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Wheels & Tires Semi-Tech General discussion of wheels and tires for the Ford Ranger.
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Old 05-14-2008
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QUICK need backspacing help!

I found some cragar versions of the prostars and yep Im getting tired of looking for prostars..



I found 15x8s that will fit.. but the BS is 5.5.. so how would they fit

I plan to run the rims on the front and they come with the tires that I plan to use for the rear so it is a win win if they will fit right..
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Old 05-14-2008
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they will look goofy, they will stick further in then the stock wheels.
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Old 05-14-2008
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they might even rub the sway bar
i wouldnt get em or just get spacers
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Old 05-14-2008
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Quote:
Originally Posted by 01 ranger 4x4 View Post
they might even rub the sway bar
i wouldnt get em or just get spacers
uck

guess I gotta keep searching..

thanks for the quick response//
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Old 05-14-2008
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hey there is a rim like that on summit i think
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Old 05-15-2008
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Did some research on back spacing using: http://www.autolounge.net/calculators/tirespacing.html

Stock 15x7s have 4.5 bs, so +12.7 offset, so that gives them 3.5 front spacing..
Those 15x8s have 5.5 bs, so +25.3 offset, so that gives them 3.5 front spacing..

So they would stick out the same as stock but have an extra 1" of rim sticking in..
makes me wish I had my stock spindles on to do a mock up..


I do not see any problems with the sway bar.. but the tie rod end looks like it could be a problem..

I would run 235/60r15s which are a tad wider than stock, but not by much..
via http://www.miata.net/garage/tirecalc.html

Is the problem with the rim, or the tires rubbing? cause the 31"s are not going on them..

other similar style rims to prostars: torqlite, jegs sport star, summit star wheels, or cragar 641.. though the prostars use a different type of lug nut..

Last edited by FX2.3; 05-15-2008 at 10:26 AM.
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Old 05-15-2008
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anyone else know?
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Old 05-15-2008
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I know that these Jeep rims have WAY too much backspacing.
Those, even WITH a 3/8" spacers hit my tie-rod end.
These are 15x7's that have 5.5" backspacing.

With these, the actual rim scraped the tie-rod end. I had 28" tires on them, I don't think they scrubbed the sway bar though.

Just thought of this too, the tires didn't scrub BUT this is with the Fabtech spindles (pushing the rim out more).

Last edited by Oh5Edge; 05-15-2008 at 10:41 PM.
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Old 05-16-2008
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Originally Posted by Oh5Edge View Post
I know that these Jeep rims have WAY too much backspacing.
Those, even WITH a 3/8" spacers hit my tie-rod end.
These are 15x7's that have 5.5" backspacing.

With these, the actual rim scraped the tie-rod end. I had 28" tires on them, I don't think they scrubbed the sway bar though.

Just thought of this too, the tires didn't scrub BUT this is with the Fabtech spindles (pushing the rim out more).
I thought the edge use a different spindle?


http://www.1000rims.com/rt_specs.jsp numbers are rounded..

I wish I had my stock spindles on to do a test fit.. but I need the smaller tires before they can go on
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Old 05-16-2008
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I know the balljoints are different but I don't know if there is a difference in shape or size. Like I said, I put those Jeep rims on my truck (5.5" BS) WITH a 3/8" spacer and it still scraped the tie-rod end. If it does clear it will be very close.

Side note: If I have Fabtech spindles, that moves the tire out away from the truck, but does the actual tie-rod point on the spindle move? If it doesn't I can tell you for a fact that they won't fit because that's more than an inch that the rims are pushed out and still not clearing.

Last edited by Oh5Edge; 05-16-2008 at 01:52 AM.
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Old 05-16-2008
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When the truck was stock:

^15x7 explorer teardrops



^15x8 soft 8s 12 bs?

I might just buy them.. if they dont fit atleast I can use the tires it comes with which are low milage and $96 each new at discount.. or buy those 7/16" spacers they have at pepboys..
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