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Brembos that fit 17" Wheels for 4th Gen How to explained with video!

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Old 07-17-2018, 08:36 PM
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Originally Posted by maroonls1z
What size studs do you use with the wheel spacer?
The ARP studs are about 2.5 inches long. Part number 100-7708. Do a search on Summit for them.
Old 07-17-2018, 08:41 PM
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@z-camaro or @13thFlame (or anyone) Can you measure how much space you have on your wheel, from the outside edge of the caliper to the wheel barrel? Not the spokes, but the gap where the inside edge of the wheel faces the pins and the top edge of the pads etc.
The reason I ask is, I have a set of CCW wheels that have a "hump" on the inside of the rim. So even though they are 17s I am worried those will have reduced clearance because of the inside of the barrel not being straight. As in, I would need to get 18" rims from CCW to fit these brakes. Thanks!

Last edited by Chris Paveglio; 07-19-2018 at 11:47 AM.
Old 07-19-2018, 12:43 PM
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Originally Posted by Chris Paveglio
@z-camaro or @13thFlame (or anyone) Can you measure how much space you have on your wheel, from the outside edge of the caliper to the wheel barrel? Not the spokes, but the gap where the inside edge of the wheel faces the pins and the top edge of the pads etc.
The reason I ask is, I have a set of CCW wheels that have a "hump" on the inside of the rim. So even though they are 17s I am worried those will have reduced clearance because of the inside of the barrel not being straight. As in, I would need to get 18" rims from CCW to fit these brakes. Thanks!
Replied to your PM, I have about 5/8" at the tightest point from the caliper to barrel.
Old 07-26-2018, 02:59 PM
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Well the answer is, 17" CCW wheels, 3 piece kind, have a hump and that hump means they are effectively 16 inch wheels on the inside, and don't fit over these brakes. You gotta go 18.

I have been mistaken. 17" 3-pc wheels probably DO fit. I had bought the z51 (bigger 13.6 rotor) calipers, not the BASE C7 caliper, which is physically smaller for the 12.6 rotor.

Last edited by Chris Paveglio; 10-21-2018 at 10:46 AM.
Old 07-27-2018, 10:52 PM
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Damn I hope Fikse isn't the same
Old 07-29-2018, 09:25 AM
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My old TrueForged wheels had something similar but it was for the hidden valve stems and wouldn't fit my Brembos either. Such a stupid design.
Old 07-29-2018, 08:26 PM
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I called to complain to CCW and the guy on the phone said that "ALL" 3 pc wheels would have a hump, and he said not just CCW but all manufacturers. So, everyone with a 17" 3pc might be out of luck. But, I guess you have to check every wheel design.

Also, you need 45mm from the mounting flange to the inside of the spoke for cleanance.
Old 07-31-2018, 02:59 PM
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Caliper Mounting Bolt
11611085

this isn't coming up as a valid part number on rock auto
Old 07-31-2018, 04:23 PM
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The bolts are only about $2.30 on GMPartsDirect. Sometimes RA doesn't have the simplest pieces, too generic. McMaster-Carr has some, Fastenal does not list 45mm length in a flange bolt.
Old 08-01-2018, 12:30 AM
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Old 08-01-2018, 11:20 AM
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Something I saw no one else mention before I did my upgrade was the torque spec for the caliper to spindle bolts. GM says 162ftlbs for those bolts. After seeing that and finding out they are 20 bucks I believe for all 4 (I can check tonight) from the dealer, I just got OEM for the peace of mind.
Old 08-01-2018, 11:26 AM
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I saw that on a spec sheet too. I don't even have a torque wrench that goes that high! That's really insane. Red loctite and then maybe hit it with my impact gun.
I've got my stuff on order also.
Old 08-01-2018, 11:28 AM
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Yeah I went and bought one from harbor freight. They come with some blue thread locker on them from GM though.
Old 08-01-2018, 11:28 AM
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When converting over from a stock LT1 brake system, does anyone know if LS1 brake lines will work? Would I need conversion brake lines?
Old 08-01-2018, 11:32 AM
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I would suggest getting correct length lines. Some have said you can use stock length LS1 lines but mine were a little too tight for my comfort.
Old 08-08-2018, 03:56 PM
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Stock (used) brake disk: 17.5 lbs, stock caliper: 8.5 lbs = total 26 lbs
New 12.6 inch disk: 19 lbs, brembo caliper: 9.5 lbs = total 28.5 lbs

*this is with digital bathroom scale only good to 1/2 lb accuracy.
**brand new small disk might be +0.5 lbs unused from material worn off?

Last edited by Chris Paveglio; 10-21-2018 at 11:05 AM.
Old 08-31-2018, 07:41 AM
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Hey guys, I have a couple of questions about the conversion as I am simply an "As I need to learn it" mechanic lol
First, I assume that the 6th gen SS 4 piston calipers have the identical specs as the Brembo's you put on your car just decaled for the Camaro?
Next, in any of the conversions to 4 or 6 piston, does this put added strain on the master cylinder? If so, is there a stronger compatible bolt-on to swap with?
Lastly, I have C6 base vette rims, 18" front 19" rear. The rears already have 1" spacers for clearance issues, but the fronts aren't spaced. Does anyone have any experience or know if I would need a spacer in the front with these rims?

I appreciate the help guys!
Old 08-31-2018, 12:26 PM
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Originally Posted by Chris Paveglio
Well the answer is, 17" CCW wheels, 3 piece kind, have a hump and that hump means they are effectively 16 inch wheels on the inside, and don't fit over these brakes. You gotta go 18.
thats a stepped lip right ?
Old 08-31-2018, 04:04 PM
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Here's a pic of the inside of the rim and the front too.


Old 09-01-2018, 01:57 PM
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Originally Posted by 1bdbrd
Something I saw no one else mention before I did my upgrade was the torque spec for the caliper to spindle bolts. GM says 162ftlbs for those bolts. After seeing that and finding out they are 20 bucks I believe for all 4 (I can check tonight) from the dealer, I just got OEM for the peace of mind.
Good info right here. Don't want to be snapping non OEM bolts with that much torque.


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