It's why one has to run the engine at 2500rpm for 30 secs every 3 minutes
during tuning - to 'clear its throat'. The HIFs have a bypass port to stop
fuel pooling between jet and butterfly.
PaulH.
----- Original Message -----
From: Charles Sorkin <cdsorkin@ix.netcom.com>
To: Spridgets List <spridgets@autox.team.net>
Cc: MGs List <mgs@autox.team.net>
Sent: Sunday, September 03, 2000 6:53 PM
Subject: Loading up... How to prevent it?
> Dear List:
>
> I think I've discovered why my RPMs decline after about 30-60 seconds at
> idle. I noticed that my exhaust fumes go from being invisible to slighly
> dark, and the running get rougher. I'm assuming that this is the
phenomenon
> called "loading up," but I can't find any references in the manuals about
> why its happening.
>
> Any ideas? My throttle retun springs are new. My chokes don't stick.
> Poppet valves are clean and functioning. The only flaw that I know of on
my
> carburettors are that I lose dashpot oil fairly quickly. (I always keep
> them topped up, though.) On the valve cover, I have a vented oil cap, and
> there is no breather connected to the carbon cannister. Everything else
is
> stock, to my knowledge.
>
> How do I prevent this from occuring?
>
> Regards,
>
> Charles
> '74 Midget
> '68 Sprite
> Bloomfield, NJ
> cdsorkin@ix.netcom.com
> "How about we duck inside for a Hen?"
>
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