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Old 11-08-2022, 07:06 AM
Argess Argess is offline
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I should have the new MC in a few days. Am very anxious to see how it affects the line pressure.

It has occured to me that I may have worn the cylinder egg-shaped early on. When I first assembled the car, the MCs and pedals were already installed, so I didn't pay much attention to them.... for years.

What may have happened is by pressing the brake pedal, the rear master cylinder got up to pressure before the front as the MC pushrods had been set to the same length. This would jam the pushrods against opposite ends of the tube that holds the balance bar bearing. Maybe this would cause the cylinder to wear.

Once I change the front MC, I will measure the bore with a telescoping gauge. According to my brake handbook, a difference of 0.006" is considered to make the cylinder useless.

Last edited by Argess; 11-08-2022 at 08:57 AM..
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