Quote:
Originally Posted by 412usa
The Bristol manual does not recommend re boring master cylinders. Does anybody know why
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The master cylinder bore and therefore the swept volume is matched to the calipers and the braking surface area at the design stage. Although a master cylinder rebore is unlikely to affect braking greatly, nevertheless I am sure the Bristol lawyers advised them to cover their bottoms, since one never knows what some idiotic Future Owner is likely to do.
Having said that, Bristol always seemed to get components off other people's shelves, so getting hold of a NOS or brand new master cylinder is certainly going to be cheaper and more straightforward than a rebore..... what seal kits do you buy for a rebore? Yes, a reline is more likely than a boring out, but what a needlessly complicated solution to a simple problem!