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post #1 of (permalink) Old 06-16-2000, 07:12 AM
ronin
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Largest tires on stock gears?

What is the largest tire I can run on stock gears before I see a big difference in performance? I am running 3" National Springs and have a set of 2" lift shackles on the way for a 4" total lift. I need to fill out my wheel wells as the tires I have are donuts (205/65R15).


Also any opinion on tire width and rim size. What width works best (wider or narrower)? What about rim size? Should I go with 15x7 or 15x8? I want to go bigger on the tires later, will I be ok with a 15x7 or do I need to go wider?

Thanks

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post #2 of (permalink) Old 06-16-2000, 10:43 AM
mike shannon
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Re: Largest tires on stock gears?

you are going to miss the power with any bigger tire,but i ran 32x11.5 on the stock gears. can't say it wasn't a dog but we went down some pretty good trails with it.just for get about 5th gear on the road. i put about 10,000 mi. on mine be fore i put in the 5.12s.my self i like a wider rim than alot of the people out there,mine are 15x10s off my bronco. never busted a bead yet, but i don't go below 6 psi. mike

88ht,two87s,88.5 spoa,32.5x11.5 5.12 f&r,rock cage,4.16 T case
post #3 of (permalink) Old 06-16-2000, 11:51 AM
 
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Re: Largest tires on stock gears?

Well your first question regarding the width. Narrower tires provide better traction in certain conditions, like snow covered roads and such.
Wider tires handle the deep mud, sand better cause they tend to "float". They also handle boulders better (w/ proper psi) cause they don't transmit as much shock to the suspension componants as narrower tires would, and you get a wider foot print to grip and grab the boulder better.
I think that with stock gearing you can make very good use of a 31" tire. It'll give you way more axle clearance than your stockers. They will make your gears a little taller, but if you're careful, you can do a ton of wheelin. The perfect match cosmeticly is the 8" wheel with the 31"s. It'll give almost a perfectly straight side wall profile. And it will stick out of your fenders just enough to look a little wider than stock.
Good luck,
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post #4 of (permalink) Old 06-16-2000, 03:41 PM
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Re: Largest tires on stock gears?

31x10.50x15 is about as big a tire you want to run with stock gears, but you'd better have a GOOD clutch. 8" wheels are good for this combo. It will be aggrevating to drive until you get some gears, though.

TJ

post #5 of (permalink) Old 06-16-2000, 04:16 PM
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Re: Largest tires on stock gears?

I agree with all above posts man. The first zuk I got had 35/14.50/15 mickey thompson in it. Had completely stock gears. On the road, 3rd was usless unless you were going down hill with a tail wind. Usually just ran it in low range everywhere I went.
Later
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post #6 of (permalink) Old 06-17-2000, 07:50 AM
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Re: Largest tires on stock gears?

I've been running stock gears and 31's for several years now. Yes, there is a big difference in preformance. I ran 235/75's for a while and they didn't bother the engine to much. But with the 31's it's hard to use 5th gear. I don't regret using 31's. I've only been stuck once where I didn't have enough "gearing" to turn the tires over. I will re-gear as soon as I have the money. But until then I can still get around fine. I'm using 8" rims. My only problem is my backspacing is to much. My tires rub a little on the springs when at full turn.

If you use 31's and with the lift combo you have, you'll be able to go anywhere you want. Then save for a GRS 1 or GRS 2 :>)


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post #7 of (permalink) Old 06-19-2000, 10:02 AM
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Re: Largest tires on stock gears?

I am running 33x9.50 with stock gearing, I get around ok, but I am going to be getting 5.12 soon. normal driving is ok, but climing steep hills, and things is pretty hard.

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post #8 of (permalink) Old 06-19-2000, 11:22 AM
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Re: Largest tires on stock gears?

I run 31 x 10.50's but I use the stock 5.5" rims. This makes the sidewall "pull-in" more which I think protects it more and softens the ride some. Especially with brick like 4-ply sidewall tires. I almost never use 5th and have angered my clutch more than once on the trail. I also get some rub on my springs. I have no lift but removed or beat into submission everything that was in the way.

Troy

post #9 of (permalink) Old 06-19-2000, 01:43 PM
ronin
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Re: Largest tires on stock gears?

Thanks for all of the suggestions and advice. I think I am going to go with some 30x9.5R15 mounted on 15x8 rims. Now I just need to decide on a rim style

Later

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