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My restored IROC with some Vette friends

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Old 10-14-2019, 12:06 PM
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Car: 1990 IROC Z, 1987 IROC Z, 1986 Fir
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My restored IROC with some Vette friends





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Old 10-14-2019, 01:03 PM
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Re: My restored IROC with some Vette friends

Great trio of cars there!
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Old 10-14-2019, 07:21 PM
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Re: My restored IROC with some Vette friends

Nice cars!! The black and gold IROC'S are my all time favorites! Same goes for Admiral Blue as far as C4 Vettes go....
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Old 10-14-2019, 08:47 PM
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Re: My restored IROC with some Vette friends

I’m diggin the louvers...
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Old 10-19-2019, 11:40 PM
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Re: My restored IROC with some Vette friends

I’m diggin the ZR1...
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Old 10-20-2019, 09:51 AM
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Re: My restored IROC with some Vette friends

Wow... admiral blue ZR1! Nice...

Black and Gold IROC too... nice looking cars
Old 10-20-2019, 12:49 PM
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Re: My restored IROC with some Vette friends

The blue Corvette looks good, but the C5, not really a fan of the bloated bubbles.

Last edited by Big&BadGTA; 10-20-2019 at 03:40 PM.
Old 10-20-2019, 02:41 PM
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Re: My restored IROC with some Vette friends

Great pics, great cars. And loving that background. Looks like you live in a very beautiful area of Utah.
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Old 10-20-2019, 03:12 PM
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Re: My restored IROC with some Vette friends

The cars look good. But please adjust those fog lights on the IROC.
Old 10-21-2019, 12:12 PM
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Car: 1990 IROC Z, 1987 IROC Z, 1986 Fir
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Re: My restored IROC with some Vette friends

Will do!! Fog lights are a bit droopy
Old 10-21-2019, 12:16 PM
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Re: My restored IROC with some Vette friends

The C5 is the quickest. Maggie breaks the wheels loose easily

Old 10-21-2019, 02:36 PM
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Re: My restored IROC with some Vette friends

I still would take the blue C4 over the C5.
Old 10-21-2019, 02:36 PM
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Re: My restored IROC with some Vette friends

Ive always been a fool about that engine in the ZR1 !
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Old 10-31-2019, 05:00 PM
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Re: My restored IROC with some Vette friends

Originally Posted by Tibo
I still would take the blue C4 over the C5.

Absolutely, although I wish he had the right offset wheels in the back.
Old 11-01-2019, 01:29 PM
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Re: My restored IROC with some Vette friends

Originally Posted by TPIVette
Absolutely, although I wish he had the right offset wheels in the back.
AB ZR1 is special for sure. Wheels are the Fikse FM5. I still have the original A-molds, but prefer the look of the FM5. Didn't know the offset was incorrect??
Old 11-02-2019, 07:48 AM
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Re: My restored IROC with some Vette friends

[QUOTE=rudolphschenker;6335044]


Originally Posted by rudolphschenker
AB ZR1 is special for sure. Wheels are the Fikse FM5. I still have the original A-molds, but prefer the look of the FM5. Didn't know the offset was incorrect??
Fikse FM5s are beautiful and my favorite wheel for a C4, but your rear wheels sit pretty far inboard. I'd guess they were probably made for a regular C4?
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Old 11-02-2019, 11:32 AM
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Car: 1990 IROC Z, 1987 IROC Z, 1986 Fir
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Re: My restored IROC with some Vette friends

Hmmmmmmm.... previous owner had the Fikse's on. I think the correct ZR1 offset is +50 on the front and +43 on the rear for the FM5. Regular C4 offset is more shallow. I'll take a closer look
Old 11-02-2019, 02:22 PM
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Re: My restored IROC with some Vette friends

Originally Posted by rudolphschenker
Hmmmmmmm.... previous owner had the Fikse's on. I think the correct ZR1 offset is +50 on the front and +43 on the rear for the FM5. Regular C4 offset is more shallow. I'll take a closer look

50mm is the offset for the 17x11 A-mold that came on the 96 Grand Sports. 36mm is the offset for the 17x11s on ZR1. Either wheel will bolt on either car, but a 50mm wheel on a ZR1 will sit inboard and a 36mm wheel will poke out considerably on a standard with C4.

This is a 50mm 17x11 on the rear of my standard C4. This wheel would sit about an inch inboard on your ZR1.


Old 11-02-2019, 04:49 PM
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Car: 1990 IROC Z, 1987 IROC Z, 1986 Fir
Engine: 350
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Re: My restored IROC with some Vette friends

I will check the offset. I suspect it's ok, however now that you mentioned it, I'm curious.



Last edited by rudolphschenker; 11-02-2019 at 05:26 PM.
Old 11-03-2019, 10:34 AM
  #20  
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Re: My restored IROC with some Vette friends

Originally Posted by rudolphschenker
I will check the offset. I suspect it's ok, however now that you mentioned it, I'm curious.
If you still have your A-Molds, bolt one on the back and compare it to the Fikse.
Old 11-03-2019, 11:21 AM
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Re: My restored IROC with some Vette friends

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