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Esr sr05 18x9.5 +35 fitment issue.

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Old May 21, 2017, 08:52 AM
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Esr sr05 18x9.5 +35 fitment issue.

First of all i cannot find ANY info on Evo 8s with these wheels and fitment. Just multiple people saying their different offset fit with or without spacers.

Was told by a few folks that this wheel should fit with no spacers being a 9.5 wide with a +35 offset since it wasnt anything too crazy.

Ordered the ESR SR05 wheels in 18x9.5 with +35 offset
since stock offset is +38. Well. Wheels don't fit front or back they hit the calipers.

Back isnt bad, mayne 1/4inch gap.
front on the other hand is roughly a 2 inch gap.

On the stock wheels the mounting surface is about 2 inches thick..

on the new esr wheels it's barely an inch probably less.

A 2 inch spacer seems pretty extreme and unsafe to me.

a friend of mine has 22mm hun centric spacers which ill need the arp extended wheel studs to use.

Does anyone think the 22mm spacers will work and both wheels will sit flush with eachother and the body lines? Or have any input on what spacers, what size and what i should do.. really don't wanna sell the brand new wheels i got and find a less attractive wheel to use.

According to my math a 51mm offset would be 2.0inches, making the mounting surface of the +35 wheels with a 16mm spacer 2.0 inches thick like stock? Which should fit?
And a 22mm spacer would make it 57mm offset which equals 2.3 inches?

Just trying to figure this out the simplest way possible. Wheel fitment isnt my strong

suit.

Input would be great.
Thanks in advance.
Old May 21, 2017, 09:40 AM
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Yeah, Youve got an impossible wheel to properly fit the front of the EvO, based on your notes.
If you are needing a 2" spacer, that is not recommended & a real detriment to the wheel bearings not to mention that 50mm spacer would put this wheel offset deep into the negative range

Try the washer method to determine how much spacer is needed. Stack them up on 2 opposite studs to determine
You are looking for 3-4mm of caliper clearance. If you do, in fact, need more than a 25mm spacer, I would sell them

Your pics are really helpful. You can see the deep wheel lip & the shallow wheel hub combined w/the non concave spokes (all issues to overcome the Brembos)

JMHO

Last edited by MinusPrevious; May 21, 2017 at 12:49 PM.
Old May 21, 2017, 01:11 PM
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Thank you. I tried to get an example of how thin it is on the inside of the wheel compared to the stock wheels. When the weather dries up im gonna try to measure the wheels just where they will sit.

The measurements on the stock wheel hub is roughly 2.0 inches yet their 38mm offset. Doing the math to get a 2.0 inch gap on the new 35mm offset wheels i would need an extra 16mm to equal the 2.0. Which equals 51mm total. (As if it were a built in spacer part of the wheel). If you understand what im trying to explain. Little difficult.
Old May 21, 2017, 03:26 PM
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To keep this as simple as possible for me is: Adding any more than a 13mm spacer will give this +35 wheel an effective +22 offset.

A +22 is the most aggressive offset IMHO, that can be properly fitted (albeit w/some aggressive rear fender modification)
Old May 21, 2017, 03:55 PM
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Wait, wouldn't 13mm added onto a +35mm wheel come out to +48mm offset? How would adding more spacing make the offset negative?
Old May 21, 2017, 04:21 PM
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Originally Posted by Bewstzalot
Wait, wouldn't 13mm added onto a +35mm wheel come out to +48mm offset? How would adding more spacing make the offset negative?
No Sir. Adding spacers pushes the wheel further outboard, reducing the positive offset

I.e. a +45 wheel sits deeper (more inboard) in the wheel well than a +38
Old May 21, 2017, 04:47 PM
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Hmm im so lost lol. So if i added a 22mm spacer on the +35 wheels it would go down to a 13mm offset? But the wheel would be pushed outside of the fender more.
Old May 21, 2017, 04:53 PM
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Originally Posted by Bewstzalot
Hmm im so lost lol. So if i added a 22mm spacer on the +35 wheels it would go down to a 13mm offset? But the wheel would be pushed outside of the fender more.
Yes, thats the concept A +13 up front is troublesome for sure & certainly a +13 would not work in the rear

Imagine adding a 50mm (2") spacer to front? (-15 offset

This is a good exercise in offset variables

Here a visual for you. 18x9.5 +35 running a 265/35 tire (22mm spacer added) compared to what I run 17x9.5 +30 running a 275/40 tire
The +13 wheel pokes out another 17mm / .66" (took a lot of work to fit my setup. Imagine trying to fit a wheel .66" further outboard?


Last edited by MinusPrevious; May 21, 2017 at 05:26 PM.
Old May 21, 2017, 05:44 PM
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See im trying to add a 22mm spacer up front and in rear. In hopes it would make the center of the wheel as thick as the stock wheels to clear. Measuring the stock from center to spoke was 2.0 inches roughly...

How im adding up is 2.0" equals 51mm or 2.00xxx
35mm is 1.37"
38mm is 1.49"
22mm is 0.86"


In my math adding 22mm(0.86") to 35mm(1.37") would be roughly 2.24xxx"

Adding a 16mm(.062") spacer to 35mm(1.37") would be roughly 2.00"

the positive offset of the wheel would stay the same since it's not going towards the strut more. I would just be pushing the wheel slightly outwards with the 22mm spacer as it SHOULD ONLY add .24" to it.


It appears to sit flush with the fender if i can just add a spender to fill the gap between the rotor and wheel itself...
Old May 21, 2017, 06:42 PM
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I have a 9.5" wheel with a +38mm offset. Add my 25mm spacer, on the front, and it's now +13mm. My car is setup for the track, so not slammed nor hella camber by any means. I run approx 2.6* camber. It all works fine. Here is the only fitment pic i could find:




Under full compression:



Around town, I back the camber plates off as far as they will go. Still fits fine. If you want "hella flush", then you won't won't be happy with this effective offset.
Old May 21, 2017, 06:46 PM
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Too much spacer and you will clear rotors, but have serious mexi-poke.
Old May 21, 2017, 08:16 PM
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Looks good but i know the rpf1's sit differential at +38mm offset.

Think im gonna try the 22mm spacer on all 4 and see if it's enough up front and in back. They're the only ones name brand that are local to me to check size.

See people with 25mm offset running 25mm spacers and that just confuses the hell out of me haha. This wheel crap i just keep getting lost on.
Old May 21, 2017, 09:21 PM
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Originally Posted by Bewstzalot
Looks good but i know the rpf1's sit differential at +38mm offset.

Think im gonna try the 22mm spacer on all 4 and see if it's enough up front and in back. They're the only ones name brand that are local to me to check size.

See people with 25mm offset running 25mm spacers and that just confuses the hell out of me haha. This wheel crap i just keep getting lost on.
It's only a 3mm difference from your wheel. That won't make or brake your fitment.

Like someone said above: stack washers on your stud until the wheel fits. Should cost you $1-3 for washers. Measure the height of the washer stack, then get a spacer that is as close to that as possible.
If it's impossible, sell the wheels and get a set that fits.
Old May 26, 2017, 12:51 PM
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Originally Posted by kaj
It's only a 3mm difference from your wheel. That won't make or brake your fitment.

Like someone said above: stack washers on your stud until the wheel fits. Should cost you $1-3 for washers. Measure the height of the washer stack, then get a spacer that is as close to that as possible.
If it's impossible, sell the wheels and get a set that fits.


just got around to putting bolts and washers on the front studs... got it to clear the brembos by maybe a credit card thickness. Measuring the washers came to 28mm. Which i don't think would be smart to run on. wouldn't that be unsafe?
Old May 26, 2017, 02:17 PM
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No way. I don't even like my 25mm spacers & am currently looking for wheels I can use without.
30mm spacer? Nope, nope, and NOPE.
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