Wrangler better?

[HereinDaRockies]

I also found that a lower tire pressure greatly contributes to the boom sound. I have Yokohama G015 275/65R-18 tires and it seems like 38+ psi greatly lowers the booming noise. I do not remember if this issue was present when I had the stock duelers. Another interesting observation is that there is no booming noise on @Zimm truck and he had K02's. I've also driven a dealership loaner with K02's and do not recall the noise.

Wow.. so very much tire dependent!?

 

[Zimm]

Wah!? Explain this to be in high school physics.. lower psi results in greater boom?

No clue about that. I cranked the camber to 3.5* and upped the psi as I noticed the dealer loaner was running at 48 without wandering. I’m at about 46, and I’m not wandering. I don’t notice any difference in boom noise. How psi could cause a booming noise I don’t know. I’d think lower would have less of a ping, but that’s just from over inflating rubber basketballs as a kid, and likely apropos of nothing here.

 

[shiv.nandak]

Wow.. so very much tire dependent!?

Well zimm and i drove each others cars and even had a conversation regarding the noise my car had compared to his. At that yime my tires were at 32psi. @Zimm keep me honest here if i am mis remembering something.

 

[Commodore]

No clue about that. I cranked the camber to 3.5* and upped the psi as I noticed the dealer loaner was running at 48 without wandering. I’m at about 46, and I’m not wandering. I don’t notice any difference in boom noise. How psi could cause a booming noise I don’t know. I’d think lower would have less of a ping, but that’s just from over inflating rubber basketballs as a kid, and likely apropos of nothing here.

Do you mean caster?

 

[DaveB]

No clue about that. I cranked the camber to 3.5* and upped the psi as I noticed the dealer loaner was running at 48 without wandering. I’m at about 46, and I’m not wandering. I don’t notice any difference in boom noise. How psi could cause a booming noise I don’t know. I’d think lower would have less of a ping, but that’s just from over inflating rubber basketballs as a kid, and likely apropos of nothing here.

I am running at 36 PSI as recommended and find it great, comfortable and not noisy.
Long highway runs they get up to around 42 PSI as they heat up

 

[MurphyMurph]

I have Nitto Trail Grapplers 37x12.5xR17 124Q if this helps not sure what the factory ones were, but when I get home I can look at the tire-rack If it were a light truck tire it would have “LT” in it.

No idea..

My grenadier has the 18” duelers. I run them at 36psi.

Do the 17” KO2s run “cushier” at the same psi?

I have mine pretty much set to factory specs. 41-42psi front and 46-47psi rear. I have ran them at around 38psi all around and it was quieter. Guess I value mpg and tire wear more than NVH.

 

[MurphyMurph]

I have Nitto Trail Grapplers 37x12.5xR17 124Q if this helps not sure what the factory ones were, but when I get home I can look at the tire-rack.

I think it would have “LT” in the size if it were an e-rated light truck tire. What is the per tire load rating on that tire?

 

[Shroomy]

I think it would have “LT” in the size if it were an e-rated light truck tire. What is the per tire load rating on that tire?

A tire marked "124Q" has a load index of 124, meaning it can safely carry a maximum load of 3527 pounds (1600 kg) per tire, and a speed rating of "Q", allowing for safe speeds up to 99 mph (160 km/h). According to Dr. Google

The stock tires on the Jeeps are as followed :

The Jeep Wrangler Rubicon 392 Xtreme Recon package comes with 35-inch BFGoodrich KO2 all-terrain tires (LT315/70R17C), which have a C-rated load range (6-ply).

Here's a more detailed breakdown:

• Tire Size: LT315/70R17C
• Load Range/Ply Rating: C/6PLY
• Tire Type: BFGoodrich KO2 all-terrain tires
• Wheel Size: 17-inch by 8-inch beadlock capable wheels
• Load Capacity: Each tire is rated to carry a maximum of 2039 lbs

 

[84-4runner]

I tell people its a 3/4 ton jeep. jeep tows 3,500 grenadier almost 8,000
parked next to each other you can see the difference

 

[CrazyOldMan]

I tell people its a 3/4 ton jeep. jeep tows 3,500 grenadier almost 8,000
parked next to each other you can see the difference

Just laughed coffee out my nose at that spare cover. Genius.

 

[84-4runner]

not enough room to put " and drinks your beer"

 

[CrazyOldMan]

not enough room to put " and drinks your beer"

Appreciated the strategic placement of the campfire so we weren’t looking at bear junk

 

[Mountain4x4]

The Big advantages of the Grenadier over a Rubicon;

1. Space for Overlanding
2. Built like someone put 30K into a Rubicon, MUCH< MUCH stronger
3. More Reliable
4. Higher Towing Capacity
5. Slightly better off road out the box
6. More Overlanding Functionality
7. More fun to own and look at

 

[MileHigh]

I guess I can see why people compare the IG with the JLU, but is it really the best comparison? I think the real competitor was the last generation LandCrusier here in the US, not the new one. So that isn’t really valid anymore. Really, why not look at a comparo at price point for Jeep- one of those Wagoneer models. That gives you similar price point and probably closer in final design- at least fixed roof. Maybe the IG is in between the JLU and the wagoneer model. I’ve had Grand Cheerokees a decade ago and maybe those would have been closer- but frankly Jeep, to me, lost its way outside of the Wranglers. The 4Runner walked away from the JGC, or really the other way around since the 4Runner didn’t change.

Maybe my thoughts on real comparo is not right- I don’t really know that much about them, outside of that the one on the showroom floor was over $100k.

I had/have a JLU 21 and now a 23. It is the Sahara, it’s for the kids. I think the Sahara is closer in some ways than the Rubicon. I guess it is what you want to do with it and what you want to ‘say’. The Jeeps are great at turning them into trail gremlins- but to me that is the activity FOR them, the IG is about GETTING to the activity. More of the expedition/overlander concept.

I have (son) a 23 4Runner. That to me is more IG than the Jeeps. Talk about a different concept on head room and view outside. Plus, yes it’s a Toyota, but damn, that thing is tinny. The doors feel wimpy- and that 5speed….damn, that thing feels slow. And you can’t get close to the IG by throwing money at it.

The IG is just, different.

I still think it competes with the last year of the V8 LandCrusier more than anything. There is no ‘better’ version of it out there now- especially if you want to tickle your 1993 NAS 110 itch.

If jeep had come out with the Grenny, but wrapped in a Grand Wagoneer circa 80-90, they wouldn’t have the sales problems they are now.

 

[Zimm]

Do you mean caster?

yea. opps. thanks.

 

[Zimm]

No clue about that. I cranked the camber to 3.5* and upped the psi as I noticed the dealer loaner was running at 48 without wandering. I’m at about 46, and I’m not wandering. I don’t notice any difference in boom noise. How psi could cause a booming noise I don’t know. I’d think lower would have less of a ping, but that’s just from over inflating rubber basketballs as a kid, and likely apropos of nothing here.

caster not camber. I farted in my head. I cannot seem to edit the misinformation, so, hopefully anyone that reads that, reads further down.

 

[Zimm]

Well zimm and i drove each others cars and even had a conversation regarding the noise my car had compared to his. At that yime my tires were at 32psi. @Zimm keep me honest here if i am mis remembering something.

you're on. yours had more boom, but on the small stuff which what we have plenty of around here.

Maybe its tire compound?

 

[Cncpt2]

"If jeep had come out with the Grenny, but wrapped in a Grand Wagoneer circa 80-90, they wouldn’t have the sales problems they are now." My thoughts exactly -

As to comparisons....This is like commenting on an oil thread so I'll tread lightly, but just buy a V8 LC or Gx460 > none of the problems and 90% of the capability

 

[WanderingSniper]

I was a Jeep guy for the last 11 years and sold
My 392 to get a Grenadier. I do miss the V8 power and insane 0-60. To me the Grenadier feels more planted when I drive though, and wind is no longer an issue. My Jeep was super fun and turned heads everywhere. The Grenadier is like a Jeep for grownups though and it’s more fun to camp in. The Jeep is also more mountain goat while my Grenadier is more camel.