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Discussion Starter · #1 ·
Have had these on for less than a week, but wanted to give an initial impression.
Stock I had 245/50/20s.
These are 255/60/18 Nitto Terra Grapplers, on Honda Ridgeline OEM 18x8 wheels with 55mm offset, painted matte black, and I had them mounted at the same time as a 1.5” Traxda front/rear lift.

The terra grapplers were not my first choice, as I would have preferred a Pirelli Scorpion AT plus, G015s, or Conti Terrain Contacts. However, I wasn’t comfortable going with 265/60/18s due to the rubbing and very minimal clearance in the wheel wells, so I went with the Terra Grapplers in 255/60/18, as there’s only two tire choices in that size.

Noise/Comfort:
I was expecting these to ride way more rough, and have way more noise. These are actually extremely quiet for an AT tire. On other vehicles I’ve had BFG ATs, Pirelli Scorpion ATs above, and Revos. Pirelli by far was the best riding and quietest AT tire I’ve had. The Nittos so far anyway, are only a little louder than the Pirellis, and “louder” isn’t even the right word. These are very quiet with just a slight hum. If the radio is on at all, I don’t hear anything.

Handling around town:
I thought the stock Conti Terrain Contacts handled poorly, on wet or dry roads. Wet especially, but I never felt they gripped dry pavement that well either. I’m happy to say the Nittos feel like they handle better wet and dry. I have not had them on the interstate yet though, so will have to add a later update on that. No rubbing after several U-turns, parking in/out in various places, etc.

Performance/ & Acceleration:
On bumps the extra tire makes a noticeable difference from the stock low profile that doesn’t have much give. The lift I put on at the same time however, makes the bumps a little more noticeable, so it kind of evens out to just “slightly” riding stiffer than stock, but when I hit the bump going up my driveway for example, this tire/wheel combo absorbs it better than stock, for example.
Acceleration wise is barely noticeable at all. Maybe ever so slightly, but at only .4” larger in diameter than stock, and maybe 5 more lbs, it’s barely worth mentioning. I discovered Sport mode today as had no idea what that was, and the car feels quicker than it did with the stock wheels in normal Drive mode, if that tells you anything.

Conclusion:
At least initially, I’m super happy with this tire/wheel combo. We’ll have to see how they wear over time, but I’ll be rotating my 5th full-size spare into the rotation. Just waiting on my Rigd Ultraswing to come in so I can mount it, and then in 10K miles the rotation fun can begin.

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I have same tires on different wheels and JSport lift instead. I too like the tires and find them very quiet and more cushy than stock 20". I went with them because I am mostly on pavement, this is a daily driver and the Nitto was very well thought of for that.

I'm curious why you have a 55mm offset there. I do not - maybe because I have KMC 18" wheels?
 

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Discussion Starter · #3 ·
@Cilles... did you happen to measure your lift before and after? I’m curious how much the Jsport lifted your rear.

On the wheels offset, stock Honda Passport, and Pilot Ridgeline wheels are 55mm offset. Aftermarket rims are usually less, like the KMC 708s I also considered are usually 38mm, etc.
 

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Looks awesome REALM!

Do you plan on any off-road activities in your rig?
 

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Discussion Starter · #5 ·
@stevenD ... we have some land I go shoot on, but haven’t been able to get to the backstop hill as it requires a little more off-roading than I felt comfortable doing stock. We’d also like to go camping/overlanding eventually, but I’m planning my camping trailer build which may take a year to get the utility trailer, do an axle flip, larger tires, rooftop tent, etc.
 
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@Cilles... did you happen to measure your lift before and after? I’m curious how much the Jsport lifted your rear.

On the wheels offset, stock Honda Passport, and Pilot Ridgeline wheels are 55mm offset. Aftermarket rims are usually less, like the KMC 708s I also considered are usually 38mm, etc.
Sadly I did not measure before and after very well but seems I got ½" lift at the rear differential, likely due to the larger tires - made possible by the lift (or would they have fit without it? I don't think so).

I'm curious if my KMC 708 from JSport were special and concluded the offset? Someone said they had custom ones and that exact part # is not to be found anywhere.
 

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Discussion Starter · #7 ·
Ah, if you got the wheels from the Jsport package, I believe the offset is the same as other KMCs at 38mm, but the hub bore size has been modified to match the Honda OEM 64.1 I believe it is. Otherwise most KMCs have a larger hub bore size and you have to add a special ring to center the wheel on the Honda hub.

Many are running 38mm offset so it’s not an issue, it just pushes the wheels out further from the vehicle, and honestly I think looks better. The trade off is some running 30.5” tires have had rubbing with 38mm, while others with 55mm report none, but there are so many variables to rubbing (tire type, size, wheel width, etc.) its hard to say the offset makes the difference.

Disclaimer: I’m not an expert, just relaying what I’ve read here so don’t take it for gospel. :)
 
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ah, ok, I've had no rubbing that I have detected and I think it would be pretty obvious as I crank the wheel all the way over often
 

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Discussion Starter · #9 ·
Update...

Took the Passport on the interstate and it’s feeling less than stable at 70mph or higher. Twice it was dry, once in the rain, and while rain stability seems worse, neither performed well. I’m not sure if it’s the lift or the tires, so that’s a bit frustrating. That’s what I get for changing to both at the same time.

My issues are:
1) It feels like it’s swaying more to where steering isn’t solid and straight and I could lose control. I checked the sway bars and they’re still connected and look ok. Could be mental, but I don’t think so. This is not my first lifted vehicle.

2) It feels like the tires aren’t sure footed in the rain at high speeds, but around town they do fine.

Anyone have experience with Nitto tires and this floating feeling, or do you think something with my sway bars is off?
 

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I have the Nitto Terra Grapplers in 255/55/18 not 60's. When I first put them on I noticed that turning the steering wheel was much easier, so easy it was a bit scary. I've gotten used to that and never noticed any issues with wobble or floating per se. I don't feel any swaying and haven't driven in much rain this year :-(
 

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Discussion Starter · #11 ·
I think I have success… My tire pressure gauge was broken and tires were overinflated beyond the 50psi max. Aired down and driving really well now, at least on dry pavement, even on interstate. No more swaying in first test. Will see how they do in rain when it comes.
 
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Discussion Starter · #13 ·
@Davesxx01 ... I am, but stupid me didn't think to check the HUD and just used a manual gauge. HUD and new gauge agree on new pressure... old broken manual gauge read 14psi high. 😬
 
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