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Tire rubbing on CS fenders with Moonbeam

Damn that sucks bro..

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Old 01-22-2017, 10:53 PM   #16 (permalink)
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Damn that sucks bro..
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Old 01-22-2017, 10:56 PM   #17 (permalink)
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Time to get the dremmel out.
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Old 01-22-2017, 10:57 PM   #18 (permalink)
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That's CarbonZ's car, another Moonbeam kit. Looks like he has miles of clearance between tire and the edge of the wheel well

Your wheel is 26.7 inches

how much different can his specs be? is he still on the forums, he should chime in if he can
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Old 01-22-2017, 11:30 PM   #19 (permalink)
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He is running 20x11.5 & 20x13 with 275 & 325's ToyoTires. Not too sure about offsets.
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Old 01-23-2017, 07:42 AM   #20 (permalink)
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so i went back and looked through my email to make sure i wasn't misremembering the details of carbonsignal's recommend. i laid out exactly the wheels specs, tires, and camber, as well as the intended purpose of the vehicle. then bought exactly the offsets they recommended. more a sanity check than trying to cast stones (although i will throw one small rock their way). not like i think there is a snowball's chance in hell that i will get any sort of remuneration from them, so anger doesn't help.




i also found where i asked about the tire sizes on their original white moonbeam car, and while they said they didn't recall exactly they recalled it being 255/30r20 (26.1" diameter) front and 295/30r20 (27" diameter) rear. It is apparent at this point that they designed it for smaller than stock diameter tires. So I expect no matter what I will wind up having to clearance the fenders to make these tires work.

however overarching (no pun intended) all of that, i am just not happy with the fitment of the wheels in general. given the tires i am running, and the fact that i am not looking to go insane camber, i am pretty sure i am going to have to re-spec the wheels to get the look i want, regardless of the situation with the fender.

so long story short at this point i think i have various factors that might be contributing to this problem. misalignment (although i did play with all the settings except toe), too aggressive offset, & larger than expected (by CS) tires.

i will post up my final specs once i get everything settled. thanks for the input so far fellas.
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Old 01-23-2017, 08:33 AM   #21 (permalink)
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started work late today just so i could go out and measure a few things. i adjusted the camber out on the front wheels to roughly 1.75* camber (i figure this is the minimum i would ever want to run, max would be like 2.5*). The rears are at roughly 2.0* camber.

I measured from the inner lip of the over fenders (obviously this could be trimmed some but ultimately the top of the tire needs to clear that, so that's why i measured from there).

Front (looks like about 25mm too aggressive)


Rear (looks like about 30mm too aggressive)


*sigh*

as mentioned I am going to get it aligned before sending the wheels back to get rebarrelled but I am just shocked at how far off the offset recommendations were. at *most* we are talking about 0 offset wheels, which is fine, i picked the moonbeam kit because i didn't want something overly aggressive, but also WTF?!

On the off chance that Strasse built the wheels to the incorrect specs I am going to take them off and measure the the offset. Something just isn't adding up.
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Old 01-24-2017, 01:57 AM   #22 (permalink)
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ouch sorry to see you facing fitment issues.
do you think it could be an improper install of the widebody fenders? just a thought as i believe there is some cutting etc to be done on the car body before these fenders are installed. Maybe the shop cut more which are making the widebody fenders sit less wide?

good call on taking wheels off and measuring the wheel offset as well. I would suggest you look at front caster setting as well.
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Old 01-24-2017, 02:20 AM   #23 (permalink)
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Looking at your pictures/ the same offset F/R with a 2" stagger would apply with this kit also,,,0 through a +5,+6 would do it on both F/R wheels.
I know you will nail it,as we all don't like running spacers w/Custom wheels...Z1 does offer 2.5 & 5mm sets....you can always push them out a tad (if need be) but can't pull them back in.
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Old 01-24-2017, 07:18 AM   #24 (permalink)
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Originally Posted by Presto View Post
ouch sorry to see you facing fitment issues.
do you think it could be an improper install of the widebody fenders? just a thought as i believe there is some cutting etc to be done on the car body before these fenders are installed. Maybe the shop cut more which are making the widebody fenders sit less wide?

good call on taking wheels off and measuring the wheel offset as well. I would suggest you look at front caster setting as well.
Cutting only needed in the rear. Front is a complete bolt on fender replacement.
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Old 01-24-2017, 07:44 AM   #25 (permalink)
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those fronts are huuuuuuge
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Old 01-24-2017, 08:23 AM   #26 (permalink)
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wide rubber is the only way to live. as for diameter, same as stock.

Speaking of... I threw my old rears on the front of the car just for comparison. They are running 325/30r20 (27.7 diameter) so no hopes of it answering any problems about the fender rub. However, I am also trying to figure out this offset issue. the wheel is a 19x11 +15et, which means it runs 22mm inboard of my strasse wheel. Outer edge of the tire sits flush with the fender. At this point I am thinking the right offset for the front is going to be somewhere in that +0 offset range.

Sucks to be doing all this measuring after ordering the wheels. Lesson learned, don't trust the stance crowd...

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Old 01-24-2017, 09:11 AM   #27 (permalink)
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so carbon signal was way wrong ?
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Old 01-24-2017, 09:21 AM   #28 (permalink)
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Seems that way at this point.

In an effort not to put all the blame on them I would put it like this. If you look at most of the builds people have done, the vast majority are riding on air and/or stanced/hellaflush.

I think the lip of the strasse wheel would clear the fender. Especially if I were to run 3* camber. Combined with even a slightly stretched tire, say a 255/265, I am pretty sure there would be no problem.

So long story short they recommended wheels that would appeal to their base a s didn't take in to consideration that I was going for a performance/track stance.



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Old 01-24-2017, 09:25 AM   #29 (permalink)
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Quote:
Originally Posted by AntiVenom View Post
Seems that way at this point.

In an effort not to put all the blame on them I would put it like this. If you look at most of the builds people have done, the vast majority are riding on air and/or stanced/hellaflush.

I think the lip of the strasse wheel would clear the fender. Especially if I were to run 3* camber. Combined with even a slightly stretched tire, say a 255/265, I am pretty sure there would be no problem.

So long story short they recommended wheels that would appeal to their base a s didn't take in to consideration that I was going for a performance/track stance.



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so front offset could b anywher 0 to -20
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Old 01-24-2017, 09:30 AM   #30 (permalink)
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a degree of camber on a 26.7" diameter wheel moves the top of the wheel something like .47" (call it .5 for a rule of thumb) from the bottom. which in millimeters is about 13mm. so an extra degree of camber can make up for a lot of poke.

so yea, you pretty much summed it up. depending on camber and tire "squareness" you can easily need to change the offset 15-20mm
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