[DML] Re: Specs on rear caliper bolts?
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[DML] Re: Specs on rear caliper bolts?



I'll second that.  The seal is made between the piston and the seal,
so as long as the bore doesn't have "projections" sticking out where
the piston could hit it (like you get with rust), it's not going to
interfere with its operation.  I replaced my pistons with the
stainless ones that John Hervey sells.  

See here:
http://i111.photobucket.com/albums/n126/supermattthehero/steelpistons.jpg

Matt
#1604
www.dcpowdercoating.com



--- In dmcnews@xxxxxxxxxxxxxxx, "bitsyncmater" <david.mckeen@...> wrote:
>
> I asked the vendors if anyone had oversize pistons or sleeved the 
> bores.....Nobody did this.  Pitting in the bores is not a problem as 
> long as they are clean without burs.  The seal seat has to good as 
> not to leak.
> 
> 
> --- In dmcnews@xxxxxxxxxxxxxxx, "David Teitelbaum" <jtrealty@> 
> wrote:
> >
> > There are many areas of the Delorean that have little to no
> > documentation. About the only thing mentioned about the calipers is
> > that you are not supposed to take them apart. The book considers 
> them
> > unrepairable. The mechanics were supposed to just replace them. As a
> > practical matter now of course you can rebuild them. You can also
> > reuse that tiny square "O" ring that seals the to halves together (I
> > use silicon sealer on it). I just tighten those bolts up "real 
> tight".
> > No spec. You may choose to use some Lock-Tite on them also. You have
> > to be sure the parts are very clean with no burrs, nicks, or
> > scratches. The bores where the pistons go can't have pitting and if
> > the plating is worn off the pistons they have to be replaced. The
> > bores can be sleeved. Most of the vendors have an exchange program 
> for
> > cores. They also offer sleeved calipers or you can send them out
> > yourself directly to places like White Post.
> > David Teitelbaum
> > vin 10757
> > 
> > 
> > 
> > --- In dmcnews@xxxxxxxxxxxxxxx, "joekuchan" <josephkuchan@> wrote:
> > >
> > > Anyone know off the top of their head what the specs are for the 
> four 
> > > bolts that hold the two rear caliper halves together? 
> > > 
> > > I haven't popped one out to measure but looking at them from the 
> end 
> > > they look to be about M8 by maybe 50 or 55 MM long with a 
> standard 
> > > thread pitch, but does anyine know for sure? Also what property 
> class 
> > > should they be? 8.8? 10.2? 12.2?
> > > 
> > > Thanks,
> > > Joe
> > >
> >
>




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