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Old 05-18-2011, 12:20 AM   #1
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Minimum lift to clear 33s w flat fenders?

I imagine this has been covered, but I have now searched for a couple hours and have not found direct info.

What is the minimum lift I would need to make an 03 Rubicon clear 33x12.5x15s with flat front fenders?

I have found some info on clearing w stock fenders. I'm thinking the fenders and flares are the main hang up. So if you eliminate that issue w flat fenders, I am hoping you can get away w less or maybe even no lift...

Will they clear out back w stock Rubi springs? Obviously, less flexing out back. I do want them to clear w/out rubbing w the front bar disconnected.

I'm hoping MCE comes out w their wide fenders soon! I like the idea of their fenders, but want more tire coverage.

I went trail riding with my pretty stock 97 on 31s. I really think the extra inch of ground clearance combined with the Rubi's lockers will make a very capable trail rig, and still handle well (for a Jeep) on the road.

I'm coming from a f-body and vette, road racing background guys. I just don't want to tip this thing over!

Actually, in the trails I have run so far, to tall and tipping over is a legit fear.

Please, help me stay (kinda) low and tuck 33s!

Thanks
-Shaun-

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Old 05-18-2011, 12:22 AM   #2
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I'd presonally go with a 3" suspension lift...i like a little gap to give room for flex

heres my tj with a 3" suspension and 32's


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Old 05-18-2011, 12:29 AM   #3
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OME 2.5in spring lift will do you just right.. If you ever want to run a TT then you can just add a 1-1.25 bl when ever you want.. Your stability will still be good and your ride will still be like or better then stock
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Old 05-18-2011, 12:42 AM   #4
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Thanks for the quick responses guys!

I have read a lot of good things about OME, so that may well be what I do. However, my concern is not only ride, but stability both on and off road. Sliding sideways in a Jeep, then suddenly catching traction is a scary thing in a Jeep (even at stock height). This has played out on the street in snow and on the hilly trails.

I sent off emails to Savvy and MCE. My pipe dream set up would be a 1.25" body lift (to allow for other cool mods like tummy tuck and gas tank tuck down the road) and MCE WIDE flat fenders, and stock suspension height.

Am I only dreaming, or is this do-able?
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Old 05-18-2011, 12:48 AM   #5
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The front with 33's, very much doable.. But with your rear, Im not sure how much clearence you would get.. while having more then enough to run 33's in the front with flat fenders on stock suspension, the back im just not positive wether it will work or not.. Im sure someone else here will be able to answer that for you if not tonight, then at some point latter today..
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Old 05-18-2011, 01:42 AM   #6
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Depending on how wide you want your tires you should be able to fit them on as is if you have flat fenders on your jeep.

Another thing I seen you mentioned was your new to jeeps and want a low jeep Something you should Definitely look into is "LCG Jeeps" Or "LCOG Jeeps" meaning low center of gravity, you wont tip one of these very easily they are built right. Some people lift them 2.5-3 inches and can fit 37's-40's if done right and still have good downtravel so 33's with flat fenders would definitely clear and I wouldn't be that worried about tipping it.
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Old 05-18-2011, 08:14 AM   #7
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highline fenders...

Either AEV, Rokmen, or TnT
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Old 05-18-2011, 08:26 AM   #8
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33's are fit in 2 common ways:

1. 4" suspension lift with 2" front bumpstop extension and ~2.5" rear bumpstop extension
2. 2.5" lift + 1.25" body lift, with 1" front bumpstop extension and ~1.5" rear bumpstop extension.

Alternatively, you could add 2" of lift alone, with 2" front and rear bumpstop extension, but you don't gain much uptravel over stock. Gaining uptravel is half the point of a lift, but if you don't take it off-road, maybe you're ok with that.

bottom line is you need to change the distance from the hub center to the steel of the fender at full bump & full flex. this can only be done by extending the bumpstops or modifying the fenders - i'm not talking flares, those are plastic and move. i'm talking the steel body. highline fenders are a way to achieve high clearance fenders. 33s can be run on stock suspension with highline fenders in front and extensive fender cutting/modification in the rear.

you'll need some method to reduce the backspacing. this is most commonly done by new wheels, with 3.75-4.25" of backspacing, or 1.25" Spidertrax wheel spacers.
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Old 05-18-2011, 08:29 AM   #9
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Pretty sure you can clear 33's with the highline fenders at stock height. May have to trim some of the rear wheel well thingy.... Don't really think Rubi's have an extra inch of ground clearance tho'......... Just stiffer springs.

as usual, Unlimited has beat me to it and said it far more eloquently than I.........
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Old 05-18-2011, 10:40 AM   #10
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I had 32s on my TJ with NO lift and stock fenders and flares.

Im sure you could getaway with 33's, a 1" body lift, and the flat or tube fenders.
Other things just need to be taken into consideration like bumpstops, and suspension travel.
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Old 05-18-2011, 10:45 AM   #11
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I think you might be able to swing 33s with flat fenders and 1.25" BL. The issue is gonna be in the rear. You would probably have to do some trimming to make sure you dont rub when stuffed.
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Old 05-18-2011, 11:47 AM   #12
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I hacked up the rear on my LJ and gained 2.75" of clearance. That means I could add a 5" larger tire with the same lift. I've heard there is more metal on the TJs, but it can probably be done.

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Old 05-21-2011, 04:49 AM   #13
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Quote:
Originally Posted by Northwest4x4 View Post
Depending on how wide you want your tires you should be able to fit them on as is if you have flat fenders on your jeep.

Another thing I seen you mentioned was your new to jeeps and want a low jeep Something you should Definitely look into is "LCG Jeeps" Or "LCOG Jeeps" meaning low center of gravity, you wont tip one of these very easily they are built right. Some people lift them 2.5-3 inches and can fit 37's-40's if done right and still have good downtravel so 33's with flat fenders would definitely clear and I wouldn't be that worried about tipping it.
So, I have been reading about LCOG Jeeps and drooling over Metalcloak fenders. I think you hit it on the head, LCOG is the name for what I have in mind.

MC says there fenders will clear 35s at stock height. That has me wondering if 35"s are to much for the 4.10 gears.

Even if I stay w 33s, and run Metal Cloak fenders, what about the back? From searching it seems the main rub issue is the rear spring purch, but that is a stock backspacing issue, right?

What else do I have to worry about out back. I really like the idea of 33s or 35s at stock height. Unfortunately, my Rubicon came w a 3" body lift and 7" suspension lift (which I plan to delete), so measuring clearance for stock height is difficult at the moment.

Any one have a link or just general info on rear tire clearance?

My searches aren't finding all the info I want.

Thanks
-Shaun-
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Old 05-21-2011, 09:07 AM   #14
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tube fenders and a jks 1.25'' bb/ 1'' mml with a tummy tuck..

i plan on running the same setup with the 1.25'' lift my acos gives me.. but i may move up to a bigger tire depending on how much room i got.. that means im taking my 2'' coils out from the front and lowering the rear acos back to 1.25''

heck with a hi-line kit and a 2.5'' lift, rokmen is running 40s i think..

if you have rubbing issues with just the jks bl and tube fenders, 50 bucks for 1'' bb pucks, or you could get a 2'' kit, coil or bb, with shocks..

i plan on doing aftermarket control arms and a tt also.. but until im back in the states ill just be ordering things
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Old 05-21-2011, 09:14 AM   #15
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Quote:
Originally Posted by XJ Knight View Post
OME 2.5in spring lift will do you just right.. If you ever want to run a TT then you can just add a 1-1.25 bl when ever you want.. Your stability will still be good and your ride will still be like or better then stock
This is really your best option. I have this lift + the BL and TT. I've never felt in real danger of tipping over. My Jeep feels very stable to me. YMMV.
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Old 05-21-2011, 06:14 PM   #16
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Rear:
What you want to do can be done but with money spent. For stock height suspension you will have to cut the rear fender well depending on tires size. You can bump stop the rear by x amount if you don’t want to cut a lot to keep the tire from eating up everything. You will not have as much up travel the more you bump stop the rear therefore causing the tire not to go up. If the tire can not go up more and needs to it will give that tippy effect. You are going to need a longer shock and spring to allow the tire to cycle up and down with terrain since its at stock height. You can outboard the rear shocks to run a longer shock or run coilovers (shock and coil spring all together, very expensive) you can achieve more up and down movement.

The front works the same as the rear. You dont really outboard the front as its allready done.

Summery:
Tire goes up = no sheet metal there or bump stop it if sheet metal is there.
LCOG is no good for mud, really rocks.
Need longer shocks and springs to allow it to flex up and down, done so by changing mounting locations. 3 liking front and 4 link rear axles allows better and more flex.

Since this is your first jeep and maybe new to offraoding from your questions your best bet is to do a small lift with a body lift. If you do a body lift go ahead and do a motor mount lift. With the motor mount lift you more than likely will not need to do a transfercase drop of 1”to keep the rear pinion angle happy. If its not happy it will vibrate and to fix it you have to drop the skid plate down some or buy a CV double cardin rear drive shaft. The body lift is good for tummy tucks. It pushes the tranny up allowing it not to hang on things. When this is done you will also have to buy rear upper and lower control arms to make the pinion angle happy. Control arms rotate the axle upward.

What kind of trails are you running? If you want some really LCOG then go with a buggy. Thats what I'm working toward next. I'm going to sell my second jeep and fund a buggy. It will be rocking 40 something's on rockwells, big block, and still very low. No lower than the tires will allow because the axles can only go halfway up the tire and it's all tube framed right on the axles with nothing over the tires.
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Old 05-21-2011, 06:22 PM   #17
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Forgot about your gearing question.

33's
Auto: 4.88's
Man: 4.56's

35's
Auto: 5.13's
Man: 4.88's

Or V-8 swap...lol

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