Author Topic: Wheel spacers/Want to run wider tire  (Read 2776 times)

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Rebeltilldeath3

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Wheel spacers/Want to run wider tire
« on: Jun 23, 2005, 03:05:31 PM »
I have a 5" susp. lift on a 92 IFS.  I'm not sure about the offset of my wheels, but with 33x12.50"s I'm about an inch from rubbing on the upper control arm.

My goal is to run a 35"x14.50", but as my truck is now, I know that's impossible without rubbing on my upper control arm.

Would a 1.5" wheel spacer in the front on my IFS be sufficient?  Would it bring up any problems since I'm still using IFS?  Exactly how often does the torque on the spacers need to be checked?  What is prone to come lose the spacer mounting to the hub, or the spacer to the tire?  This truck is my daily driver and I drive about 50 miles a day, so it is a concern.

Idiot question, for wheels, would a back spacing of say 2" or 4" move my tire farther out from that upper control arm?  I never really learned that, yes, I'm deprived.

decyfer

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Re: Wheel spacers/Want to run wider tire
« Reply #1 on: Jun 23, 2005, 03:15:43 PM »
back spacing is the greatest thing ever. if you don't have back spaced rims i would do that before wheel spacers.  the back spacing in moves the mounting point farther back. so it will push your tire out farther.
is it bad when you unplug the power wire from your stereo and it still plays

Rebeltilldeath3 [OP]

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Re: Wheel spacers/Want to run wider tire
« Reply #2 on: Jun 23, 2005, 03:26:57 PM »
Could you give me #'s here?

Does a 3.75" back space wheel move your tire farther from the control arms, or does a 2"?

And would size back spacing would I need to run a 14.50" with IFS?

decyfer

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Re: Wheel spacers/Want to run wider tire
« Reply #3 on: Jun 23, 2005, 03:32:05 PM »
the bigger the number the farther you tire sticks out. so 3.75 is more than 2. i'm running 37x12.50 with 4" of back and i still hit my from springs. but maybe your ifs won't have a problem
is it bad when you unplug the power wire from your stereo and it still plays

Rebeltilldeath3 [OP]

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Re: Wheel spacers/Want to run wider tire
« Reply #4 on: Jun 23, 2005, 03:40:32 PM »
So a 4.5" back space is going to stick out the sides farther than a 3.75" back space?


decyfer

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Re: Wheel spacers/Want to run wider tire
« Reply #5 on: Jun 23, 2005, 03:44:07 PM »
yes sir.
is it bad when you unplug the power wire from your stereo and it still plays

CTENG in KS

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Re: Wheel spacers/Want to run wider tire
« Reply #6 on: Jun 23, 2005, 03:51:38 PM »
So a 4.5" back space is going to stick out the sides farther than a 3.75" back space?



Wait, Here it comes...NOOOOOOOOOOOOO!!!!!!!

Wrong, backspacing is a measurement from the back of the rim to the inside mounting surface.  You want to go get the black rockcrawler wheels in the 2.5 inch backspacing.  The more backspacing the farther the tire will be tucked under the rig.  This is why everyone recenters hummer rims, they are like 6.75 inch backspacing.
IFS is best kept at ambient temperature in a pile of scrap in the backyard.  When kept under a functioning vehicle, it tends to greatly diminish said vehicle's offroad ability.     -reklund5

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decyfer

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Re: Wheel spacers/Want to run wider tire
« Reply #7 on: Jun 23, 2005, 03:56:33 PM »
i don't think so. what the crap. now i'm all turned around
is it bad when you unplug the power wire from your stereo and it still plays

CTENG in KS

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Re: Wheel spacers/Want to run wider tire
« Reply #8 on: Jun 23, 2005, 03:57:08 PM »
Trust me.
IFS is best kept at ambient temperature in a pile of scrap in the backyard.  When kept under a functioning vehicle, it tends to greatly diminish said vehicle's offroad ability.     -reklund5

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robinhood4x4

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Re: Wheel spacers/Want to run wider tire
« Reply #9 on: Jun 23, 2005, 05:17:50 PM »
Trust me.

Yup.  From Roger brown's page:

So more backspacing means the wheel sits in closer to the axle and that less of the wheel's width will appear outside of the wheel moutning flange, giving a narrower track.

http://4crawler.com/Diesel/Tires.shtml#WHEELS
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Well, if the ideal of excluding the lesser equipped (stock or otherwise) is accepted... there is no fundamental difference between that and a Sierra CLub ideal of exclusion. If we cannot embrace the 4wheel users as a whole. We are not fighting for access. I cannot be that shortsighted

Rebeltilldeath3 [OP]

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Re: Wheel spacers/Want to run wider tire
« Reply #10 on: Jun 23, 2005, 06:30:56 PM »
Wait, Here it comes...NOOOOOOOOOOOOO!!!!!!!

Wrong, backspacing is a measurement from the back of the rim to the inside mounting surface. You want to go get the black rockcrawler wheels in the 2.5 inch backspacing. The more backspacing the farther the tire will be tucked under the rig. This is why everyone recenters hummer rims, they are like 6.75 inch backspacing.

That's what I thought, it didn't make sense the other way.  That's why I kept asking.

So 2.5" back spacing should be enough to clear a 14.50" wide tire with IFS.


CTENG in KS

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Re: Wheel spacers/Want to run wider tire
« Reply #11 on: Jun 24, 2005, 07:55:10 AM »
These are my 2.5 inch backspaced wheels...
IFS is best kept at ambient temperature in a pile of scrap in the backyard.  When kept under a functioning vehicle, it tends to greatly diminish said vehicle's offroad ability.     -reklund5

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seanc

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Re: Wheel spacers/Want to run wider tire
« Reply #12 on: Jun 24, 2005, 08:59:46 AM »
where is you drag link?
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Rebeltilldeath3 [OP]

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Re: Wheel spacers/Want to run wider tire
« Reply #13 on: Jun 24, 2005, 09:50:40 AM »
Anyone running a 2.5" backspace on IFS so I can get an idea if I'll be far enough away?  I honestly have no clue what my current back spacing is.

CTENG in KS

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Re: Wheel spacers/Want to run wider tire
« Reply #14 on: Jun 24, 2005, 11:18:05 AM »
where is you drag link?
Going on with the steering box this weekend.
IFS is best kept at ambient temperature in a pile of scrap in the backyard.  When kept under a functioning vehicle, it tends to greatly diminish said vehicle's offroad ability.     -reklund5

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86 4runner

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Re: Wheel spacers/Want to run wider tire
« Reply #15 on: Jun 24, 2005, 12:57:35 PM »
i have 3.75 back spaced wheels with 35x13.50x15 and i dont rub at all unless im fully turned and it hits the sway bar
86 4 Runner SAS, 37 inch Toyo M/T's, E-Locker rear, Lock Right front. 30 spline Longs, 5.29's, Dual Cases, Warn XD9000i

Rebeltilldeath3 [OP]

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Re: Wheel spacers/Want to run wider tire
« Reply #16 on: Jun 24, 2005, 01:02:40 PM »
Pssh, who needs a swaybar?

 
 
 
 
 

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