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Post by dadhadanrmb on Sept 1, 2019 11:41:12 GMT
This was my Dad’s old 2.5. It apparently had a high compression head with sodium cooled valves and an oil cooled coil. I recently heard this could be a ‘Silverstone’ head fitted to some cars. Does anyone one know anything about this modification? Thank you Calum.  |
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Post by petticd on Sept 11, 2019 15:35:32 GMT
I put this on my RM Series Facebook page and got he following reply from Ros King "It will be the conversions done from "Donald Healey Motor Company". He made the Healey-Silverstone using the 2½ Riley engine and also 'upgraded' a few saloons. . . a posher version of the Downton Heads/Conversions for mini's...... My supposition as I have no data this end on them easily to hand"
There is a guy in the Milton Keynes area called Warren Kennedy who runs a restoration business for Healey's, MG's etc. I feel certain he would know a great deal on these modifications.
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