Hi Mike,
Front disc brakes should have a 3/4" master. Make sure the rear drums are
adjusted properly. If the rears aren't adjusted properly you quite often will
have to pump the pedal to get it firm.
Rick
> On Jan 15, 2022, at 11:22 PM, Michael MacLean via Spridgets
> <spridgets@autox.team.net> wrote:
>
> 
> The front drum brakes and master cylinder on my Bugeye were recently swapped
> out for disc brakes. The old master was 3/4" bore with a 7/8" sleeve for the
> Datsun clutch. The new master is 7/8" in both bores to actuate the calipers
> correctly. Installation went without a hitch and the car was bled multiple
> times, but for some reason the brake pedal goes down aways before it works.
> You can actually pump the pedal up a bit. We can't understand it. There are
> no leaks and it was bled properly, butt it acts like there is still air in
> the system. Any ideas?
> Mike MacLean
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