SER1 Re: your mail

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Hi Martin,

With winter approaching and no time to investigate I took the TT to my
Rover mechanic and, of the four problems I wanted him to look at, the oil
leak at the engine rear and the seized low range lever had fixed
themselves.  Re the low range (which I had been afraid to touch since it
took 45 minutes to clear in August) I can only assume that clearing it
then freed the bind.  That or I'm getting old and I'm just dreaming it
all.

George E Sollish	Chief Engineer		Auto Gear Equipment
			Project Manager		The Payne Lake Project

On Wed, 10 Nov 2004, m.rothman@xxxxxxxxxxxx.xx wrote:

> Date: Wed, 10 Nov 2004 11:04:18 -0500 (EST)
> From: "m.rothman@xxxxxxxxxxxx.xx" <m.rothman@xxxxxxxxxxxx.xx>
> Reply-To: series1@xxxxxxxxx.xxx
> To: series1@xxxxxxxxx.xxx
>
> To add to the below comments, if your measurements are
> correct, then the ratios are about right for 75km@4k
> rpm for 4th gear in 4-low.  I 2nd the thought that the
> cause may be your transfer box stuck in 4-low.
>
> Look at the front of the transfer box while someone is
> shifting from 2high to 4high to 4low to 2high.  You
> should be able to see the rods moving back and forth
> as the gears engage/disengage.
>
> George Sollish had/has a similar problem of it not
> shifting out of 4low once shifted into it.  George,
> what did you do to fix it?
>
> Martin
>
>
>  --- Diana Alan <dianaa@xxxxxxxx.xxx.xx> wrote:
> > Hennie
> >
> > The only ratio changes in the gearbox relate to the
> > lower gears and occur about the time of the
> > introduction of the 2 litre motor in the 80".  The
> > top gear is 1:1 direct drive to the transfer box.  I
> > believe the Transfer boxes are the all same at
> > 1.148:1 giving a final drive at 5.396:1.  see:
> > http://users.mrbean.net.au/~rover/gearbox,.htm
> >
> > Revs and speed are in a direct relationship.  Even
> > if someone fitted 4.88:1 1949 80" diffs, it would
> > only make a final drive  5.603:1 which shouldn't
> > make as much difference as your reporting.
> >
> > The most likely problems are:
> >   a.. Your clutch is slipping? (do you smell burning
> > while driving or when you release the clutch, the
> > engine revs up, then slows down as the car moves
> > off, a bit like a boat.)
> >   b.. Your transfer box is stuck in low ratio?
> > (I assume you don't have something weird fitted,
> > like a rubber band installed between the crankshaft
> > and diff or a torque converter instead of a clutch.)
> >
> > My other questions are: (and there not meant to be
> > offensive)
> >   a.. How are you measuring the Revs?
> >   1.. If your using an impulse tachometer is it
> > calibrated to a 4 cylinder and not something silly
> > like 2 or 3 cylinders.
> >   2.. If you are using one with an alternator pick
> > up, is it calibrated to the pulley sizes on the
> > engine.
> >   3.. If you are using one with a magnetic or
> > optical pick-up is it working correctly
> >   a.. How are you measuring the speed?
> >   1.. Have you checked it by measured distance over
> > measured time?
> >   2.. There isn't some sort of reduction device in
> > the speedo drive that's malfunctioning?
> >   3.. Try using a GPS device to check your speedo.
> > Sorry I can't be of more help.
> >
> > Diana
> >
> >
> > ----- Original Message -----
> > From: "Hennie Potgieter" <hpotgieter@xxx.xx.xx>
> > To: <series1@xxxxxxxxx.xxx>
> > Sent: Wednesday, November 10, 2004 10:20 PM
> > Subject: RE: SER1 Differential woes.....
> >
> >
> > Hi all,
> >
> > Thanks for all the really usefull replies to my
> > original question.  But
> > all of this does not solve my underlying problem.
> > My problem is that my
> > 107" SW (with 2.25 petrol engine) only reach a speed
> > of 75km/h at 4000
> > rpm on open tarmac.
> >
> > Someone mentioned to me that not all S1's had the
> > same gearbox ratios
> > and that might explain the lack of speed for my van.
> >  Can anyone perhaps
> > shed some light.......?
> >
> > Hennie
> >
> >
>
>
>
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>
>
>
>

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