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39 inch irok questions

CSR

CSR

Active Member
Location
Mapleton
Yes, 1.6 with a sidekick reduction box (1.8:1) and a 4.7 toyota case with 5.29 diffs. Not a lot of power, no. I have to do everything in 1st gear unless I can get a run at it in 2nd. My problem is that the stock sidekick automatic that I'm running has a huge gap between 1st and 2nd gear. It feels like a shift to third when it goes into 2nd. I can't get out of the big hot tub because of that.

Here's my philosophy, though. I built it to be a lightweight crawler with lots of gear reduction, and I love it. It doesn't have much power, but it crawls anything crawlable and I wouldn't run any tire less than a 39. Yes, you may not make it out of the big hot tub with 39s, but I think that the benefits of 39s will outweigh the costs on your rig.
 
rockreligious

rockreligious

NoEcoNaziAmmo
Location
Ephraim
Im running 39.5's x 16 Iroks, I like them, Im running ave 8 lbs of air with beadlocks and have not lost a bead in two seasons, but they do wear fast on the pavement. they dont grip as well as stickies, but good enough for me and my budget.
 
skippy

skippy

Pretend Fabricator
Location
Tooele
I was lookin at the 39 inch iroks also for the TJ and for price they seem hard to beat but now you guys have me second guessing my decision
 
mbryson

mbryson

.......a few dollars more
Supporting Member
Location
Bountiful, land of rocks
zukijames said:
so out of the iroks its just the 39 that sucks?
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I've yet to see them (any size) work as well as their predecessors. Just my personal, on-trail observations. They don't seem to have a "thing".

Durability - average
quiet - um, nope
traction - average
cost - better side of average, maybe that's their thing?

They don't seem to be a "bad" tire, but Interco didn't seem to make anything better from the older models, in my opinion. (I've not run them) They don't seem quite as durable as a TSL or definitely not a TSL/SX. I believe you'd get similar trail results with a more street oriented tire (Toyo, Goodyear, etc.) and be more comfortable on the street or in a dual purpose situation.

IMHO, the best off-road tire would have Maxxis in the sidewall. That's the best one I've seen in my varied off-road experience. I've seen the red-label BFGs do some pretty funky things as well, but have also seen a few sidewall cuts/damage in those compared to the Maxxis. I've seriously considered a set of blue label Krawlers more than once.
 
mbryson

mbryson

.......a few dollars more
Supporting Member
Location
Bountiful, land of rocks
zukijames said:
Yeah krawlers hook up a lot bettet but they cost a lot more too. Maybe its worth saving up idk
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Here's how I look at it. Let's say the Iroks cost $300 per. The Krawlers, or whatever you decide will work, cost $350 per.

To me it's worth saving up $200 more to get the better performing item than "settle" for a cheaper item. Maybe that's why I have a "Jeep" vs. a Zuk, though? :D :p The Maxxis Creepy's made my Jeep seem to WORK, incredibly well. The Kevlar MT/Rs I have on aren't even in that league and my Jeep doesn't work quite as well now.

I've never been a big BFG fan for whatever reason, but have seen the reds do some pretty awesome things. For my money, I'd take the better durability of the Maxxis (at least from what I've seen) over the BFG unless you got a screaming deal on a set.

For my money, and if I was going to stick with an Interco tire, I'd go with a TSL/SX over the IROK.
 
skippy

skippy

Pretend Fabricator
Location
Tooele
if you can find a set of crawlers for 350 bucks a tire bigger than a 37 where are you finding them......Where are all you guys buying your tires from????
 
mbryson

mbryson

.......a few dollars more
Supporting Member
Location
Bountiful, land of rocks
skippy said:
if you can find a set of crawlers for 350 bucks a tire bigger than a 37 where are you finding them......Where are all you guys buying your tires from????
Click to expand...

Just a for instance. Please feel free to adjust pricing to realistic levels and make your own logical conclusions. Just trying to illustrate my point.
 
GOAT

GOAT

Back from the beyond
Location
Roanoke, VA
skippy said:
I was lookin at the 39 inch iroks also for the TJ and for price they seem hard to beat but now you guys have me second guessing my decision
Click to expand...

I have consistently observed the IROKS bringing suck to a whole new level. As mentioned earlier, they dont seem to do anything well. Dont get any traction on slickrock, chunk like mad in big rocks, lose beads even when used with beadlocks, wear out quickly, and lasty the 39s just look stupid. Interco has positioned the IROK as the thornbirds retarded cousin.


There are other affordable options out there besides IROKs.

Here's one:
39.5X13.50X15C IROK $322.70 (nationaltireandwheel)

39.5x16.5-15 Pitbull rocker $331.99 (4x4groupbuy)
The choice there is pretty clear there;)

Now, if the OP steps up to a 17" wheel he will have far more tires to choose from in the 40" flavor.

These seem to be getting some good feedback for 40s on the cheap.
http://www.tirerack.com/tires/tires...7GEOMTPL&vehicleSearch=false&fromCompare1=yes
 
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