Getting back to the air filter, I have been unable to find an original Bendix Type K air filter. I am currently using a K&N chrome air filter with 28mm insert. I chose it because it was fairly close to the shape of the original, so I will use it for the time being. The only modification required is a short piece of aluminium pipe (I used the pipe off an old vacuum cleaner). This bridges the gap between the rubber insert on the filter and the original snorkel pipe on the SC and is fully concealed. These filters are a clearance item from K&N, but work perfectly. The screw on top is a bad fit and looked odd, so I've changed it for one that fits flush and looks more like the period. I'm also wondering if I should drill a series of holes around the base of the cover, as there isn't much space for air intake through the bottom.

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