Installed all Z06 suspension on my coupe and started mounting the I-Forged wheels. As I was tightening down the rears, I noticed they were not spinning... The wheels are hitting my brake caliper. I had told I-Forged that I had a BAER Eradispeed brake kit on the rear and assumed they had set the offset to clear them... Apparently not.

Now I have a decision to make. I have to decide between:
1. Sending the wheels back. PITA as I have the tires mounted, hidden weights, time taken in the process, possible damage during shipping as I dont have the boxes anymore... etc etc
2. Either I-Forged or me make up a 4mm Aluminum spacer to move the wheel further out. Bad for handling and I am sure the tires (315/30) already are going to poke out a bit so I dont want another 4mm.
3. I pull the calipers and machine off the bumps on the outside and the two small bumps where they contact the pad. Then surface grind the new brake pads down about 1mm. This should pull the floating caliper in enough to clear... The downside is that GM put enough metal in the caliper to be safe and milling could slightly weaken them. However, I am a mechanical engineer and the two areas that are being modified are not high stress positions required for clamping force.

Your thoughts on my 4mm dilemma?

 

I ran into the same problem when I tried to mount my Fikse's from my 93 on my Z06. The fronts hit the calipers ever so slightly. I decided to just get the wheel refitted.

A few hundred dollars to me isn't worth messing with the brake system.

 

That does not shock me at all. Been there, done that. I had to send my wheels back the first time I received them because of offsets being completely wrong and inner barrels not being polished. When I finally received them, the inner barrels were polished and the offsets were better but not what I originally ordered. Better meaning they would fit the car, but would not be sitting where I originally had planned. There was no way I was going to send them back so I kept them.

Don't really now how you should proceed, but I would probably resort to sending them back as your last choice.

Good luck!

 

Do not mess with the Brake System....you might need that to STOP

Have new wheels made.......less expensive in the long run

 

Been there done that too.. purchased a new brake system that was "supposed to fit with factory wheels" I had to have 2 sets of custom tires and wheels made (track and street) for my car..

Bottom line here people, be sure you know what you are getting when you order something.

A 4mm spacer would not be a bad thing to do in this case.

VR

 

Simple solution have Iforged send you a 4mm spacer... problem solved... you're only talking 3/16ths of an inch. It is done all the time..
I have CCW's 19 in rears... I just put on the 14 inch rear rotors... John makes the wheels to fit that rotor offset...if he knows ahead of time...
Iforged knew you had the big rears on and dropped the ball on the offset..
I did not have the big rear rotors when I ordered my CCW's
I called John about my concern and he sent me two spacer free of charge, and I had them in three days...
There really is no issue...
Let's see if Iforged has truely turned their customer service around.
Good Luck
Bill

 

Yes, I would agree. I believe this is what I and others have done or intended to do. I was ordering custom wheels which asked for offsets. I provided those offsets and also stated that the lip size can be changed to meet the specfications. I have it documented and had verbal conversations confirming that. After months to even a year go by, what you end up with still is not what you ordered. There was no way for me to physically guarantee that what I was being shipped was correct. I just went by individuals responses and assurances.

 

Thanks guys, I will contact I-Forged to see what they can do for me. I dont like the spacer idea but I will use some washers tonight to see what the offset needs to be. It will also show me how far the tires stick out and what new wheels would look like. I will keep everyone posted.

 

When I mounted the rear wheels with 275/ 19 tires the wheels didn't bind on anything but after a few weeks the red powdercoating was worn off the front edge of each caliper. The cornering loads and tolerences allowed the wheels to just hit the calipers; a file knocked down these spots about 1-2mm.

 

I recently received my wheels from Iforged 18/19 Aero’s 2"/3" lips and have the same problem.
I need a ½" spacer on my rears to clear my calipers I was planning on shaving down the caliper but don’t know what to do now? I’m have a 2" backspace on the front wheels and a 1 ½" backspace on the backs. Does this seem right?

Any Ideas?

 

Just spoke with Vince and he advised that to clear the Eradispeed 14" rotors/caliper, I would need a 2.5" lip on a 10.5" wheel (I have the 3" lip on a 11" wheel). Because I have the 315 tires, they wont fit too well on a 10.5" wheels... and I dont want 10.5" rears anyway.

Vince is going to send both 3mm and 5mm spacers. I think I will try to use the 3mm spacer and shave down the bump on the caliper by a couple of mm (using my die grinder so I dont have to bleed the brakes).

Nothing but good things to say about their customer service

 

lol will be watching that. Was on the Iforged sponsored GP awhile back and that was a nightmare. Still have not put on my 18" front and 19x12 rears. THey are "supposed" to cut for big brakes, but we shall see.

 

I just had the same problem with the Weld Evo's.
The spoke nearest to the lip hits the caliper. Are you guys saying that without using spacers the iforged will not work either?
I just sent them (iforged) an email telling them exactly what I have, 14" brakes, lowered, etc.
Vincent replied a few minutes ago and said all I would need is 20 X 10.5
and I would not have any problems. Is this

 

Our 3" lip in the rear will NOT clear big brakes or rotor upgrades with stock calipers. If you choose the 2.5" lip we can clear all the big brakes out there, but you will be limited to a 10.5 width, because of the inner barrel configs.

 

The only way to make a 3" lip fit the 14" Baer Eradispeed kit is to do this:

http://forums.corvetteforum.com/show....php?t=1009708

 

If it were me I'd choose clearancing the calipers in a couple of spots 1 or 2mm before I went w/ spacers..

 

iforged:
So your 20 X 10.5 FS Rev will clear with no problem an no spacers on my "04" C5?

 

I have to tell the forum, Vince is a stand-up guy. He is shipping the 3mm spacers in case I need them down the track and has offered to pay the $80 machining cost for the calipers. This is what separates the good vendors from the bad... customer support AFTER the deal has been done.

Thanks I-Forged

 

[QUOTE=sprinter] "The wheels are hitting my brake caliper. I had told I-Forged that I had a BAER Eradispeed brake kit on the rear and assumed they had set the offset to clear them... Apparently not."

Call me whatever but, if Iforged would have just made the rims right from the start there would be no problems clearing the Baer brake system. You told them about the brakes from the start, I must be old school, just do the job right thats all!!! Yes, great customer service I'll do this and that. Well yes it is worth something. But how about DOING IT RIGHT FROM THE START! Double check your product before you ship it out. Some of use dont have the time to shave parts down, send big dollar rims back to be done right or just slap on some washers-yah right. Good luck, just dont send them back to get fixed, it will be weeks and weeks and weeks before you ever see them - but you'll get Great Customer service. Are they a Vendor here? Yes, I'm one of the old GP'S.

 

Thanks for the input.
We ordered them yesterday, so hopefully I'll be seeing them in 4 to 6 weeks. I'm going to choose to remain positive and believe I'm going to get what I paid for. I'll keep everyone posted on iforged progress and in keeping their word.

Have a great day!