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> Anyone know this Trans Am from the NASA/CMC Rocky Mountain region?
FASTFATBOY
post Jul 12 2014, 12:15 AM
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http://www.racingjunk.com/NASA-Camaro-Must...rd-CMC-car.html

(IMG:http://s3.amazonaws.com/s3.racingjunk.com/ui/5/33/34407335-396-1995-Firebird-CMC-car.jpg)

Says he is running a Wilwood SL6 Caliper and a C5 rotor under that 17 inch wheel. I want to know how he did it.

I contacted the last owner, he bought the car the way it is.

This post has been edited by FASTFATBOY: Jul 12 2014, 12:16 AM
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nape
post Jul 15 2014, 03:31 AM
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I'd call up Wilwood's tech line and see if they can advise you. Even if the bracket isn't supposed to fit a C6 rotor, you can shim outward with hardened washers. I've been running the brackets on my 3rd gen like that for 8 years.

After typing that, I'd measure the Wilwood hat/ring setup you're running now vs. a C6 rotor (still have old ones?). If the offset is smaller on the Wilwood hat style, all you need is some hardened washers behind the caliper bracket and longer bolts. If you need something to measure with, you can buy a 6" digital caliper from Harbor Freight or other importers for <$20 with a coupon. It doesn't have to be perfect. I'd try to get it within .010", but OEM tolerance is probably higher.
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FASTFATBOY
post Jul 15 2014, 11:11 AM
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QUOTE (nape @ Jul 15 2014, 03:31 AM) *
I'd call up Wilwood's tech line and see if they can advise you. Even if the bracket isn't supposed to fit a C6 rotor, you can shim outward with hardened washers. I've been running the brackets on my 3rd gen like that for 8 years.

After typing that, I'd measure the Wilwood hat/ring setup you're running now vs. a C6 rotor (still have old ones?). If the offset is smaller on the Wilwood hat style, all you need is some hardened washers behind the caliper bracket and longer bolts. If you need something to measure with, you can buy a 6" digital caliper from Harbor Freight or other importers for <$20 with a coupon. It doesn't have to be perfect. I'd try to get it within .010", but OEM tolerance is probably higher.



Wilwood's tech line is useless, they didn't even know that the rotor I have on the car now existed in their parts bin to fit this kit. They also told me to take the ducts off the car and "try it" after I clearly have a heat issue with the rings. I talked to 4 guys there, was e mailed by a guy that was supposed to know his stuff. Only to have more "seasoned" responses thrown at me. Wilwood is a "show car crowd" brake tech center...not for guys like us.

Talking to those rocket scientists is a no go.

Offset is MUCH bigger to the inside of the car on the Wilwood rotor hat over the C6, that's how they get that huge caliper behind a stock 17 inch wheel. No way I would space it that far back and trust the bolts with that much load.
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Posts in this topic
FASTFATBOY   Anyone know this Trans Am from the NASA/CMC Rocky Mountain region?   Jul 12 2014, 12:15 AM
DanielB   QUOTE (FASTFATBOY @ Jul 12 2014, 12:15 AM...   Jul 12 2014, 07:45 PM
FASTFATBOY   QUOTE (DanielB @ Jul 12 2014, 07:45 PM) Q...   Jul 12 2014, 08:02 PM
trackbird   I had SL6's on my 2002 Z28 with C4HD 13" ...   Jul 12 2014, 08:33 PM
FASTFATBOY   QUOTE (trackbird @ Jul 12 2014, 08:33 PM)...   Jul 12 2014, 09:28 PM
nape   C5 rotors used to crack all the time on track talk...   Jul 14 2014, 07:40 PM
FASTFATBOY   QUOTE (nape @ Jul 14 2014, 07:40 PM) C5 r...   Jul 14 2014, 07:55 PM
nape   QUOTE (FASTFATBOY @ Jul 14 2014, 02:55 PM...   Jul 14 2014, 10:07 PM
FASTFATBOY   I was running a C6 rotor, I like the way they last...   Jul 14 2014, 10:35 PM
nape   I'd call up Wilwood's tech line and see if...   Jul 15 2014, 03:31 AM
FASTFATBOY   QUOTE (nape @ Jul 15 2014, 03:31 AM) I...   Jul 15 2014, 11:11 AM
wstukas   I could be mistaken...but can't you drill out ...   Jul 15 2014, 08:51 PM
FASTFATBOY   QUOTE (wstukas @ Jul 15 2014, 08:51 PM) I...   Jul 15 2014, 11:08 PM
79T/A   Wish there was a way to use the C6 rotor with the ...   Jul 15 2014, 11:20 PM

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