Quote:
Originally Posted by Kit Coyle
I am confused about these GM D52 two piston replacement calipers. I realize
neither the Wilwood nor the SSBC calipers would be a huge improvement with
the 11" discs. The stock single piston D52 has a 2 5/16" piston for a 6.77 sq."
area.
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Check your math. The stock D52's piston area is 4.4 sq in.
On the other hand, my memory failed me on the Wilwood 4-piston diameter. 2 x 2" piston would require a (big!) master cylinder diameter that doesn't exist.