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Topic Review (Newest First)
03-07-2012 11:45 AM
ferninAZ
Quote:
Originally Posted by Daniel_M View Post
Are you a 2012? I am not and I drive fine and accelerate fine on surface streets. When you notice the underperformance is highway driving, trying to pass or driving on hilly highways. The Jeep struggles to stay at speed. If you are a 2012 w/ the 3.6L, it is doable since there is the more powerful engine and new transmission combo Chrysler put in there.

As for the measurment of the KM2, there are well documented cases of the 35's actuall measuring just over 33" mounted. Make sure you arent over inflated on them. Most all tires come in under their stated size but some are worse than others.

-Dan
I am running a 2012 and have been happy with the performance thus far. My other off road trucks, an 80 Toyota Pickup on 33" tires, 4" lift and a 4 banger has nowhere near the same performance. My 74 Blazer will outrun my JKU all day long, but leaf springs and the size of that truck make it horrible off road where I live.
03-07-2012 11:23 AM
Daniel_M
Quote:
Originally Posted by ferninAZ View Post
I got my JKU about 3 weeks ago and its still running the 3.73 gears. Its an automatic. I will eventually re gear but it runs 80 mph on the highway no problem and accelerates from red lights with no difficulty. The tread pattern is noticeable when slowing on pavement, right before you come to a complete stop under 5 mph, you know you are running MT tires.
Are you a 2012? I am not and I drive fine and accelerate fine on surface streets. When you notice the underperformance is highway driving, trying to pass or driving on hilly highways. The Jeep struggles to stay at speed. If you are a 2012 w/ the 3.6L, it is doable since there is the more powerful engine and new transmission combo Chrysler put in there.

As for the measurment of the KM2, there are well documented cases of the 35's actuall measuring just over 33" mounted. Make sure you arent over inflated on them. Most all tires come in under their stated size but some are worse than others.

-Dan
03-07-2012 11:01 AM
kjeeper10 Too funny.

"do it once" well-that's out the door.

35's 35's 35's jus rubbinit in more
03-07-2012 10:59 AM
ESP
Quote:
Originally Posted by ferninAZ View Post
I got my JKU about 3 weeks ago and its still running the 3.73 gears. Its an automatic. I will eventually re gear but it runs 80 mph on the highway no problem and accelerates from red lights with no difficulty. The tread pattern is noticeable when slowing on pavement, right before you come to a complete stop under 5 mph, you know you are running MT tires.
I remember that shake and noise well when I used to run a set of MTs. How comparable would running 35s on 3.73 and an auto on the 2012 be to the same set up on 3.21s and a manual on a 2010? I'm pretty sure 6th would be useless but having had this discussion before, that doesn't bother me. I don't use it now with 33s.
03-07-2012 10:53 AM
ferninAZ
Quote:
What gears and tranny do you have with those?
I got my JKU about 3 weeks ago and its still running the 3.73 gears. Its an automatic. I will eventually re gear but it runs 80 mph on the highway no problem and accelerates from red lights with no difficulty. The tread pattern is noticeable when slowing on pavement, right before you come to a complete stop under 5 mph, you know you are running MT tires.
03-07-2012 10:46 AM
MTH
Quote:
Originally Posted by ESP View Post
I have for $800-900 and the new ones would only be $1100. I've put 6K on the duratracs so it certainly isn't a loss, more like renting tires. Yeah that's it!
03-07-2012 10:43 AM
JIMBOX Heh Heh, here again we're agreeing, but


Quote:
Originally Posted by sneck View Post
this is a picture I have from a recent run. 37s, its hard to see, but that bottom part of the tire isn't tucked into the rock, its actually folded over onto the rock!
Having the tire "footprint" fold over the (couldbe jagged) rock/ledge-edge CAN be beneficial--IF you have the tread sidewall "FEET" to strengthen the sidewall/have a stick tranny/mud/water--

COPASETIC-

JIMBO
03-07-2012 10:40 AM
kjeeper10
Quote:
Originally Posted by ESP

What gears and tranny do you have with those?
lol
03-07-2012 10:39 AM
ESP
Quote:
Originally Posted by ferninAZ View Post
I have the 35" KM2's and they are actually right about 34.5 inches on my 17" wheels. I have a spare mounted on my stock spare carrier with no problems. Tailgate stays open and doesn't seem to make any odd noises. It does close kinda hard if not careful though. They are great on pavement, not to loud, but do kick up tons of gravel on the road, where I live there's a lot of gravel on the road so its a concern for people behind me. Oh well, tailgaters beware. Offroad they are fully capable, I live in the desert, so we don't get much mud, but we have tons of rocks and the 3-Ply seems to not be bothered. Overall, I think its a great tire choice. Of course, I wish they were actually 35" tall.
What gears and tranny do you have with those?
03-07-2012 10:36 AM
ferninAZ I have the 35" KM2's and they are actually right about 34.5 inches on my 17" wheels. I have a spare mounted on my stock spare carrier with no problems. Tailgate stays open and doesn't seem to make any odd noises. It does close kinda hard if not careful though. They are great on pavement, not to loud, but do kick up tons of gravel on the road, where I live there's a lot of gravel on the road so its a concern for people behind me. Oh well, tailgaters beware. Offroad they are fully capable, I live in the desert, so we don't get much mud, but we have tons of rocks and the 3-Ply seems to not be bothered. Overall, I think its a great tire choice. Of course, I wish they were actually 35" tall.
03-07-2012 10:34 AM
ESP
Quote:
Originally Posted by MTH View Post
ESP, you clearly have a problem.

That's the first step in dealing with it--you need to acknowledge it. Stand up, look around, and declare out loud that "I'm ESP, and I have a problem."

Then sit down and say "M'eh, screw it, I'm buying 35s."

Seriously, it's not like you'll have an issue selling your DTs. If you've got the cash, just do it. Maybe hang on to your DTs for a few weeks just to see if the power/mileage losses will be too much (I doubt it), in which case you can sell the 35s instead.

You're well past the point of "wasting" money, so you might as well get what you want so you can quiet your inner Jeeper. You've been agonizing for months--it's not going to stop and you'll never decide you really don't want them.

Getting 35s . . . Getting 35s . . . Getting 35s . . .
Meh I just spoke with DTD the 35x12.5 KOs and the KM2s are on national backorder so it's a minimum of 2 months wait on either. I've got offers on the duratracs I have for $800-900 and the new ones would only be $1100. I've put 6K on the duratracs so it certainly isn't a loss, more like renting tires. Yeah that's it!
03-07-2012 10:33 AM
JIMBOX Well, I think a MAJOR part of the 35" draw is social and I'm guilty ofit to, but to a lesser degree-


Quote:
Originally Posted by ESP View Post
About the larger footprint, I was looking at a set of 35x12.5 next to my 33x12.5 both on 15s and they were exactly the same in width only the 35 was about 2" taller. Wouldn't that negect the advantage of a "bigger footprint"?

Us Jeepers are as indecisive as females sometimes. Maybe I should just stay with 33s..."sniff"
I've found that the hankook Dynapro RTO3 series are one of the tallest 33" tires/w very flexable load range "D" sidewalls and

They don't put much additional stress/strain on the axles/U-joints/Brgs and are lighter on gas mileage--but

As I said earlier--SUPTOYOU-

JIMBO
03-07-2012 10:29 AM
MTH ESP, you clearly have a problem.

That's the first step in dealing with it--you need to acknowledge it. Stand up, look around, and declare out loud that "I'm ESP, and I have a problem."

Then sit down and say "M'eh, screw it, I'm buying 35s."

Seriously, it's not like you'll have an issue selling your DTs. If you've got the cash, just do it. Maybe hang on to your DTs for a few weeks just to see if the power/mileage losses will be too much (I doubt it), in which case you can sell the 35s instead.

You're well past the point of "wasting" money, so you might as well get what you want so you can quiet your inner Jeeper. You've been agonizing for months--it's not going to stop and you'll never decide you really don't want them.

Getting 35s . . . Getting 35s . . . Getting 35s . . .
03-07-2012 10:26 AM
Ageless Stranger I don't like KOs myself, but you have to consider how you're going to use it, so I understand why they would make your list.
03-07-2012 10:24 AM
sneck this is a picture I have from a recent run. 37s, its hard to see, but that bottom part of the tire isn't tucked into the rock, its actually folded over onto the rock!
03-07-2012 10:24 AM
ESP
Quote:
Originally Posted by sneck View Post
I agree 100%. I'm just saying, in terms of the tires I see and the drivers I talk to. You can see guys with a set of toyo open countries drop down to 10 psi, and then climb a ledge, and the tire looks the exact same as when he drove into the parking lot that morning! Some people might like that, but overall, most "e" load mt's are very very stiff, and it makes for a not very forgiving ride, on and offroad. the whole point of airing down is to flex the sidewall! granted, you usually don't have a choice; if you have a tire size you want, it will come in one load rating. (certain 33s and 35s will come in either 35 or 315 and so will have 2 different load rating for the same size, but its not common). I'm just saying, if you are looking at a 35, and you have the choice between "c", "d", and "e", the e will give the harshest ride!
Agree. This is the biggest reason I've been considering just getting a set of 35s because I would be able to get them in a Load C on my 15x8s. It can't be that bad even on 3.21s and manual.
03-07-2012 10:20 AM
sneck
Quote:
Originally Posted by ESP View Post
About the larger footprint, I was looking at a set of 35x12.5 next to my 33x12.5 both on 15s and they were exactly the same in width only the 35 was about 2" taller. Wouldn't that negect the advantage of a "bigger footprint"?

Us Jeepers are as indecisive as females sometimes. Maybe I should just stay with 33s..."sniff"
a taller tire in the same width just allows for more sidewall flex. that means the tire will have an easier tire forming to the terrain while maintaining shape and height!
03-07-2012 10:16 AM
sneck
Quote:
Originally Posted by JIMBOX View Post
Better rethink that-- the avg JKU weighs 4900 lbs/w people/load-




Thats Pickup weight--mine weighs ovwer 5200 lbs--couldn't care about the slight difference between "D"/"E" load rate-

My Hanlook "D", I've had to 5 psi--no question of flex--

In the '70s, I ran my 6000lb Dodge Ramcharger on BFG "C", but that was for snow--

I'ts up to the individual--really !

JIMBO
I agree 100%. I'm just saying, in terms of the tires I see and the drivers I talk to. You can see guys with a set of toyo open countries drop down to 10 psi, and then climb a ledge, and the tire looks the exact same as when he drove into the parking lot that morning! Some people might like that, but overall, most "e" load mt's are very very stiff, and it makes for a not very forgiving ride, on and offroad. the whole point of airing down is to flex the sidewall! granted, you usually don't have a choice; if you have a tire size you want, it will come in one load rating. (certain 33s and 35s will come in either 35 or 315 and so will have 2 different load rating for the same size, but its not common). I'm just saying, if you are looking at a 35, and you have the choice between "c", "d", and "e", the e will give the harshest ride, as well as being the heaviest of the 3 ratings!
03-07-2012 10:14 AM
kjeeper10
Quote:
Originally Posted by ESP
About the larger footprint, I was looking at a set of 35x12.5 next to my 33x12.5 both on 15s and they were exactly the same in width only the 35 was about 2" taller. Wouldn't that negect the advantage of a "bigger footprint"?

Us Jeepers are as indecisive as females sometimes. Maybe I should just stay with 33s..."sniff"
Find a worn out set of 37's for cheap on CL and tryum
03-07-2012 10:12 AM
ESP About the larger footprint, I was looking at a set of 35x12.5 next to my 33x12.5 both on 15s and they were exactly the same in width only the 35 was about 2" taller. Wouldn't that negect the advantage of a "bigger footprint"?

Us Jeepers are as indecisive as females sometimes. Maybe I should just stay with 33s..."sniff"
03-07-2012 10:08 AM
JIMBOX Better rethink that-- the avg JKU weighs 4900 lbs/w people/load-


Quote:
Originally Posted by sneck View Post
Everytime I see a "E" load, or talk to something using it, they seem to hate it! JK's/JKU's are not nearly heavy enough for an E load! Tires won't flex at all, and the ride is miserable. I would want it nice as soft, if you're gonna go wide with tall sidewall, make sure that sidewall can flex!
Thats Pickup weight--mine weighs ovwer 5200 lbs--couldn't care about the slight difference between "D"/"E" load rate-

My Hanlook "D", I've had to 5 psi--no question of flex--

In the '70s, I ran my 6000lb Dodge Ramcharger on BFG "C", but that was for snow--

I'ts up to the individual--really !

JIMBO
03-07-2012 09:57 AM
sneck
Quote:
Originally Posted by GREEN-MACHINE View Post
you need that PR-44 first.
have you written that check to the IRS yet? remember, this year they changed the mailing address.

its now

sneck
123 I need 40s
boston, ma 02458

and make the check out to cash. you know, because we're the gvt and we know best! also, in the memo, note that its for "PR44". its the new code we use for taxes
03-07-2012 09:55 AM
kjeeper10 Yep. The older MTR that was on the TJR "stock" was a 31x16 load E.

Horrible
03-07-2012 09:54 AM
GREEN-MACHINE
Quote:
Originally Posted by sneck View Post


time to go to 40s!
you need that PR-44 first.
03-07-2012 09:53 AM
sneck
Quote:
Originally Posted by kjeeper10 View Post
15 C's?

To my surprise. The load C is not much heavier than the BF 35x15
Everytime I see a "E" load, or talk to something using it, they seem to hate it! JK's/JKU's are not nearly heavy enough for an E load! Tires won't flex at all, and the ride is miserable. I would want it nice as soft, if you're gonna go wide with tall sidewall, make sure that sidewall can flex!
03-07-2012 09:49 AM
sneck
Quote:
Originally Posted by kjeeper10 View Post
I've seen your underside. 35's are way to small for your rig


time to go to 40s!
03-07-2012 09:48 AM
kjeeper10
Quote:
Originally Posted by sneck

I think alot of it comes down to landscape. I think I would be happy performance wise with a smaller tire, but in new england, everything is always slicked up. I have yet to do a run were the obstacles were dry. so taking a big 37 and airing it down to 8psi, makes for a nice big grippy piece of rubber that helps you climb up a mud covered ledge. Totally agree that in a dryer environmental, the only need for a big tire is to go over a really really big rock! of course, they I wouldn't be looking at mt's, I'd be all over the at's!

Although, I have to admit. I could probably be just as happy with a set of 35s as I would be with some 37s. So I am going the 37 route purely for looks. Because my wife said so. Can't argue with the little ladies!
I've seen your underside. 35's are way to small for your rig
03-07-2012 09:47 AM
kjeeper10
Quote:
Originally Posted by sneck
personally, if you're sticking with 35s, I would go with the duratracs. Seem like such a great all season tire. Although mtr/ks are what I'm chasing. they look so awesome!
15 C's?

To my surprise. The load C is not much heavier than the BF 35x15
03-07-2012 09:30 AM
JIMBOX ---BINGO--


Quote:
Originally Posted by sneck View Post
I think alot of it comes down to landscape. I think I would be happy performance wise with a smaller tire, but in new england, everything is always slicked up. I have yet to do a run were the obstacles were dry. so taking a big 37 and airing it down to 8psi, makes for a nice big grippy piece of rubber that helps you climb up a mud covered ledge. Totally agree that in a dryer environmental, the only need for a big tire is to go over a really really big rock! of course, they I wouldn't be looking at mt's, I'd be all over the at's!

Although, I have to admit. I could probably be just as happy with a set of 35s as I would be with some 37s. So I am going the 37 route purely for looks. Because my wife said so. Can't argue with the little ladies!
Well said-

Smokemifyougotem

JIMBO
03-07-2012 09:19 AM
sneck
Quote:
Originally Posted by JIMBOX View Post
Probably not a good idea to ask me about 35" tires--




I'm pretty biased on Hankook Dynapro 33's--no need for 35" tires, way to much suspension wear/stress/clearance-for WHAT ?--LOOKS-

I've had no trouble on the Rubicon following "BIG" rigs/w 35/37" and they break things a lot--I don't" Auto helps, in very rocky terrain !

Especially when you airdown a 35" tire--thats already less than 34", air'd down then it's less than 33"--for what? you're already back to stock suspension clearance- so it must be "the footprint" ?

What do you need a bigger footprint for, unless you spend a lotta time on the cliff edge ?

I only airdown in snow/washboard/shale-

You'll probably get better advice from guys with 35's that usem-


Mud guys--please forgive me--I don't do mud

JIMBO

But it's your jeep-
I think alot of it comes down to landscape. I think I would be happy performance wise with a smaller tire, but in new england, everything is always slicked up. I have yet to do a run were the obstacles were dry. so taking a big 37 and airing it down to 8psi, makes for a nice big grippy piece of rubber that helps you climb up a mud covered ledge. Totally agree that in a dryer environmental, the only need for a big tire is to go over a really really big rock! of course, they I wouldn't be looking at mt's, I'd be all over the at's!

Although, I have to admit. I could probably be just as happy with a set of 35s as I would be with some 37s. So I am going the 37 route purely for looks. Because my wife said so. Can't argue with the little ladies!
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