I'll agree with David or perhaps debris in the m/cyl allowing the seals to 
flex away from the bore walls when the debris is trapped.
Guy R Day
A-H Sprite Mk IV
---- Original Message ----- 
From: "David Lieb" <dbl@chicagolandmgclub.com>
To: "Spridget List" <spridgets@autox.team.net>
Sent: Friday, September 01, 2006 2:35 PM
Subject: Re: Brake pedal
>> Something is leaking somewhere allowing air in the system, probably
>> master cylinder.  It wouldn't hurt to check the wheel cylinders in the
>> back, too.
>
> No, I don't think air is getting into the system, otherwise he would never 
> get a hard pedal. The fact that gentle pressure allows the pedal to go to 
> the floor implies that the cups in the MC are just plain worn and need 
> replaced ( if you push aggressively they flare and seal). Rebuild/replace 
> the MC and you should be fine.
> David Lieb
 
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