Scott,
My Haynes SU Carb manual shows the AUD 157C bowl tags
match HD8 carbs fitted to the MK X Jaguar in 1964 or
the Jaguar 420 in 1967-8.
The AUD 157F tag is listed as an HD8Th fitted to the
same cars.
Hope this helps,
Rick
--- "scott@scottjgraham.com" <scott@scottjgraham.com>
wrote:
> Hi listers - need some help on my Healey BJ7
> carbies.
>
> The car was converted to a triple SU set-up (I was
> told by the shop they are 2" and have assumed they
> are the HD8's used for Healey BJ8's).
>
> The carbies have been overhauled by a reputable
> local shop but they were unable to adjust them to
> idle correctly. The carbies only have one adjusting
> screw & the shop has adjusted them to the max but
> the highest idle speed possible was 300RPM at which
> they constantly stall.
>
> I have used my pedal stop to bring the idle up - but
> this is far from ideal.
>
> When looking at the carbies, they do not match the
> illustrations in my SU manual for either HS or HD
> type carbies. Neither can I find the carbie serial
> numbers there or on the internet. The carbies lack
> (by design):
> - Fast idle adjusting screw
> - Throttle adjusting screw
> - Jet adjusting scew
> Instead, they only have a screw in the location
> marked in the book as a "Slow running" volume screw.
> I was told by someone else that these may have been
> later emissions compliant SU's.
>
> Can you please help me identify these carbies. The
> numbers on the units are:
>
> - Front: carby body - 709c; bowl tag - AUD 157c;
> junction with manifold - C 13 6.
> - Middle: carby body - 709c; bowl tag - AUD 157f;
> junction with manifold - C 13
> - Rear: carby body - 2044 (IGN); bowl tag - AUD
> 157c; junction with manifold - C 9 6.
>
> Thanks
>
> Scott J Graham
> 62 BJ7
> 60 Bugeye
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