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nhfd01 07-27-2013 07:14 AM

What do i really need with 35's
New to this JKU sport 2013 3.21 gear, I am adding 35's TF 2.5 coil lift with shocks and going to re-gear. Daily driver light trails and mud. What else do I need? Adjustable frt track bar mainly for strength? Tie rods? Want to upgrade where it's needed looking for suggestions

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TheBoss 07-27-2013 07:46 AM

While you are re gearing sleeving the front axle and adding gussets to the c's would help keep the axle happier for awhile. Since the gussets need to be welded on and can melt or distort the factory plastic lined crappy ball joints new Synergy replacements could be installed at the same time. Other than that if you planned on adding a front or rear locker adding it with the regear would be cost effective as well.

Front end steering components on the JK are weak adding the leverage and weight of larger tires will exemplify this. A new drag link and tie rod will help , but are easily added after the above items as time or money allows. With the 2012 and up front driveline angles are an issue flexed out so consider a ds in the future. The exhaust crosspipe may also interfere with the stock driveline at droop. Exhaust spacers or an afe pipe may be needed depending on if you have a 2 or a 4dr.

What brand of shocks are planning on using with the TF kit?

nhfd01 07-27-2013 08:01 AM

Shocks are the teraflex 9550, I was told with these I will not need exhaust spacers I am sure do to travel length. TF rep told me

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Remmy18 07-27-2013 08:17 AM

I would definitely do a front adj. track bar. Stocker is notoriously week and will pull your axle to driver somewhat and that could trip out the traction control. TF and Synergy both make very good aftermarket TBs. good luck man and post up some pics after install.

nhfd01 07-27-2013 09:19 AM

I will post before and after pictures ordering all items this coming up week so should be installing in two weeks hopefully.

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222Doc 07-27-2013 02:53 PM

needs at least 4:56 gears. if it was 4:10 it would be ok. if it was 3:73 ,fair. going from 3:21 at least 4:56

nhfd01 07-27-2013 03:05 PM

Perfect wasn't sure 4.56 or 4.88

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SilverStreaker 07-27-2013 06:47 PM

Not sure why the TF dealer said you didn't need spacers but when I put my 2.5" teraflex bb on there was no doubt I needed exhaust spacers before I went offroading.

SLADE 07-27-2013 08:24 PM


Originally Posted by nhfd01 (Post 15725127)
Perfect wasn't sure 4.56 or 4.88

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4.10 minimum
4.56 DD/highway
4.88 offroad/ 2 lane daily driver


Originally Posted by 222Doc (Post 15725096)
needs at least 4:56 gears. if it was 4:10 it would be ok. if it was 3:73 ,fair. going from 3:21 at least 4:56

I agree. I'm running 3.73's with 285/75R17 (small 33" tire). the combo is comfortable/great for a daily driver but I would be happy with 4.10's.

Since my commute consists of 2 lanes and 40mph - 60mph speeds, I decided to go with 4.88 gears and 35" Goodyear MTR/K. If I saw more highway miles, I would have chosen the 4.56's.

skrach77 07-27-2013 09:53 PM

I'm running 4.88's and 35's- and can still comfortably run 70-75 an get 14mpg's. If I keep it at 60-65, I pull 18mpg's. My around town driving is great- plenty of pep and comfortable merging with traffic.

As my daily job requires a lot of hwy driving- I will be jumping up to 37's at the next tire purchase to gain a few mpg's back at 75.

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