I agree with Barney here. Sounds like you have the later model OD
tranny that doesn't have a dipstick and doesn't fill from the top. It
wants the 1000 turns per mile (TPM) speedo. You have a 1280 TPM in the car.
Cheers,
CR
Barney Gaylord wrote:
>
>
> Sounds like your gearbox is putting out 1000 turns per mile while the
> odometer is looking for 1280. Installing the 5230/13 1000 speedometer
> should get you very close to correct mileage readings.
>
> Barney Gaylord
> 1958 MGA with an attitude (and an accurate 1325 TPM, ha ha)
> http://MGAgurul.com
>
> *
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