Join Date: Dec 2010
Location: Overland Park, Kansas
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New 20" Nitto Crosstek's installed - spec's
I just received my OEM '08 8-spoke wheels and went to NTB for Nitto Dura Grapplers after trolling the forum here and toiling for some time over the decision. Somehow I walked out $1500 later with 4 new Crosstek's. I need to verify what they told me about the size and thought maybe someone here could validate the info as well as provide some other answers/knowledge.
They told me the 2006 - 2008 OEM size/aspect ratio is 275/65R20 but the sidewall height looks taller than I recall on trucks that have the 20's on them already. Can any of you out there confirm if that is in fact the OEM size?
Also, I drove in on OEM 17" 5-spoke wheels with the Michelin LTX A/T 2 and I am now noticing alot more "shudder" from the truck over pavement irregularities. Is this normal when going to a 20" wheel tire combo in contrast to the 17" combo? I'm running 65 psi - fyi.
In an effort to give back to the forum, I figured I would provide an update for those contemplating tire purchases and for those having front end issues.
The Nitto's I bought (Crossteks) have turned out to be very quiet over their approx. 40K+ miles and look like they will be ready for replacement at about the 55K mi mark. I tow a 5ver about 10% of the time so considering that data point, I think they've lasted reasonably well. They do pretty well on the street in rain and snow and I think the number one feature of this tire is how smooth it is. Smokes anything I've had prior including the Michelin LTX A/T2 from a smoothness perspective. Brand new, the tread does roll a bit.
The "shudder" I was describing that I thought was tied to the new wheel tire combo turns out to have a very different source. Apparently, the increase in un-sprung mass of the 20" combo exposed the issue before the OEM 17's did. After the last reported dealer visit the shudder occurred only if the 9000's were adjusted to anything but max firm. Ultimately, that ceased to stop it as well - it returned to stay.
So, I decided I had other things to do so I tolerated the shudder and drove the rig with my "all new" front end.
Then the 4WD began to dislike any temps below 20 degrees and would go on strike until it got warmer. Dealer could not find the "vacuum" leak. All parts other than transfer case and ECM replaced - no fix.
So I decided I had other things to do so I tolerated getting out and manually locking in the hubs.
During a recent trip to the dealer on other issues, I report the truck is wondering all over the road in the wind and low and behold - they report all ball joints are bad along with several steering linkage items. They replace them along with most of the linkage (again....I suppose) and not only does the front axle hold vacuum and the 4WD now engage in minus twelve weather reliably, the "shudder" is gone. Neither were the focus of the visit of course and of course this is the second time the ball joints have been purportedly replaced.
This is all FWIW. Either way, I am shudder free for the first time in 50K miles.
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Last edited by CaptnKirk; 01-31-2014 at 11:24 AM.
Reason: Update - Tire Life Summary/Front End Issue Identified - Maybe.