You can run 275s on Forgestar F14s
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Super Member
Joined: Nov 2008
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From: Dallas TX area
M5, C63, 335Ci
You can run 275s on Forgestar F14s
As the title states, you can successfully run 275/30/19 rears on the Forgestar F14s if you are willing to do a few things to make it work. I have the 19" x 10" F14s in the rear and when first installed with 275/30/19 Vredestein Ultrac Sessantas I had significant rubbing issues. My car is lowered on KW V3s so I'm sure that exacberated the situation. Here's how I fixed the issue.
First, I raised the suspension about 3/8" front and rear as it had settled since installation.
Next, I had the rear fenders rolled. (After this I was still getting some rubbing.)
Next up was to have 3mm machined off the back pad, thereby increasing the offset to a +53
At the same time I had the rear fenders rolled a little more aggressively and the corner of the fender where it meets the bumper cover trimmed slightly. (This area was sticking out into the wheel well a little after the rolling so my shop trimmed it back and rounded the edge to make it smooth.)
After all of this, my C63 looks bad a** and doesn't rub, while still allowing me to run the wider 275s in the rear.
(As a side note to anyone else getting F14s for a lowered car, I had to add 3mm spacers up front to prevent rubbing against the coilover adjustment collar.) For some reason, it only rubbed on the right side, but I obviously installed spacers on both sides.
So to all you C63 owners that want to run the F14s I can tell you that it is possible to do so with 245/35/19 fronts and 275/30/19 rears if you are willing to take some extra steps to make it work.
I must also give a huge kudo to Peter at Wheel Experts as he worked with me through this entire process and made the whole thing as painless as possible. Wheel Experts FTW!
First, I raised the suspension about 3/8" front and rear as it had settled since installation.
Next, I had the rear fenders rolled. (After this I was still getting some rubbing.)
Next up was to have 3mm machined off the back pad, thereby increasing the offset to a +53
At the same time I had the rear fenders rolled a little more aggressively and the corner of the fender where it meets the bumper cover trimmed slightly. (This area was sticking out into the wheel well a little after the rolling so my shop trimmed it back and rounded the edge to make it smooth.)
After all of this, my C63 looks bad a** and doesn't rub, while still allowing me to run the wider 275s in the rear.
(As a side note to anyone else getting F14s for a lowered car, I had to add 3mm spacers up front to prevent rubbing against the coilover adjustment collar.) For some reason, it only rubbed on the right side, but I obviously installed spacers on both sides.
So to all you C63 owners that want to run the F14s I can tell you that it is possible to do so with 245/35/19 fronts and 275/30/19 rears if you are willing to take some extra steps to make it work.
I must also give a huge kudo to Peter at Wheel Experts as he worked with me through this entire process and made the whole thing as painless as possible. Wheel Experts FTW!
Last edited by qship5; Mar 31, 2010 at 07:24 PM.
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Thread Starter
Super Member
Joined: Nov 2008
Posts: 684
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From: Dallas TX area
M5, C63, 335Ci
I was able to clean up the car today and take some pictures of the Forgestar fitment on my C63 after my mods to allow running 275 rears and to fix the front rubbing on the coilover adjustment collar. (As mentioned in my original post, these are now a net +42 offset front and +53 offset rear.)
Here they are.
Here they are.
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Joined: Dec 2006
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From: Livingston NJ
C63, Grigio Medio E46 M3
Damn that looks good! Makes me wanna order a set. Even the 275's look streched, don't know how they expect people to run a 265. Don't see that looking good.
Last edited by obsidian05e55; Mar 31, 2010 at 07:11 PM.
Junior Member
Joined: Jan 2010
Posts: 66
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AMG C63
Looks Great!
I'm running the same setup - Black C63 w/ GunMetal Forgestars and 245/35-19 - 275/30-19 Vredestein Sessantas.
However, I am running the stock suspension and there is no rubbing at all. Further, I believe that I can fit a 295 on the back. I'll be giving it a try next time around w/ the mods the car still can spin them up!
I'm running the same setup - Black C63 w/ GunMetal Forgestars and 245/35-19 - 275/30-19 Vredestein Sessantas.
However, I am running the stock suspension and there is no rubbing at all. Further, I believe that I can fit a 295 on the back. I'll be giving it a try next time around w/ the mods the car still can spin them up!
Junior Member
Joined: Feb 2009
Posts: 57
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From: Montreal
2009 C63 AMG, 2009 BMW 328Xi
Thread Starter
Super Member
Joined: Nov 2008
Posts: 684
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From: Dallas TX area
M5, C63, 335Ci
It is basically folding the lip along the underside of the fender up so that it does not stick as far into the wheel well. It is usually done with a rolling tool. On the C63 there is not a lot of material to roll, but if done well, can gain you about 4mm of additional clearance.
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Joined: Sep 2008
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From: SoCal
2009 C63, 2000 Nissan Maxima
fender rolling:
http://www.tom.actionfit.com/fenderolling.html
qship...looks great! thanks for the help too
http://www.tom.actionfit.com/fenderolling.html
qship...looks great! thanks for the help too
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Joined: Nov 2008
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From: Dallas TX area
M5, C63, 335Ci
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From: Toronto
2016 C63 S
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Joined: Apr 2009
Posts: 2,515
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From: Toronto
2016 C63 S
Totally hear you...but it sounds like alot of your rubbing was due to your coilover clearance and the offset of the wheel....
I'm going to be running the H&R springs.....
It's all about stance for me so i dont mind doing a little extra work for the right squat
Thanks for the heads-up
