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hydraulic master cylinders

To: british-cars@autox.team.net
Subject: hydraulic master cylinders
From: jfhess@bullwinkle.ucdavis.edu (John Hess)
Date: Wed, 1 Jun 1994 11:33:58 -0800
Hello everyone!

I just managed to change the radiator fan on my Sunbeam Tiger from a 5
bladed flex type to a 6 bladed ford.  This is supposed to be THE fan to
keep air moving through the radiator when the car isn't.  Anyway, when I
went to take a spin around the block, the clutch felt wimpy;  I checked it
out and the master cylinder was dry.  I rebuilt it 4 years ago and just 3
months ago did the brake master. I bought brake and clutch rebuid kits at
the same time but didn't get around to doing the clutch until now (of
course).

My question concerns the bore of the master cylinder. When I did the brake,
it looked wonderful, smooth and shiny, like a clean shotgun barrel.  My
local guru says I should have run some fine(!) sandpaper around inside the
bore to clean out any undescribed glaze. (BTW I'm told that a hone is too
hard, it will eat the aluminum.) He feels that the brake will need to be
redone sooner than later since I didn't do that.  Now that I am getting
ready to do the clutch (it's out of the car on the kitchen counter) does
anyone have comments for me on pros or cons of cleaning the bore?

Thanks,

John Hess, PhD                    Phone me 916 752 8420
Dept of Human Anatomy             FAX me 916 752 8520
University of Calif               Email me jfhess@ucdavis.edu
Davis, CA                         or leave me alone, your choice.




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