widebody wheel fitment question

2181 Views 5 Replies 4 Participants Last post by druz, Aug 28, 2006

speedworks

Discussion Starter · Aug 26, 2006

hey gang, i have a question for those of you that are very knowledgable about wheel dimensions.

here is the deal. if a certain widebody runs a wheel package of 16x8 front and rear with a +25 offset and 45mm spacers. if one wanted to run a wheel package on that same widebody without a spacer, what size wheel would be a good fit? i'm looking at 18", but i need to know width and offset numbers that will work with the setup. the widebody in question is 60mm wider up front and 70mm wider in the rear on each side.

any help would be greatly appreciated.

thanks
alex

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boostmx5

· #2 · Aug 26, 2006

well the +25 with 45mm spacers puts the effective offset at -20mm on that particular wheel. It all really depends on how wide do you wanna go? Do you want a 18x8 or 18x9 or 18x10? This will all effect the offset and lip of the wheel for cosmetic purposes.

If you ask what I would do with 7omm more in the rear. I would get a 16x9.5 -25 offset...that would put you pretty close to the fender and if it still looked a tad sunken you could use a spacer. BTW that would give you over 5 inches of lip on most wheels!!!!

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speedworks

Discussion Starter · #3 · Aug 26, 2006

i'm really just looking to see what the widest wheel/fat lip combo that will fit on this particular application. I want to try my best to stay away from using any type of spacer, so i want to get the widest wheel that will fit without interfering with any of the suspension components and all i want the biggest lip possible.

i know whatever i end up with, they wheels are gonna cost me a pretty penny, but i want to know whats gonna fit so i can start looking now and saving up.

thanks
alex

p.s. Terry, when did you become such an expert on wheel fitments, lol.

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Miata2nv

· #4 · Aug 27, 2006

I belive that i read some where that Grage vary used the 45mm spacers on their widebody so the wheels bearing would not ware out quickly.

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boostmx5

· #5 · Aug 28, 2006

speedworks @ Sat Aug 26 said:
i'm really just looking to see what the widest wheel/fat lip combo that will fit on this particular application. I want to try my best to stay away from using any type of spacer, so i want to get the widest wheel that will fit without interfering with any of the suspension components and all i want the biggest lip possible.

i know whatever i end up with, they wheels are gonna cost me a pretty penny, but i want to know whats gonna fit so i can start looking now and saving up.

thanks
alex

p.s. Terry, when did you become such an expert on wheel fitments, lol.

hahah Yeah man I am all about wheel fitment man
But yeah what I told ya should work

Here some pix of my other cars I owned...I have been a huge fan of aggressive offsets and fitment
my Rhd twin turbo toyota soarer

My q45

my buddies GS300

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druz

· #6 · Aug 28, 2006

Going by 8" ET 25 with 45mm spacer, that would be the same as 10" wide ET 5, or 9" wide ET 18.

If you get an extra 70mm in the rear based on a stock, unrolled fender that'd mean a max of about 10" wide ET -10 (or 9" ET -23), if you assume 8" wide ET 35 is what you can safely and easily fit under an unmodified stock fender. 60mm extra up front would be 9" ET -13.

Since you can't modify the widebody fenders too much, I'd err on the side of caution.

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