Gary -
The standard 140 Speedo for the 100 is calibrated for
use with the 3.66:1 diff ratio which was an option on
the rear end on the BN1.
If you have lempert's 3.54:1 rear end in your BN2,
that should be close enough, esp. if you are running
165s on your car with 4.5" width rims. No adjustment
would be necessary with an original 140 speedo for the
100.
If you are running the standard 4.1:1 diff ratio, it
is best to have a speedo shop make the calculations
once the car is finished.
Regards,
Alan
'53 BN1 '64 BJ8
--- GSFuqua1@aol.com wrote:
> I am having my speedo rebuilt and calibrated. 56
> BN2 with the standard 120
> mph. I would like to go to the 140 mph as I have
> made many other mods. Can
> anyone give me the calibration numbers for the 140
> mph speedo? I am running the
> Gillette Wide Track 165R 15 86T on a 60 spoke Dunlop
> wire. I can figure it
> if I can get the number of revolutions of the cable
> for 6 complete turns of the
> wheel and the distance from the ground to the center
> of the wheel. I just
> don't have my tranny in at this moment.
>
> Many thanks,
>
> Gary Fuqua
> Branson, MO
>
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