[DeTomaso] Booster talk

[boyd casey]

Can you send me  the link to CNC. I am working on upgrading my brakes to
Bremo calipers and I want to replace my master cylinder to a two resevoir
model.
Boyd

On Wed, Jul 22, 2009 at 8:16 AM, Larry - Ohio Time Corp <
larry at ohiotimecorp.com> wrote:

> Call me crazy, and many do, but I think the design of the master cylinder
> plunger sucks. I would never want the front 1/2 of the piston being pushed
> by a spring! If the bore got gooped up the piston would not move forward,
> the spring would just collapse. I want to regulate the pressure by the
> amount I push with my leg, not the amount of movement the spring is
> allowing.
>
> I think I am going to shoot mine when I go home tonight.
>
> Larry (still crazy) - Cleveland
>
> -----Original Message-----
> From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com]
> On
> Behalf Of Thomas Tornblom
> Sent: Tuesday, July 21, 2009 5:33 PM
> To: Tomas Gunnarsson
> Cc: detomaso at realbig.com
> Subject: Re: [DeTomaso] Booster talk
>
> Tomas Gunnarsson skrev:
> > Yes, but it takes more than sleeving down the front part of the bore.
> You'd have to turn down the front part of the slave piston and sleeve down
> half the bore for that piston in order to get a change in pressure. I think
> you'd need a notably longer cylinder and piston combination to retain
> sufficient clearances to make the two circuits work with redundancy to
> failure in one circuit. I can look for it and we can take it apart
> together.
> Note that my cylinder is very early in case they changed during production.
>
> Thanks.
>
> I found a photo of a disassembled cylinder here:
> http://www.brakecylinder.com/oddsandends.htm
>
> Although it is a Bonaldi, it appears to be very similar, if not identical.
>
> I guess a dual master setup with a balance bar is the simplest to get
> working.
>
> I also noticed that the GT5 use a cylinder with a larger bore (25mm)
> than earlier cylinders (22 or 23 mm).
>
> >
> > Tomas
>
> Cheers,
> Thomas
>
> >
> > ----- Original Message -----
> > From: "Thomas Tornblom" <Thomas.Tornblom at hax.se>
> > To: <detomaso at realbig.com>
> > Sent: Tuesday, July 21, 2009 9:44 PM
> > Subject: Re: [DeTomaso] Booster talk
> >
> >
> >> Anyone got a late master cylinder to spare, working or not working?
> >>
> >> I'd like to see if it would be possible to add a sleeve to the front
> >> bore and thereby increase the pressure to the rear brake circuit.
> >>
> >> Pictures of a disassembled Benditalia master cylinder would also be
> >> interesting.
> >>
> >> Tomas:
> >> Wasn't your stock master cylinder broken? Have you opened it up?
> >>
> >> Cheers,
> >> Thomas
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>
> --
> Real life:   Thomas Törnblom             Email:  Thomas.Tornblom at Hax.SE
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