[Healeys] Carb - Adjustments

[Alan Seigrist]

Greg -

That's too deep for sure.  You are probably running rich.

When you are lifting the piston to set mixture, how far are your
lifting?  I notice many people lift the pistons far too high (e.g.
1/8") , giving incorrect readings.  I like to lift the piston by hand
using a small flat head screwdriver with a long shaft inserted
directly in the venturi chamber.  I only lift the piston 1/32" to
1/16" ... adjusting from that will get your mixture much more
accurate.

Also, did you replace your throttle shaft bushes?  If air is leaking
there that will cause the carb to run lean.

Alan

On 8/13/10, Greg Mandas <gmandas at yahoo.com> wrote:
> List;
>
> After adjusting the carbs on my 65BJ8 I'm finding the jets are both, equally
> whats looks to be a good 3/8ths below the bushing. Since the adjusting
> process starts off with leveling the jets with the bushings, I'm wondering
> if this is an indication of;
>  - All is well,
>  - Wrong needles (professionally rebuilt with Moss kit last year),
>  - The carbs are set way too rich,
>  - low fuel pressure, or
>  - I just like to post stuff on the Healeys forum.
>
> Greg
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