeep. the teraflex prerunner would be idea but its kinda high. Look at the Rough country long arm kit not sure if they make it in less than a 4" but if they do it would be great. Rustys offroad makes affordable long arm kits. you can run 16" wheels if you want. you can even run most 15" wheels. Cooper stt's are great tires.
Here is a picture of a2013 jku with 3.5" lift and 35x12.50-15" cooper stt's on 15x10 fuel revolvers. Love the Gecko's with black wheels.

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Old 05-17-2013, 08:02 PM   #11
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Quote:
Originally Posted by cornbread82 View Post
So questions that I have are....

1. How high of lift
2. what size tire and wheels, please keep in mind fuel milage right now it has 17" wheels but I was thinking that I could go with 16" not sure if that would be better or not. Looking at tires it seems as if the 16's are much cheeper to replace.
3. Can I do anything like reprogram the chip and put better air system on to help not only with power but fuel? Not sure if that would help or not.
You'll find allot of opinions on all of these issures.
1. I wouldn't go above a 2.5" lift otherwise you will be putting allot of stress on components like the drive line and exhaust. I'm not saying you have to do so but you may need to make extra mods when you go above 2.5".
2. IMHO, 35" tires on 16" wheels are the perfect combo. You are right, the smaller the wheel size, the cheaper the tire and you will have more sidewall for better traction when you air down. However, when you get down to 15" wheels you have to be carefull you get one that will not cause issues with the brake pads, etc.
3. I can't speak on things to help the mileage like programers, cold air intakes, etc since I don't use them. Personally, I don't think any of them help all that much.
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Old 05-18-2013, 07:33 AM   #12
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Live Slow, I have the 3.73 with the tow package. I went with this thinking it would be best for having the motorcycle on the back with the roof rack full of crap for Baja. Hope that I made the right call on that.

Bill, very nice looking jeep and yes the wheels are going to be all black. The white Raceforthewounded.com sticker are also going to be black. 15"x10 fuel revolvers???

BeastMaster, I think that I am with you on the 2.5" lift. I know it will help with the sidewalls on 35" but how much will that effect the fuel milage as opposed to 33"? I like your tribute to the Army Air Corps. I retired after 20 years in 2006, not old enough to have been in the Air Corps, LOL but I did jump out of C130, C141, and C17's for 20 years.

I did get an email and might be picking up 4 wheel parts as a new sponsor so that is going to help with cost. I will just have to see if they can make this happen for us. It is hard to believe that I only have 5 months to get the Jeep ready along with the bike.
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Old 05-18-2013, 10:33 AM   #13
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Originally Posted by cornbread82 View Post
BeastMaster, I think that I am with you on the 2.5" lift. I know it will help with the sidewalls on 35" but how much will that effect the fuel milage as opposed to 33"? I like your tribute to the Army Air Corps. I retired after 20 years in 2006, not old enough to have been in the Air Corps, LOL but I did jump out of C130, C141, and C17's for 20 years.
I went from 33's to 35's (my 315/75R16s are actually closer to 34's) and did not see much of a chane in MPG (~17). But then I'm running 4:10 gears.

Now I understand your choice of color on your rig = "Green Light!" lol
BTW, thanks for your service, what were you CCT, PJ?
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Old 05-18-2013, 02:52 PM   #14
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No Beastmaster I didn't fly them I jumped out, I retired as 1SG of Bravo Company 2/325 82nd Airborne Div. I was Airborne Inf. for all 20, and I can tell you at my age now I can feel every jump!!!

So what do you think with the 3.73 in my jeep will the 35" kill the fuel or will it be better then yours?
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Old 05-18-2013, 02:56 PM   #15
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Just wanted to say THANKS! For the service!!
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Old 05-18-2013, 03:02 PM   #16
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Beastmaster, I just took a look at some 4 door jeeps with the same size tire as you have and they look great!!! You say you have 16" wheels, am I right when I say they are 5x5 bolt pat.? Also what would be a good back space 4.50, 4.75, and how wide should they be?

If you like you can go to my website Raceforthewounded.com and see who we are. Not trying to sale anything just getting the word out to try and help wounded vets. I am starting a nonprofit to help wounded vets get into racing. The site needs updating, we are working on moving everything now then I will update it with the last race (the Mexican 1000) we entered two bikes and took a 1st and a 2nd.

Thanks
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Old 05-18-2013, 03:15 PM   #17
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Thank you Joshua Pines
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Old 05-18-2013, 03:26 PM   #18
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Since it will be a chase truck and driven mostly on pavement and dirt roads I suggest taking a look at AEV, my Jeep is being used a lot like yours except mine will be out hunting with very little rock crawling, their expertise is in expedition vehicles and they are arguably the best at it. I went with 2.5 inch lift and recently took mine to one of the off-road parks to see what it would do on the tuff terrain and it easily handled all of the 4 diamond trails so if your in anything rough it would work out fine for you. The plus on AEV is it handles and rides better than from the factory, I would look at some 32 or 33 inch tires for gas mileage, just get something semi-aggressive for the times you are off-road and possible going through mud. Good luck with your decisions and a tip of the hat for what you are doing for the Wounded Warriors, a very noble cause, worthy of a donation which I will make shortly...... try to stay in one piece.............
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Old 05-18-2013, 06:01 PM   #19
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On the modern Jeeps there are more than a few people with 3.73 gears and 35" tires. However, the terrain you have to run when you get there may not call for the higher clearance, and a good 32 or 33 may be best for $ and weight.

As mentioned before, you may want to gusset up the front axle, or at least get the weld on C brace.

There's not going to be a magic bullet, unless the sponsors fork over some cash :-)
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Old 05-18-2013, 08:31 PM   #20
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Old 05-18-2013, 09:32 PM   #21
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Quote:
Originally Posted by cornbread82 View Post
Beastmaster, I just took a look at some 4 door jeeps with the same size tire as you have and they look great!!! You say you have 16" wheels, am I right when I say they are 5x5 bolt pat.? Also what would be a good back space 4.50, 4.75, and how wide should they be?
This is the wheel I have: http://www.procompusa.com/prodDetail...73&plID=101930
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Old 05-19-2013, 06:06 AM   #22
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Beastmaster, that is a nice wheel and not a bad price at all.

Salty, I think I am leaning to the 33", I will have the Gobi roof rack on it and loaded also so I don't think getting it to high would be a good thing.

Live Slow, I will take a look at what all I can do the the front.
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Old 05-19-2013, 06:13 AM   #23
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16" and 35's

Lift is about 3.5" maybe a little more with RK 2.5" coils.
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Old 05-19-2013, 07:13 AM   #24
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For the record, I'm running 37s on 4:10 and my MPG stayed the same. I even reprogrammed with the ProCal.

If you're looking to run on Baja, I'd also check out and talk with MetalCloak and GenRight to see what they can do for you.
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Old 05-19-2013, 09:34 AM   #25
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Nice looking Jeep Kjeeper!

Kappaknight, I think that I am going with 33" I think it might be best for more road then off. I have been looking at the procomp package they have a Quadratec the 285/75r x16 but I don't want to get anything until I get word from 4wheelparts. I don't know if anyone has run the pro comp xtreme M/T2 or not. They say the have a 50,000 mile warranty but I have read some bad about getting them to replace bad tires.

I will checkout the companies and see what they think.

Thanks for the help everyone, and keep it coming.

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