Vertini Magic Concave and Offset help please

Old May 13, 2011 | 11:13 PM
  #16  
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Thanks for the input aspec 2006. So it sounds like I should be good with my 9" wide 32mm up front with no rubbing issues. If y'all are ever in Houston The first round is on me....as long as this works out.
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Old May 14, 2011 | 12:31 AM
  #17  
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youll be fine with a 32, im slammed on 20x9 +20 and I rub on hard U turns
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Old May 14, 2011 | 02:27 AM
  #18  
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Originally Posted by aspec2006
jran76,
fronts are by 9inches wide with +38mm offset on 245 tires. they are not even near my front fender lines. i should went with +20mm offset, but I was scared. LOL
You could run a 10mm spacer and probably be OK (this would make it a +28). Any lower offset, and you would need a narrower tire or more camber.

The +20 is just too aggressive for a "normal" setup. With 245's and no camber arms, it will rub unless you do some fender work (the only real option in the front is to pinch/pull the fender). I would like to run +20's on my 20x9" front, but I am already rubbing and I don't want to run anything smaller than the 245's or the -2.2 degrees of negative camber I am already running. Alex is right, from a flushness standpoint, the +20 is a pretty good match for the +35 rear, but the rear is a lot more forgiving when it comes to rubbing.
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Old May 19, 2011 | 04:33 PM
  #19  
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Originally Posted by jran76
Yeah with 225 stretched tires and a lot of negative camber.... I have said this before, but don't post this without saying what is needed to make it fit. I am 100% sure you are running more negative camber than what Eibach's naturally give with stretched tires. If you want to brag, give details so people know what they are in for. I have seen you post this stuff for years, and you never give any details. What you are saying is very misleading to the average person.

I am running wheels that are 5mm less aggressive than what you are recommending with Eibachs, and now Tein SS-P coilovers, and I rubbed with both setups with 245/35 tires.
Ignorant people make me angry. I am running 20x9.5 +17 on a 235/35R20 tire. Natural Camber from the drop. credit card clearance from tire to fender. NO RUBBING.

20x9 +20 is 9mm more conservative than my setup which would allow ample accommodation for the extra 5mm you would be getting from a 245 series tire as opposed to a 235 series tire. Not only that, Eibachs dont drop the front anywhere near running into an issue of rubbing on turns. Check your facts, bonehead.
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Old May 19, 2011 | 06:08 PM
  #20  
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Ok people. Here are some phone pic of the initial set up. The eibach pro-kit is coming next. I still haven't seen the car in person yet, but this is what my wheel guy sent me. If anyon'e in Houston, Central Tires Plus on the southwest side will definitely hook you up. Great prices and great service. Better pics to come soon.

I should be more flush once the eibach drop comes in. Thanks for the help so far peeps.
Attached Thumbnails Vertini Magic Concave and Offset help please-rear-2.jpg   Vertini Magic Concave and Offset help please-wheels-side.jpg  
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Old May 19, 2011 | 07:37 PM
  #21  
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That looks nice and it will look even better with the drop. congrats on everything working out for you
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Old May 19, 2011 | 07:44 PM
  #22  
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very nice,^^
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Old May 19, 2011 | 07:52 PM
  #23  
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Originally Posted by aspec2006
jran76,
fronts are by 9inches wide with +38mm offset on 245 tires. they are not even near my front fender lines. i should went with +20mm offset, but I was scared. LOL
you could have gone 245/30 in front with a +20 with no rubbing at all...... would have ben perfect
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Old May 20, 2011 | 01:57 AM
  #24  
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Originally Posted by heyitsalex
Ignorant people make me angry. I am running 20x9.5 +17 on a 235/35R20 tire. Natural Camber from the drop. credit card clearance from tire to fender. NO RUBBING.

20x9 +20 is 9mm more conservative than my setup which would allow ample accommodation for the extra 5mm you would be getting from a 245 series tire as opposed to a 235 series tire. Not only that, Eibachs dont drop the front anywhere near running into an issue of rubbing on turns. Check your facts, bonehead.
Wow..... don't even know what to say, but I don't think anyone that knows me would call me a bonehead or ignorant. Ever. I don't think I would have made it to where I am in life, so I can live with whatever some kid says about me on the interwebs. If you wanna talk trash, go for it. I am sure that I am a whole lot smarter/better off than your dumbass will ever be. Sorry, I have seen way too many of your posts over the years. I try to stay away from the personal attacks, but f*ck you. I guess the rubbing is just in my head on my setup.... So, I must be wrong about these "facts" you speak of.... Why don't you give these details when you post this the first time instead of spewing your BS?

If you want to put your money were your stupid mouth is, buy the OP the 20x9 +20 with his current tires. If they don't rub, I will pay you double.

I will let these pics speak to my facts. Again, I am running 20x9 +25 with 245/35/20 tires. I have rubbed on these 4-5 spots with both Eibachs and my Tein SS-P coilovers (about 1/2" to 1" lower than the Eibachs-- I tried several heights to prevent the rubbing). I would say this is the most common size tire to run on a staggered setup. I can live with the rubbing myself, but if someone is adamant that they don't want rubbing, I usually recommend something slightly less aggressive, or at least have the decency to explain what they are in for (I guess that makes me ignorant since I don't just say "trust me" and then throw out insults).

Tire size

Rubbing fender liner (nope, no rubbing at all)

Rubbing fender clips and liner in 3 spots in these pics (notice I have rubbed the back clip completely off)





Originally Posted by dropspyder
Ok people. Here are some phone pic of the initial set up. The eibach pro-kit is coming next. I still haven't seen the car in person yet, but this is what my wheel guy sent me. If anyon'e in Houston, Central Tires Plus on the southwest side will definitely hook you up. Great prices and great service. Better pics to come soon.

I should be more flush once the eibach drop comes in. Thanks for the help so far peeps.
Looks good. Glad it worked out. Sorry, for derailing your thread, but I felt the need to respond. Hopefully, someone will find it useful.

Originally Posted by Pcasey
you could have gone 245/30 in front with a +20 with no rubbing at all...... would have ben perfect
To be clear, a 245/35/20 will rub (I stated this earlier in the thread, but not in the post you quoted). Sorry, if that was not clear. Not on turns, but bumps/dips on the clips and fender liner. No doubt a 245/30 or 235/35 would clear in most cases. The OP clearly said he wanted no chance of rubbing, and I think he will be happy with what he went with. The 245/30/20 has a half inch less of sidewall height and is almost 4% smaller than stock. That extra half inch goes a long way in protecting my $3000 wheels. If you have a show car, no big deal, but in the real world that half inch in sidewall goes a long way in protecting your wheels.
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Old May 20, 2011 | 02:12 AM
  #25  
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Thanks for explaining. ^^ when I drove on my 245/30 falkens I didnt rub in front or barely at all. Although I did rub in back on 275/30 alot, so bumper bracket was shaved down as well with fender liner cut. No more rub. But your 100% correct, if he says no rubbing at all with no modification he made a great choice!

Last edited by P Casey; May 20, 2011 at 02:23 AM.
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Old May 20, 2011 | 02:39 AM
  #26  
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Originally Posted by Pcasey
Thanks for explaining. ^^ when I drove on my 245/30 falkens I didnt rub in front or barely at all. Although I did rub in back on 275/30 alot, so bumper bracket was shaved down as well with fender liner cut. No more rub. But your 100% correct, if he says no rubbing at all with no modification he made a great choice!
I think he may have to trim the rear fender liner regardless, although I did not rub much with the Eibachs. I rubbed like crazy when I went lower with the SS-P's. Rubbing on the rear is easy to handle, but if you are rubbing on the front you are pretty limited once you buy tires and get everything installed. Minor rubbing, like my setup, is not a big deal to me, but for some people it is. To me, its just a fender liner and I'll replace it if I have to.

Look, I know I came across as an *** above. I have no issues recommending aggressive offsets if that is what someone wants, but I think it is irresponsible to blindly recommend something without providing details or finding out what someone is going for. If Alex takes offense to that and it makes him angry, so be it. I always make some effort to find out what someone is after. I literally have 100's of PM going back and forth with people on wheel offsets/sizes from mild to aggressive, and not one of them has complained. The OP was pretty clear on the Eibach drop, tires sizes, and no rubbing. I agree with Alex, the +20 is a better fit for the more aggressive rear, but there is a chance it will rub with the OP's tire sizes. Several people have confirmed that. I know he likes aggressive wheels, and that is what he recommends. That's cool if that is what you are going for, but not everyone is.
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Old May 20, 2011 | 04:41 AM
  #27  
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Originally Posted by dropspyder
Hey people. I've used the search function, and i've still gotten somewhat unclear answers related to offset. I have the 2009 g37 sedan non-sport, and I'm going to buy the Vertini Magic Concave wheels in 20" diameter. I'm planning on lowering on the Eibach pro-kit, but I'm having a hard time picking the front wheel and offset.

In the rear i'm pretty sure i'm getting the 10" wide with 35mm offset. I'm not sure what size to get in the front. I have the following options

8.5" 25mm
8.5" 35mm
9" 20mm
9" 32mm offset

First and foremost I want to minimize or avoid rubbing, secondly I want the wheels to be somewhat flush. I know there are a million offset questions out there, but I appreciate any insight/opinions you guys have. I'll be sure to post pics once I order and install.


Well, great work! You have helped me to improve my knowledge about this field. Thank you so much for sharing.


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Old Jun 14, 2011 | 08:11 PM
  #28  
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Jran 76 (or anyone else), i'm hoping you can help me out a little more. So I know have the eibach drop. I'm rubbing slightly up front. with my 9" front and 32mm offset. I'm rubbing even more with my 10" rear and 35mm offset (I ordered the 38mm, but between my dealer and the manufacturer I somehow ended up w/ the 35mm).

I have installed the eibach prokit, and I have all kinds of tire residue on the fenders of all 4 wheels. My current camber in the front is about -1.1 and in the rear about -2. With the amount of tire residue left on my car after a 10 mile drive on the highway, I need to do something soon to correct this. Should I go w/ more negative camber? Say -2.3 to -2.5, or do you guys think I should roll my fenders?

S.O.S. anyone with some insight please help your boy out.
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Old Jun 14, 2011 | 09:00 PM
  #29  
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Originally Posted by dropspyder
Jran 76 (or anyone else), i'm hoping you can help me out a little more. So I know have the eibach drop. I'm rubbing slightly up front. with my 9" front and 32mm offset. I'm rubbing even more with my 10" rear and 35mm offset (I ordered the 38mm, but between my dealer and the manufacturer I somehow ended up w/ the 35mm).

I have installed the eibach prokit, and I have all kinds of tire residue on the fenders of all 4 wheels. My current camber in the front is about -1.1 and in the rear about -2. With the amount of tire residue left on my car after a 10 mile drive on the highway, I need to do something soon to correct this. Should I go w/ more negative camber? Say -2.3 to -2.5, or do you guys think I should roll my fenders?

S.O.S. anyone with some insight please help your boy out.
What exactly are you rubbing on?

In the rear, you should not be rubbing on anything but the felt fender liner, and that needs be trimmed (we covered this above). It is easy to do with a utility knife or Dremel cutting wheel. At -2 on the rear, you should not be rubbing on anything else, and I don't think you need more than -2 degrees even with the +35. My 10" +35 with 275/30 tires clear at anything over -1.8 with the felt liner trimmed.

On the front it really depends on what you are rubbing on. I would have expected you to have more negative camber with the Eibach drop (I was around -1.8 with the Eibach drop), and that should allow plenty of clearance with your setup. I am a little surprised that yours is that low, and that is likely the issue. I think at over -1.5, or a little more, you would be fine. On the front you have 3 options:
1. Trim whatever you are rubbing on. Likely the bulge at front of the fender liner. This should be pretty easy to trim if needed. Obviously, if you are rubbing on fender itself, this is not possible.
2. Add more camber. The only way to do this with the Eibach drop is with camber arms (SPC or Kentix). This is probably your best option if you don't mind adding them, or already have them. You really do need more than -1.1 degrees of negative camber....
3. Go with a narrower tire (235/35).

There is nothing to roll on the G37 fenders. The rear is already cut from the factory (there is nothing there to roll), and the front cannot easily be rolled. It really has to be pinched/pulled. If you try to roll it, make sure it is someone that really knows what they are doing (i.e body shop).

Also, the material you see is just as likely the fender liners you are rubbing on as the tire. The liners produce a lot more residue than the actual tires when something rubs on them. Unless something is cutting into the tire, there should not be a whole lot of particles from them....
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Old Jun 14, 2011 | 09:06 PM
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Oh, and how long have the Eibach's been on for? I wonder if they may settle more. Mine went from -1.6 to around -1.8 over the first 2 weeks (I actually ended up at -1.7 on one side, and almost -1.9 on the other when it was all said and done).
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