The BN1 and BN2 uses Speedometer SN 6305/00. It is marked 1325 for the
ratio.
The BN4 to C68960 uses SN 6105/07 for overdrive and SN6105/06 for
non-overdrive. After C68960 the BN4 and BN6 use SN6105/08 for overdrive and
continue with SN6105/06 for non-overdrive. The SN6105/08 is marked 1325, I
do not have the others to check for the ratio
Laurie Wilford
AHCSO
>From: Earl Kagna <kags@shaw.ca>
>Reply-To: Earl Kagna <kags@shaw.ca>
>To: Healey List <healeys@autox.team.net>
>Subject: Speedo ID Info
>Date: Wed, 22 Jun 2005 14:51:41 -0700
>
>Listers:
>
>Is anyone able to supply me with the speedometer ID numbers for the 100 and
>100-6 cars - I have a listing for the BT7 - BJ7, and the BJ8 cars taken
>from
>the BJ8 parts manual.
>
>These would be the small numbers screened on the face of the instument - as
>in SN 6155/21 980 for the MPH overdrive unit fitted to the BT7 - BJ7.
>
>I have a few speedos in my spare parts box that I cannot identify.
>
>Thanks in advance,
>
>Earl Kagna
>Victoria, B.C.
>BT7 tri-carb
>BJ8
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