Today I turned up Ray Williams’ own record of the engines he built personally on the sports engine line at Filton 1953 onwards. Incidentally he was told “ if Tony Crook comes in and you speak to him you are fired”. Presumably TADC was seen as a rival on the hunt for hot tuning tips…
Stefan Cembrowicz
Bristol Owners Heritage Trust 
Fascinating! I have 100A engine number 3124 in my 403.
Mike Brooks
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