[ROVERNET - UK] Rover P6 speedo.

[Vern Klukas]

Two further things to check.

The speedo may have stiff grease or something like that (unlikely).

Does the speed surge up when you let off the gas, then drop down 
under acceleration again? If so, then the Nut or bolt holding the 
frive flange on the back of the gearbox is loose or, in the case of 
the nut, the thread on the end of the gearbox mainshaft has broken 
off. Only early gearboxes have the nut, anything before 1968 in North 
America.

Yours
Vern



>Larry,
>The speedo heads (ribbon) are interchangeable (I found
>in practise) as are the right-angled drives.
>
>Have you changed the final drive for a different ratio
>(ie  one from a 3500 S)?  Have you changed the type of
>gearbox?
>
>On my speedo (4th gear) 6(0) mph on the speedo, reads
>30(00) on the Tach.    And.... 7(0) mph reads as
>35(00) on the Tach.
>
>Eric
>
>
>--- Larry <lewill at ctcweb.net> wrote:
>
>>  Thanks James, I've installed the new speedo. It
>>  works great except that it
>>  reads about 20mph low at 60mph. The gear is from
>>  one unit and that speedo
>>  is from another spare. Could this cause some
>>  problems? They were in cars
>>  that I've had for over 20 years. Thanks, Larry
>>  ----- Original Message -----
>>  From: "James Radcliffe" <j_radcliffe at hotmail.com>
>>  To: <rovernet at lyris.ccdata.com>
>>  Sent: Wednesday, April 18, 2007 10:55 PM
>>  Subject: [ROVERNET - UK] Rover P6 speedo.
>>
>>
>>  >
>>  >
>>  >
>>  >
>>  >> >
>>  >>One more bit of advice, I broke a few speedo
>>  cables quite a few times back
>>  >>in 2000, so I concluded that there must be
>>  something dragging in the
>>  >>instrument cluster somewhere. I took it out and
>>  took it to Adelaide speedo
>>  >>and gauge service, and all that was wrong was that
>>  there was a bit of
>>  >>cable
>>  >>stub stuck in the right angle drive in the back of
>>  the unit. You could put
>>  >>a
>>  >>new cable in, but not very far, hence it would
>>  work briefly, and then
>>  >>break.
>>  >>
>>  >>James.
>>  >>
>>  >>
>>  > I just tried to take a Smiths right angle drive to
>>  Adelaide speedo and
>>  > gauge service to have it fixed, and have found
>>  that they have closed down.
>>  > It was a spare which had sat in my boot for many
>>  years, in the hope that
>>  > one day I would have time to take it there! Oh
>>  Bugger! Where to go now for
>>  > Rover cables, right angle drive, and speedo
>>  repair?
>>  >
>>  > James.
>>  >
>>  >
>>
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-- 
Vern Klukas                             I'm a little . . .
Inkspot Type & Design
vern at inkspotco.com