[DeTomaso] brake system question

[boyd casey]

Did you remove the stock proportioning valve from the Pantera brake system?
Everything is designed to alter brake force from front to rear. There is no
adjustment to effect braking from left to right. My guess is that you have a
defective component on one side. This is also the problem with designing
your own brake system. It is a very dangerous thing to experiment with.
Boyd

On Tue, Sep 14, 2010 at 7:03 AM, Justin Greisberg <
justingreisberg at hotmail.com> wrote:

>
> I have "created" my own brake system - wilwood superlites 4 piston up
> front, PBR single piston rear (built in parking brake - from a90's camaro -
> Byers uses these), stock booster, ford master cylinder with adaptor (prob
> 0.875" bore size), stock shuttle valve, adjustable rear prop valve
> problem 1 - pedal is a little bit soft and does not brake car well.  I have
> pressure bled system about 100 times with both the mity-vac and the device
> that pressurizes the master cylinder from above.  Is it still air in system
> or is master cylinder too small?
>
> problem 2 - car pulls hard to driver side under braking.  I can lock up
> only the driver's side front wheel if I really try.  This is the problem
> that really has me worried.
>
> Any suggestions?  I have narrowed it down to either:
> 1. too small master cylinder bore size
> 2. still some sir somewhere in system
> 3. ?booster is not getting enoug vacuum? - easy to check next time car is
> running.
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