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Author Topic: Proper Samurai Bushwacker / Wheel / Tire size combo/offset?  (Read 3005 times)

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Offline JDebler

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Proper Samurai Bushwacker / Wheel / Tire size combo/offset?
« on: November 22, 2012, 08:15:02 AM »
For my Suzukalypse project, it looks like I am going to be going with Bushwacker 6" fender flares.  I want to make sure that I get the right size and offset wheel and tire combo.  I have done a lot of searching but I see a lot of conflicting information so I am still not 100% sure so I want to verify before I go ahead and start ordering parts.  I want the wheels and tires to fill the wells, but not stick out or be too inset.

I am thinking a 15" x 10" wheel, with a 30" or 31" tire (to go along with my 3" lift).  Is my thinking correct?  If so...what should the offset (or offset and spacer combo) be?

Thanks for any help!
- Jason
Check out my Samurai build blog!
http://www.suzukalypse.com

Offline tuxblacray

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Re: Proper Samurai Bushwacker / Wheel / Tire size combo/offset?
« Reply #1 on: November 22, 2012, 10:52:37 PM »
Depends on the look that you are after... I have 5" Bushwackers with 34x9.5x15's on 8" Hurricane rims. My rims have a 4" backspace but I also run 1.5" wheel spacers.

I know the voices aren't real.... but they have some pretty kewl ideas!!! Tux.....  ;-)
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Offline Reddog1

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Re: Proper Samurai Bushwacker / Wheel / Tire size combo/offset?
« Reply #2 on: November 23, 2012, 11:06:34 AM »
For my Suzukalypse project, it looks like I am going to be going with Bushwacker 6" fender flares. 

If you are obsessed with the 6" flairs, then my post here will be of questionable value.

I want to make sure that I get the right size and offset wheel and tire combo.  I have done a lot of searching but I see a lot of conflicting information so I am still not 100% sure so I want to verify before I go ahead and start ordering parts.  I want the wheels and tires to fill the wells, but not stick out or be too inset.

Conflicting information is probably largely due to the different uses of the Zuk. For example, a trail only rig can get away with a much larger tire than a DD. Driveability and road manors are much more important on a DD. Gearing cannot be ignored. Another thing to realize, each of us have our own ideas as to what looks good.

I am thinking a 15" x 10" wheel, with a 30" or 31" tire (to go along with my 3" lift).  Is my thinking correct?  If so...what should the offset (or offset and spacer combo) be?

I do not agree with a 30" or 31" tire on a 10: wide wheel. Using my Cooper tires numbers, which are typical, the 30" tire wheel width is 6" to 8.5" wide, with 7.5 ideal. The 31" tire  wheel width is 7" to 9" wide, with 8.5 ideal. I have 8" wide wheels. If the wheel width does not go with the tire, you will have improper tire wear on a DD.

In my Coopers, the 31" are only 1/2-inch wider. The 31" are 1-inch taller. The width is no big deal, but the diameter is. I had 31" for a couple of years, and that 1-inch makes a lot of difference in seat of the pants driving. It is also important to note the 31" are about 5 pounds heavier, which pulls HP real quick. Takes longer to get up to speed, and definitely slower going up hills. My Samurai performs much better with the 30" than it did with the 31". I should point out gearing really does not do much for the power required in a heavier tire when on the highway.

I have Cooper DIscoverer STT, 30X9.5.50R15LT tires with 8-inch wide wheels and 2-1/2" back space. I have a 4:1 tcase. Primarily a DD, some trail, and has been through the Rubicon. I too have considered the Bushwacker's, and think 4" to 5" wide. My tires are out from the body by about 4".

Wayne
'91 EFI, DD, Hardtop, A/C, Warn 8000 winch, 100 AMP Alt, Toy Celica P/S, TT YJ SPOA M/L, DT 8000 shocks, TT Knuckle Over Steering, Mighty Kong, 4:1 TC, Evil Twins, TT Full Skid, Diff Guards, Fuel Tank Skid, Sliders, Anti-Wrap Bar w/Axle Truss, Panhard Bar, Cooper SST - 30x9.5x15 , 8"x 2-1/2" BS wheels Maxima rear Disc w/ebrake, rear locker

Offline crewcabrob

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Re: Proper Samurai Bushwacker / Wheel / Tire size combo/offset?
« Reply #3 on: November 23, 2012, 06:35:59 PM »
OK, so here are my thoughts on your questions.

Finding a 30x9.5x15 or even a/31x10.5x15 tire is not a problem.  Fitting it with a 3" lift is doable too.  Finding a tire in that diameter that will be wide enough for a 10" wheel is going to be difficult. Most tires have a suggested wheel width as stated by the manufacturer. Unless you go to a p-metric size like 265/60/15 you are going to be in trouble.  Can it be done.  Yeah it can but it doesn't make it right.

I wanted a 15x10" wheel but had to go to a 32x11.5x15 to feel safer.  I then had to get a lift that was at least 5" tall to make it work.

I have the 6" wide wackers on mine.  Here is my build thread. http://www.zukiworld.com/forum/index.php/topic,36412.15.html

I can get you the specifics on the wheels;  The tires are 32x 11.5 15 Goodyear MTR/k. They are on 15 x 10 Ultra Type 164. They have backspacing of 3.74" and the offset is -48mm. Here is a link to Tirerack where the wheels can be purchased or compared: http://www.tirerack.com/wheels/Wheel...All&sort=Brand

They are cheap wheels but look good and will get the job done. I got them for $102 each at my local tire shop, so deals can be made on them.

They fill the fenders perfectly without sticking.

Rob
92 Sami, OME YJ SPUA, 15x10 Ultra wheels, 32x11.5x15 MTR/k, Corbeau Moab seats, Shrockworks bumpers and tank skid, Mighty Kong, 6.5:1 gears, hi-rock rails, Bushwacker 6" flares, Rampage tinted top, Grant wheel, Truck-lites LED head lights, PIAA LED driving lights, MOAB Husker Spirit license plate

Offline 02CalTaco

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Re: Proper Samurai Bushwacker / Wheel / Tire size combo/offset?
« Reply #4 on: November 23, 2012, 08:31:25 PM »
Why 15x10's ? I don't believe the hieght of tire has anything to do with with width of wheel, it would be how wide you plan on going. I don't think you need a 10" wide wheel until you get above a 12.5" wide tire, even at 12.5" I would stick to a 8" wheel. With a 10" wheel and anything under 12.5" you are more likely to pop a bead when aired down and also exposes your wheel to more damage.

Offline crewcabrob

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Re: Proper Samurai Bushwacker / Wheel / Tire size combo/offset?
« Reply #5 on: November 24, 2012, 12:07:51 PM »
Why 15x10's ? I don't believe the hieght of tire has anything to do with with width of wheel, it would be how wide you plan on going. I don't think you need a 10" wide wheel until you get above a 12.5" wide tire, even at 12.5" I would stick to a 8" wheel. With a 10" wheel and anything under 12.5" you are more likely to pop a bead when aired down and also exposes your wheel to more damage.

You are correct, the wheel width will have nothing to do with the tire height.  But it will be really hard to find a true 30 or 31" tire wide enough for a 10" wide wheel.  swampermakes one, but it is really expensive.  They make another they say is a 31x12.5 but after looking at the specs it is really a 32"

Rob
92 Sami, OME YJ SPUA, 15x10 Ultra wheels, 32x11.5x15 MTR/k, Corbeau Moab seats, Shrockworks bumpers and tank skid, Mighty Kong, 6.5:1 gears, hi-rock rails, Bushwacker 6" flares, Rampage tinted top, Grant wheel, Truck-lites LED head lights, PIAA LED driving lights, MOAB Husker Spirit license plate

Offline JDebler

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Re: Proper Samurai Bushwacker / Wheel / Tire size combo/offset?
« Reply #6 on: December 16, 2012, 05:05:42 PM »
Hey guys, thanks for the info.

I am definitely not set on any particular size of wheel or Bushwacker fender flare.  I was just sorta throwing out numbers for starters as I learn things.  I came from a performance car background, so I am a bit out of my element still.  :)

Based on my 3" lift, and the 31" tires that I'd like to stick with, I am thinking the 4.75" flares on a 15x8 wheel with a 2" backspacing is the right combo for my use.  Does this sound right to you guys?
- Jason
Check out my Samurai build blog!
http://www.suzukalypse.com