Thread: backspace help
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Old 10-05-2007, 07:11 PM   #6 (permalink)
NorCal 4x4
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Re: backspace help

Quote:
Originally Posted by 450ryder
i have 35" toyo MTs on 17"MWK wheels right now. the 455 is the style i was going to go with and 37" kumho's. will i need wheel spacers possibly?
I think a big thick spacer with the Kumho KL71 on a rim with a 6" backspacing. The 37" KL71 is 13.5" wide!

To have an idea of how thick a spacer you'd need, a couple of questions.
What model, width, and offset or backspacing are your current MWK 17s?
How much clearance do you have with them, to your Fab Tech spindles?
[I assume the FT spindles give you even less clearance than the stock steering knuckle, but only because the CST 4" spindles do].

Also, do you have room for a 36.8" diameter tire?
Your current tires are 34.8" diameter, so the 36.8s will be 1" more on each side of your axles. So if you have more than an inch to the front of each tire, and more than an inch to the rear of each tire, and above, and remember even for street only use, they will be cycling pretty much straight up and down, a few inches, so this clearance will be needed in that path as well.

I think you will need glass or the Ionic Dynamics fiber reinforced plastic fender for the Kumho 37s, even for street only.
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