Vault of knowlede. Highest respect.
G
2010/12/2 John Harper <ah@jharper.demon.co.uk>
>
> Alan
>
> What one has to bear in mind here was that for the introduction of the A90
> Westminster almost all the original Austin designed parts were modified.
> Mostly they were beefed up. One has to remember that most parts were first
> introduced on the A40 and then used on the much heavier and more powerful
> A70 and A90 Atlantic. As items such as the suspension was destined for
> larger cars and medium size commercial vehicles there was a real need for
> strengthening.
>
> So we have the BN1 with the Austin A40 etc. suspension and the BN2 on, with
> the BMC Westminster stronger items. This was the time that for example the
> bottom links were cranked up and UNF threads introduced. There was however
> the strange period when later BN1s had the Austin front suspension and the
> BMC rear axle.
>
> The FX4 Taxi used the BMC units and just as an example the bottom front
> spring pan will fit the early BN1's but is made of thicker material. One
> example of strengthening. Another example was the rear hubs. Using these on
> early BN1s was pushing the strength almost to the limit. The replacement on
> the BN2 and onwards was much heavier and if my memory serves me correctly
> was last used on a large delivery van after A-H production has ceased.
>
> Having said all this it is important not to get the two timeframes muddled
> up. Many parts look very similar until one gets them close together or tries
> to fit them.
>
> Regards
>
>
> Almost all of the Austin vehicles shared most, and in some cases, all of
>> the components of the Austin suspension. Kingpins, A-arms, hubs, etc. In
>> the day a common upgrade for the 100 was to bolt on the larger drum brakes
>> from an A90 Atlantic Saloon.
>>
>> Suspension of the 100 & 3000 is virtually identical to the suspensions
>> they
>> put in the A90 Atlantic, the A40, the A70, etc., etc., I would suspect the
>> A110 used the same suspension too.
>>
>
> --
> John Harper
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