Thanks Joe, I presume you have a header? I am using the exhaust manifold
from the same '69 parts motor that the carb is coming off of.
I thought I read (perhaps from John Kipping) that the stock HS2 carb needles
would be matched to that exhaust manifold. I will worry about swapping
needles, if need be, once I have driven a few miles with the carbs. For
now, the ZS is back on and running too rich - as usual.
Len
----- Original Message -----
From: "Joe Curry" <spitlist@gte.net>
To: "T. .R. Dafforn" <td214@cam.ac.uk>
Cc: "Graziano, Michael" <michael.graziano@csfb.com>; "'Len & Bonnie
Lubbers'" <lubbers@sympatico.ca>; <spitfire-enthusiast@yahoogroups.com>;
"spitfires list" <spitfires@autox.team.net>
Sent: Friday, September 28, 2001 8:11 AM
Subject: [spitfire-enthusiast] Re: HS2 carb conversion questions
>
>
> "T. .R. Dafforn" wrote:
> >
> > I agree wtih Mike, the HS2s are likely to limit the top end for the
engine!
> > Cheers
> > Tim
>
> They MIGHT if the engine is otherwise built up. However, I have HS2's on
Huxley's 1500 engine which has flat top pistons and a little richer cam
> grind. I have not noticed any limitations on its top end. I will
however discourage experimentation with different needles than what was
stock for
> the Mk3 in order to squeeze additional performance out of the carbs. I
did and found that all my efforts just reduced the performance.
>
> Joe
>
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