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Re: [TR] Overdrive and Sppedometer

To: Jeff Scarbrough <fishplate@gmail.com>
Subject: Re: [TR] Overdrive and Sppedometer
From: Geo Hahn <ahwahneetr@gmail.com>
Date: Mon, 24 Aug 2020 06:54:04 -0700
Cc: "Triumphs \(triumphs@autox.team.net\)" <triumphs@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
References: <CAO8Q7CPNhZ1reg3jvc=waX1T6tTUkd2tvMwZFHQ4-dngTJNLtg@mail.gmail.com>
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Jeff - I think the important thing is whether your odometer is (more or
less) correct.

If the odo reads right then you may only need a simple adjustment to needle
position... something you can probably do sitting at the dining room table.


On Mon, Aug 24, 2020, 6:14 AM Jeff Scarbrough <fishplate@gmail.com> wrote:

> I have a 1975 TR6.   With the original gearbox, the speedometer was
> correct.  I took it out to add overdrive and put in a gearbox from a 1974
> while I worked on it.  That gearbox made the speedo read about 12% higher.
>
> Got the overdrive on the box and in the car.  My speedo still reads high.
> I'd like to find a simple solution...
>
> Do I try to find the right drive gear for the gearbox output, or do I get
> a different speedometer?
>
>
> Jeff Scarbrough
> Corrosion Acres, Ga.
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<div dir=3D"auto"><div>Jeff - I think the important thing is whether your o=
dometer is (more or less) correct.<div dir=3D"auto"><br></div><div dir=3D"a=
uto">If the odo reads right then you may only need a simple adjustment to n=
eedle position... something you can probably do sitting at the dining room =
table.</div><br><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gm=
ail_attr">On Mon, Aug 24, 2020, 6:14 AM Jeff Scarbrough &lt;<a href=3D"mail=
to:fishplate@gmail.com">fishplate@gmail.com</a>&gt; wrote:<br></div><blockq=
uote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc =
solid;padding-left:1ex"><div dir=3D"ltr">I have a 1975 TR6.=C2=A0 =C2=A0Wit=
h the original gearbox, the speedometer was correct.=C2=A0 I took it out to=
 add overdrive and put in a gearbox from a 1974 while I worked on it.=C2=A0=
 That gearbox made the speedo read about 12% higher.<div><br></div><div>Got=
 the overdrive on the box and in the car.=C2=A0 My speedo still reads high.=
=C2=A0 I&#39;d like to find a simple solution...</div><div><br></div><div>D=
o I try to find the right drive gear for the gearbox output, or do I get a =
different speedometer?</div><div><br></div><div><br>Jeff Scarbrough</div><d=
iv>Corrosion Acres, Ga.</div></div>
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</blockquote></div></div></div>

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