[Diy_efi] Brake pad spacers (sorry off topic but in need of help)

[steve at donegan.org]

You are better off getting the proper sized disks (cross drilled, J-cut, slotted whichever voodoo you believe in) than trying this. And for the record I do race cars :-)
____________
Steven Donegan
SSCC/NORC Car #86
www.sscc.us



--- On Sat, 10/23/10, Avery Nisbet <anisbet at gmail.com> wrote:

> From: Avery Nisbet <anisbet at gmail.com>
> Subject: Re: [Diy_efi] Brake pad spacers (sorry off topic but in need of help)
> To: "Dan" <dzorde at yahoo.com>
> Cc: diy_efi at diy-efi.org
> Date: Saturday, October 23, 2010, 5:04 PM
> Is this on a race car?? Or a
> show truck?
> 
> On a race car use plates less likely to fail and they move
> heat better.
> For that matter don't use the pucks or dohnuts you want to
> make on anything.
> 
> Thermal expansion could cause them to grow faster than the
> pistons and
> crack them.
> If they don't grow as fast as the pistons then they could
> get loose
> and work their way out.? Possible causing a brake
> lockup, something
> you don't want the rears todo.
> 
> 
> -Avery
> 
> On Fri, Oct 22, 2010 at 9:58 PM, Dan <dzorde at yahoo.com>
> wrote:
> > Hi all,
> >
> > Sorry to be off topic, but I know the members of this
> list hold a wealth of
> > information on general automotive ideas.
> > Anyway, problem is my rear?calipers (4 piston fixed
> mount) are made for thicker
> > disks than I'm using (like 8mm thicker). So I want to
> space the pads to take out
> > some of the gap.
> > Sooo, has anyone ever just made a spacer that extends
> the piston length
> > (machined with a collar to sit in the end of it),
> rather than use a solid plate
> > spacer ?
> > In my case it is much faster to just turn up? 8x
> piston bungs instead of 4x
> > spacer plates.
> > The plan was to not have them solid on the end, but
> more like a very thick piece
> > of ally pipe (these are 1.75" pistons).
> > So any pros / cons for this ?
> > Expansion issues of the ally bungs in the piston, I
> could machine them slightly
> > smaller than the piston insides and hold them in place
> with an o-ring so they
> > don't rattle,
> >
> > Cheers
> >
> > Dan
> >
> >
> >
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