Re: [DMCForum] squeaky clutch and hard pedal

["id" <ionicdesign@xxxxxxxxxx>]

As soon as i get my water pump on i can tell you if there is a
difference with the PJ Grady HCR clutch master cylinder, i just put one
on my car but havent gotten around to bleeding it yet.

Mark



Walter Coe wrote:

>  > ??? Surely a smaller bore would result in a longer travel with less
>
> > force required.
>
> I'm with Martin on this one.  Work = Force * Distance.  The
> transmission
> requires a certain amount of work to be done.  If you want to
> accomplish the
> same work with less force then you must increase the distance of pedal
>
> travel.
>
> > it's all down to the
> > DeLorean's master cylinder and/or pedal linkage that makes it stiff.
> A
> > stainless braided clutch line can help too.
>
> Jim's car has a metal tube installed in place of the OEM plastic one.
> I'm
> surprised it hasn't leaked from vibration fatigue, but he has put
> several
> thousand miles on it that way.  And his clutch is just as stiff as
> Tom's
> which has a SS braided line.  How different can the Renault 30 clutch
> be?
>
> I suppose it is a stupid idea to try to modify the tranny's pressure
> plate
> to require less force.  But then I suppose that would cause the clutch
> to
> slip too much?
>
> I got the crazy idea of rigging up a small gas strut to the clutch
> linkage
> to make the clutch lighter.  But that would require disassembling the
> strut
> & drilling out the orifice in the piston to make it relax fast
> enough.  I
> already got a spare pedal box that came out of the Rick's twin engine
> fiasco, err, I mean project.  (Just kidding Rick :-)   I originally
> got it
> to put in my automatic DeLorean because the brake pedal on it is too
> wide.
> My fat foot sometimes gets the brake while I'm trying to accelerate.
>
> > Usually a lot of the noise comes from the throw-out bearing.
>
> I know what you mean, but the squeak I'm talking about is in the
> clutch
> linkage.
>
> > "Teflon Impregnation for less Friction and Pedal Effort"
> >http://www.pjgrady.com/lgspec.asp?id=21
>
> The teflon probably helps.  The next time I get near Rob's green
> DeLorean,
> I'm going have him show me a comparison between his car and any other
> clutch
> around to see what the difference is.
>
> Walt


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