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Third Generation GM F-Body Brake Upgrade – Spindle Bracket Design (5/9)

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This page contains brackets needed to mount various brake setups to modified 82-92 F-Body front spindles.

 

Corvette 1988-1996 C4 HD & Non-HD Setups

The C4 12-inch and 13-inch HD setups use the same bracket.  When using a C4-HD (13 inch) brake setup this bracket needs to be 1/2 thick to properly position the caliper mounting bracket.  I highly recommend having the bracket cut out of 3/8 inch steel and using two 1/8 inch shim or washers to space the caliper mounting bracket out to reduce sprung weight.  Bear uses 5/16 inch thick brackets so it would be safe to use that thickness also with a 3/16 inch shim or washer.
C4 Bracket with Dimensions (AutoCAD File)
C4 Bracket (AutoCAD Version 2000 File)
C4 Bracket (AutoCAD Version 2005 File)
C4 Bracket (DXF File)
C4 Bracket (PDF File)

 

 

1998-2002 Camaro / Firebird F-Body "LS1" Brakes

(Holes labeled "C" is where the caliper mounts, holes labeled "S" is where the bracket mounts to the spindle)
The bracket should be cut out of 3/8 steel.
LS1 Bracket (AutoCAD DWG File)
LS1 Bracket (DXF File)
LS1 Bracket (PDF File)

 

 

 Corvette C5 & C6 Brakes

This bracket will work for all C5 brake, C6 Std JL9 (12.8" rotor), and C6 J55 Z51 (13.19" rotor).  This bracket also fits RaceCrafts 2" drop spindles.  This bracket will not work with C6 Z06 brakes.
C5 & C6 Bracket (AutoCAD File) this bracket was put into CAD by Thirdgen.org member Vexter
C5 & C6 Bracket (DXF File)
C5 & C6 Bracket (PDF File, legal paper size)

 

 

2004-2007 Cadillac CTS-V OR 2010+ Fifth Generation Camaro Brembo

  
This bracket will work with a 2004-2007 Cadillac CTS-V or 2010+ Camaro 4 piston Brembo brake calipers.  Both calipers must be used with a C6 Corvette Z06 14-inch rotor.  The CTS-V calipers use 12mm mounting bolts and the Camaro calipers use 14mm mounting bolts so there are two hole sizes in the bracket file to accommodate either caliper.  This bracket should be machined out of 3/8 inch thick steel and used with a HD (1LE) hub.  You will need to space the caliper out away from the bracket to center it on the rotor and to clear the lower spindle bolt.  Use hardened steel washers and a feeler gauge to center the caliper on the rotor.
Cadillac CTS-V or 2010+ Camaro 4-piston Front Brembo Brake Bracket (AutoCAD File)
Cadillac CTS-V or 2010+ Camaro 4-piston Front Brembo Brake Bracket (PDF File)
Cadillac CTS-V Bracket (DXF File)
2010+ Camaro Brembo Bracket (DXF File)

 

 

Original 12-inch Baer Brakes Bracket

This bracket is designed to be used with a Baer brake caliper carrier (abutment bracket) .  From my research it seems Bear brakes used a corvette C4 13" caliper carrier or similar.  It may be possible to use the 13" C4 caliper with 12 inch rotors but has not been tested.
Stock Baer Brakes Bracket (AutoCAD File)
Stock Baer Brakes Bracket (PDF File)

 

Viewing and Printing Files:

You can download a free autocad .dwg fileviewer here; Autodesk Design Review and AutoDesk TrueView.  AutoDesk design review software is very useful if you are making the brackets by hand as the software lets you setup and scale your printer so the brackets will print out 1:1.  If you are using the PDF to print a properly scaled bracket you will need to scale the bracket in the print options until the scale check lines measure exactly 6 inches.

 

License:

All brackets are released under Creative Commons ShareAlike, CC BY-SA, which means you are free to copy, distribute, modify, transmit, and even sell my work as long as you credit me and license your new creations under the identical terms.

This work by Luke Skaff, www.lukeskaff.com is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.

 

Disclaimer:
I specifically disclaim liability for use of the brackets I designed on vehicles used on public roadways or off road by user, and such use is entirely at the user's own risk.  User agrees to defend, indemnify, and hold me harmless from and against any and all claims arising out of use of the brackets in any applications by user.

Use these brackets at your own risk.

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Page created: January 2006
Page content last updated: October 2011