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Unread 05-20-2010, 09:01 PM   #1
troy32323
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Best tire choice

I am back. I had a 05 Rocky Mountain Edition TJ and traded it in 9 months later for a 350Z. After 4 years I sold the 350Z and just bought a 2010 2 door Sport auto. When I had the TJ I put 33 inch Thornbirds on it and it looked incredible but the gas mileage went from 18 to 12 MPG. It also had no power. Trying to avoid that this time.

I am looking to go with an aggressive looking 33 by 11.5 inch radial tire. I will put on a 2 inch BB if it looks like it needs it with the 33's.

My question is strictly about gas mileage and power. What would be a good aggressive looking tire that is lightweight and will not sap a lot of power or gas mileage? A hard compound is good to as it will be used mainly on the beach with some light wheeling. It is my daily driver and I have a long commute.

Also would having 18 inch wheels weigh less overall than 15 inch wheels as there is less tire? What type of wheels weigh the least steel or aluminum?

It is good to be back in a wrangler. Thanks for the help.

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Unread 05-20-2010, 09:19 PM   #2
RMiksits
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My vote would be the BFG AT tires.

I would take a A/T tire seeing has you have a long commute and it doesnt sound like you need a seriouse off road tire.

If you choose a seriouse offroad tire, I would look for Rubicon take offs, or get the MT/R kev's or KM2's. Both

Tire size, LT255/75R17/d assuming you have 16 inch rims. puts you slightly under 32's I think. There the stock rubicon tire size. no lift needed.

Last edited by RMiksits; 05-21-2010 at 12:35 PM..
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Unread 05-20-2010, 09:25 PM   #3
InfernoGirl
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JK's don't need to be lifted to run 33's, but no matter what you do wheel/tire wise, putting more rolling mass on the Jeep will affect the mpgs. If you update your speedo to the corrected size you will get a more accurate reading. Unless you swapped speedo gears in your TJ your odo was off, thus giving you erroneous #'s for calculations.

Alloys are lighter than steel, and each wheel/tire is going to vary quite a bit in how much they weigh. If you are that worried about it, you should spend some time on the tire sites like 1010 tires, and tire rack and find out what each weighs to help you narrow down your choices.

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Unread 05-20-2010, 09:32 PM   #4
troy32323
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I did correct the speedo on the TJ and verified it with GPS. It was a legit 12 MPH. The Thornbirds are almost 100 pounds each. Cool if it is a second vehicle. Thanks for the tip. I did not know tire rack listed the weight of the wheels.

I can give up a little MPH but within reason.
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Unread 05-20-2010, 09:36 PM   #5
RMiksits
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I get 15MPG with my stock rubicon........80MPH on the highway and driving it like I just got it dont help...

Oh wait I did just get it.

BFG Baja T/a might be cool too. apparently they wear fast though.
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Unread 05-20-2010, 09:43 PM   #6
McKBrew
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I'm running the 295/70/17 Nitto Terra Grapplers on Cragar Soft 8's. Each wheel and tire is about 100#.

Still with the Superchips programmer I'm getting about 13mpg around town, and can push 17-18 on the highway.
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Unread 05-20-2010, 09:44 PM   #7
1222
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Anytime you go to a larger tire youíre also changing the overall gear ratio. Thatís why you noticed less power and lower gas mileage. Just a fact of life. What gears do have anyhow?
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Unread 05-20-2010, 09:48 PM   #8
troy32323
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I have an auto with 3.73. That is why I wanted to stick with 33's. It is only 1 inch difference. I guess it would be best with 4.11 but 3.73 should be OK.
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Unread 05-20-2010, 10:08 PM   #9
wilywillie
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255/70R16 is 30x10. I have them in General Grabber AT, and they're good for roads, but not good for trails.
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Unread 05-20-2010, 10:26 PM   #10
Magruder
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Commute/Sand tires

Lucky for you, I'd say that tires for a long commute, and tires for sand are more compatible than tires for commute and tires for mud.

I have had great luck with BFG A/T for things other than mud, and long wearing on asphalt. Still, I'd think an even less aggressive would be better for sand.

I'd look at a "highway" tire, like a mild A/T or A/S, like a Michelin LTX or similar. Long wearing and good mileage at high PSI, and aired down a bit, good in sand.
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Unread 05-21-2010, 04:29 AM   #11
MilitaryJK4455
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Is somebody having blow out sales on tires or something I hav seen more tire threads in the past couple days then I think I ever have since I joined JF
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Unread 05-21-2010, 06:25 AM   #12
troy32323
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"I'd look at a "highway" tire, like a mild A/T or A/S, like a Michelin LTX or similar"

Thanks but looking for an aggressive tire just not quite as aggressive as the Thornbirds.

I a looking at MTR, Nitto Trail Grappler etc.
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Unread 05-21-2010, 08:28 AM   #13
fan45acp
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Quote:
Originally Posted by troy32323 View Post
"I'd look at a "highway" tire, like a mild A/T or A/S, like a Michelin LTX or similar"

Thanks but looking for an aggressive tire just not quite as aggressive as the Thornbirds.

I a looking at MTR, Nitto Trail Grappler etc.
Troy, The Nitto Trail Grappler is very aggressive looking tire that is very quite running down the hiway.While your looking,check out some Good Year Dura Tracs. Just watch the size and weight of the tire you buy. With auto/3.73 I'd not go over 32".........
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Unread 05-21-2010, 12:31 PM   #14
Jeepin_Dad
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My set up is a 2" bb with 285/75R16 Cooper Discoverer S/T, pretty aggresive for an all terrain, on 16 x 8 Procomp alloys. Most of my commute is 45-55 mph and I usually average 17.5 - 18 mpg with the 6-speed and 4.10 gears, I have no complaints about power. They handle nice on the street and handle the trail pretty well also. I have 35k+ on the tires and should be able to get another 15k-20k miles out of them.


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