The brass scres adjusts the richness of the fuel mixture throughout the RPM
range. Seat the brass screws then open them two and a quarter turns. Make
adjustments from that point. Adjust for a smooth idle with the engine at
operating temperature.
Bill
----- Original Message -----
From: "ESPEN HOLM" <e_holm@c2i.net>
To: <alpines@autox.team.net>
Sent: Sunday, June 23, 2002 6:42 AM
Subject: Carburettor tuning
> As I just wrote, I have been disassembling the Stromberg carburettors.
Now I
> would like to re-tune them, but are there really many options? There is a
> brass adjustment screw under the floating chamber, fitted into another
larger
> brass plug. What's it for, and how do I adjust the brass screw? It is made
to
> be manually adjusted as it has finger grips on it. So far I just adjusted
it
> by listening to the engine best performance...
>
> Any other adjustments except for the idle speed?
>
> And how to tune the vacuum regulator?
>
> Espen.
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