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RE: OD speedometer

To: <Mgbbob@aol.com>, <mgs@autox.team.net>
Subject: RE: OD speedometer
From: "Larry Hoy" <larryhoy@prodigy.net>
Date: Sun, 12 Nov 2000 17:56:54 -0700
>Can anyone comment on the need for an overdrive speedometer for the D type
>conversion I'm about to make? If I left the old non overdrive speedometer in,
>would speed be grossly off?

18% error.

>While they're not available though Moss, is it imperative that I search one
>out?

Your 66 will have a small number near the bottom of the gauge.  This number is 
the Turns Per Mile
(TPM).

Check http://www.mgb.bc.ca/reference/speedometers.html

Larry Hoy

>
>Does anyone have the appropriate Smiths numbers for my 66 MGB? Does anyone
>have a spare speedometer they want to sell?
>TIA, listers
>Bob Stahlbush
>66 MGB GHN3L 78708
>60 TR3A TS 81398L

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