Graham Stretch wrote:
>
> Hi Folks
> Hope you are all enjoying / enjoyed Thanksgiving.
> A question for those in the know. I met an old friend of mine today, he
> works for an engine improver which is just going into the cad cam field and
> he asked me if there were any projects I could think of which involve
> castings as this is the precise area that he specialises in and the new
> equipment will need a shake down project! He mentioned the Le Mans Spitfire
> head, am I correct in thinking this was for the 1147cc engine, and cross
> flow to boot? If so does anyone know how much other unique content there was
> involved with fitting this head?
> Next question,
> Are there any castings needed for any of the cars that are stopping
> restorations, as in if this bit is broken you either have to have one or
> know where to get one or you can forget restoring that one?
> It just seems to me that as my friend wants to make a contribution to the
> classic scene (which he enjoys with a Herald and Spitfire and in the past
> Dolomites as well,) it would be best to start with something which is really
> needed not just a fancy tuning mod!
> Any feedback will be duly forwarded to my friend for his consideration.
>
> Graham.
Graham,
The LeMans Spitfire head was indeed for the 1147 cc engine. But it was
NOT cross flow. Its unique property was that it is an 8 port head
rather than the 6 port (with siamesed intake ports) that were typical of
the production 1147's.
I think that they were made in both cast iron and aluminum.
Regards,
Joe
P.S. If your friend really wants to design something, the cross flow
idea is a good one. I would go with a cross flow head for the later
Spitfire engines (1300 and 1500) because they are much more plentiful.
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