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Bsa B40 Gearing

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Hello there,

I have a B40 in trials trim and at the moment I am refurbishing it- hoping to do some pre 65 events next year so any info on this would be great. My main question is that I have been told by the previous owner that the gearbox is standard, but, apparently there is a mod that will make it more suitable for trials use, I was led to believe that this involved the gearbox internals and not just chain/sprockets, can anyone advise.

Cheers Andy.

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Hi there, I'm not sure if its a B40 WD, the engine is approx 1963 and has the distributor.

I think all the WD were 1967, their gearing was ok more or less as standard. You could speak to C & D Autos. canddautos@eidosnet.co.uk

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