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RE: Roller throw out bearing

To: "Tab Julius" <tab@penworks.com>, "MG List" <mgs@autox.team.net>
Subject: RE: Roller throw out bearing
From: "Larry Hoy" <larryhoy@prodigy.net>
Date: Tue, 19 Oct 1999 16:25:38 -0600
Tab, seems to me that somewhere along the line I heard that
you should expect about 200 rpm drop with the clutch in.

Larry Hoy

> -----Original Message-----
> From: owner-mgs@autox.team.net
> [mailto:owner-mgs@autox.team.net]On
> Behalf Of Tab Julius
> Sent: Tuesday, October 19, 1999 11:50 AM
> To: Max Heim; MG List
> Subject: Re: Roller throw out bearing
>
>
>
> If it's only idle speed, that's not a problem.
> Most people seem never to
> have heard of it, so methinks it's something my
> seller had explained
> (improperly) to him, and it just passed itself
> on.  I don't live anywhere
> near California or the west coast, and I know
> they're stringent in
> requirements, so it was hard to judge if it
> really was a feature or not.
> From talking to Kelvin and all it's starting to
> sound just like an
> underadjusted idle, which is fine.
>
> Thanks all
>
> - Tab
>
> At 10:41 AM 10/19/99 -0700, Max Heim wrote:
> >There seems to be a lack of recognition of this
> "feature". Is it
> >documented in the service manual? Most of the
> replies seem to think it is
> >merely an issue of friction. I don't know either
> way, having no
> >experience with RB cars. But have you tried
> increasing the idle speed to
> >compensate? That seems pretty straightforward.
> >
> >Tab Julius had this to say:
> >
> >>
> >>Let me restate the question, as I think it's
> getting lost.
> >>
> >>I definitely don't ride the clutch.  HOWEVER,
> the car has (ostensibly for
> >>emissions reasons) a "feature" to reduce idle
> speed while the clutch is
> >>depressed.  If you plan to take the car
> anywhere, the clutch has to go in
> >>sometime :)
> >>
> >>As I live in both a hilly area, where sometimes
> we must have the clutch in,
> >>and because of the weather, I'd rather not have
> a reduced idle that could
> >>cause it to stall even during valid uses of the clutch.
> >>
> >>So, I'm asking if it's appropriate to bypass it
> - that is, will it hurt
> >>anything (don't think so), and also HOW to
> bypass it.  I don't ride the
> >>clutch, but I also don't like to have the idle
> drop during the times I need
> >>to use the clutch.
> >>
> >>Thanks
> >>
> >>- Tab
> >>
> >>
> >>At 09:01 AM 10/19/99 -0500, Peter C. wrote:
> >>>Folks,
> >>>   A few quick thoughts. Roller bearing or
> carbon.... don't "ride" the
> >>>clutch. The only time that a clutch can become
> worn is when your foot is on
> >>>the pedal. If you don't touch the pedal, the
> clutch wont wear. Also, the
> >>>forward thrust you are placing on the
> crankshaft will cause the premature
> >>>wearing of the thrust washers on your main
> bearings.... not insignificant.
> >>>Don't mean to sound "preachy" But some people
> go through a clutch every 50k
> >>>and some will last 300k.... the difference is
> not the car or the clutch...
> >>>honest.
> >>>   At lights, car in neutral, foot off the pedal.
> >>>   Peter C
> >>>----
> >>>At 08:52 AM 10/19/1999 , Larry Hoy wrote:
> >>>>James, et al,
> >>>>
> >>>>I was going to suggest a roller throw out
> bearing might
> >>>>alleviate Tab's problem, but I have never
> used one, and over
> >>>>the years I have heard good and bad things
> about them.  I
> >>>>would be interested in the input from this
> list on them, so
> >>>>what do you think?  The biggest issue would
> be, are they
> >>>>durable?  No sense replacing a carbon bearing
> with one that
> >>>>doesn't last as long.
> >>>>
> >>>>Larry Hoy
> >>>>
> >>>>> -----Original Message-----
> >>>>> From: owner-mgs@autox.team.net
> >>>>> [mailto:owner-mgs@autox.team.net]On
> >>>>> Behalf Of James Nazarian Jr
> >>>>> Sent: Tuesday, October 19, 1999 2:43 AM
> >>>>> To: Larry Hoy
> >>>>> Cc: Tab Julius; mgs@autox.team.net
> >>>>> Subject: RE: Bypass clutched idle reducer?
> >>>>>
> >>>>>
> >>>>> You might try the roller throw out bearing.  I am
> >>>>> personally very happy
> >>>>> with it and I know many others are too.  I think
> >>>>> that it also aleviates
> >>>>> many of the problems with riding the cluch and
> >>>>> related issues.  I notice
> >>>>> many drivers stop at a light and sit there in
> >>>>> gear clutch depressed until
> >>>>> light turns.  I'm not saying this is your problem
> >>>>> but you can't even think
> >>>>> about doing this with the carbon bearings.  As
> >>>>> far as I can tell the
> >>>>> roller bearing fixes that, and it lasts quite a
> >>>>> bit longer.
> >>>>>
> >>>>> James Nazarian
> >>>>> '71 B roadster
> >>>>> '74 BGT with no sills
> >>>>> '63 Buick 215 eyeing another rolling chassis
> >>>
> >>>
> >>>
> >>
> >
> >
> >--
> >
> >===============================
> >Max Heim
> >mvheim@studiolimage.com
> >Studio L'Image/San Francisco
> >415 643 9309 : 415 643 9307 fax
> >Studio L'Image/New York
> >212 242 3366 : 212 242 3399 fax
> >
> >
> >


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