I've used this method for almost forty years. Never felt the need for the
new-fangled gauges and such. And I set the mixture by the "lifting the carb
piston" method.
Mike
----- Original Message -----
From: "John Macartney" <standardtriumph@btinternet.com>
To: <triumphs@autox.team.net>
Sent: Sunday, November 23, 2008 3:48 PM
Subject: Re: [TR] synching carbs
> really can 'smell' it! Having then initially set the slow idle, you can
> use a short piece of garden hose pipe to one ear to compare the level and
> pitch of intake hiss. One of my 'tools' (and I copied it from many
> colleagues) was to use an old twin tube stethoscope. That way, on a twin
> SU set up, you can hear the hiss in 'stereo' and do the fine tuning that
> way. I later graduated to a single tube steth that in itself was extremely
> useful for diagnosing other internal rumbles and rattles before they
> became serious.
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