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Wheel Fitment Question

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Old 01-13-16, 07:06 PM
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jcsulli480
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Default Wheel Fitment Question

I have a 1999 UCF20. I'm looking at getting a set of AME Shallen LXs that are 18x8.5, +42 in the front and 18x9.5, +45 in the rear. The car is on cut springs (I know.. coilovers are next, but I have a pressing issue that means I need to replace the wheels first) that sit not completely but close to flush with tires on the 18x9s, +32 square currently.

If I get the Shallens, what sort of work am I looking at having to do? Will I need spacers, pulled or rolled fenders, or nothing at all? I haven't done much work with suspension or wheels in my previous cars, so I'm new to wheel fitment.

Thanks in advance!
Old 01-14-16, 09:15 AM
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timmy0tool
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https://www.1010tires.com/Tools/Wheel-Offset-Calculator
from the link above, the shallens will actually retract (sink) into the car compared to your current 18x9 +32 setup so there will be no need to do any fender mods. remember tire sizing also is a factor in fitment.

based on those offsets, they may have a standard disk which may NOT clear the front brake calipers. you have to make sure the wheels you are looking at have the correct disk or you will have to run spacers to clear. adding spacers will change the offset.

disk has nothing to do with offset however. here is a quick guide. UCF20s need at least standard or high disk to clear the brake calipers. i do believe most shallen LX wheels are standard disk but double check.

from work wheels:
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