has anyone here ever used the propane method of testing mixture? I was
taught it by one of the mechanics I used to work with. Does anyone have an
opinion on it?
James Nazarian
71 B tourer
71 BGT V8
85 Dodge Ram
----- Original Message -----
From: Telewest (PH) <paul.hunt1@blueyonder.co.uk>
To: Marc <smarc@abs.net>; <mgs@autox.team.net>
Sent: 24 January, 2003 4:38 AM
Subject: Re: SU rebuild ok, need a little advice
> Sounds weak, and putting lighter oil in the dashpot could well make it
> worse. Workshop Manual says 40 thou from the chamber face to the lowest
> part of the curve on the float. Mixture setting can be tricky, turning
each
> for maximum idle, then readjusting the other etc is an approximate way.
> Lifting pin is another but can be even more tricky to judge, raising by
> 1/16" should cause the revs to momentarily rise then settle back. If they
> stay up it is too rich, if they die without rising too weak. Better when
> warm? Choke functioning? Checked fuel delivery at the carbs? Should be
at
> least 1 pint per minute. On the principle that 90% of carb problems are
> caused by the ignition did you fully set this up to? Is the tach dropping
> with the stumble? Have you put a timing light on each plug lead and
checked
> it is is still flashing during the stumble?
>
> ----- Original Message -----
> From: "Marc" <smarc@abs.net>
> To: <mgs@autox.team.net>
> Sent: Friday, January 24, 2003 2:38 AM
> Subject: SU rebuild ok, need a little advice
>
>
> > Car starts, runs, and will move under it's own power, but when I let out
> the
> > clutch and apply the gas, the engine loses power and stumbles. Pumping
the
> > pedal a bit will allow the engine to recover, and then it pulls well.
So,
> it
> > seems to dislike the initial opening of the throttle.
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