C4 rear caliper plate?

vette427sbc

vette427sbc

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Potentially a long shot but does anyone happen to have a caliper mounting plate off of their car? I would greatly appreciate some quick dimensions if so: bolt circle and inner diameter.
I need to make a new one for a radial mount caliper and spot caliper.
Thanks!
48181342d1501790797-c4-wilwood-rear-brake-upgrade-rearbrakebrackets.jpg
 
BBShark said:
Iv'e got one. I'll measure today and post
Click to expand...

The bolt circle is 120.65mm with .497 dia holes. The bore is stepped into 3 diameters. The bore that fits to the carrier (in your picture) is 3.934 dia. The center bore is 3.776 clearance. The bore that fits to the wheel bearing assembly is 3.620.

The bracket is 1.560 thick.
 
BBShark said:
BBShark said:
Iv'e got one. I'll measure today and post
Click to expand...

The bolt circle is 120.65mm with .497 dia holes. The bore is stepped into 3 diameters. The bore that fits to the carrier (in your picture) is 3.934 dia. The center bore is 3.776 clearance. The bore that fits to the wheel bearing assembly is 3.620.

The bracket is 1.560 thick.
Click to expand...

Perfect thank you!!
Ill post up my final drawing when its complete... C5 front rotor, Stoptech ST40 radial mount and an IPSCO mechanical spot caliper.

PS: Your bolt circle is center to center or edge to center?
 
The bolt circle is to the center of the bolts.

Sounds like a nice setup. Looking forward to seeing it.
 
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