----- Original Message -----
From: Joe Curry <Spitlist@gte.net>
>
> The "Stage II head" for the 1147 engine is unique because it has the 4
> intake ports rather than the siamese ones normally found on the Mk1 and
> Mk2 engines. I don't have the foggiest idea what a "Stage 4" head is.
> Maybe it is a typo.
>From what I've read elsewhere (NOT based on my own experience), what each
>stage of tune means varies depending on which company did the modifications.
>There is no hard and fast definition of what is done at each stage, at least
>that's historically been the case in the UK - an aftermarket Stage 2 will not
>necessarily correspond to the factory definition of that stage of tune. I've
>seen various tuning houses offering upto Stage 4, but you would have to
>contact the company concerned to find out exactly what their Stage 4
>modifications consisted of.
Incidentally, does anyone have a factory tuned Stage 2 Spitfire which has the
"S2" badge still in place (presumably on the bootlid)? I've seen NOS examples
of the badges, but I've yet to find one on a car.....
Cheers,
Bill.
--
Rarebits4classics
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