Ok, just picked up an '95 Astrovan hydroboost unit and a Chevynut adapater plate for my '57 Belair. Been searching around as to which master cylinder size I should be using. Everything I find states to match the bore size to that of the caliper. However, I'm using a big bore CPP kit (p/n CP412526-B) and I cannot figure out which master cylinder I should be using - cause the specs on the caliper show the bore size of 2.75". ????
I'd like to use a Wilwood MC. Which one of these would work, if either?
Wilwood 260-8556 1 1/8" bore
http://www.jegs.com/i/Wilwood/950/26...rentProductId=
or
Wiwood 260-8555 1" bore
http://www.jegs.com/i/Wilwood/950/26...rentProductId=
Thanks in advance!