S1 steel wheels seem like hens teeth I am reliably informed hence the question. Will keep looking.

Many thanks

I gather i would need to machine out centres of S2 /3 steel wheels to fit a S1 ( I am thinking of going to 4.5inch width rims to assist steering ) Any idea of how much the diameter has to increase by? Wondering if could refit the centre caps in some way if this is done.

At last thanks to Huib it is clear how I can set timing on my S! with no timing marks (and I have looked high and low) 2&1/2 teeth it is and red paint (One thought - is there any variation depending on number of teeth on ring gear though as think there were 2 types?) Old Sparky - new owner with ...