----------
> From: Larry Quirk <Larry.E.Quirk@gov.ab.ca>
> To: Brad Kahler <Brad.Kahler@141.com>; RVincenti@lbfc.com
> Cc: triumphs@autox.team.net
> Subject: Re: carb. adjustments
> Date: Thursday, February 19, 1998 8:07 PM
>
> The Unisync is designed to have the central ball shapped disc adjusted by
> rotating it. This will allow the float in the tube to be adjusted to a
> midway position while the engine is at idle. You may be missing this
step
> in the calibration process prior to adjusting the carb balance.
> Larry(Spitman)
>
> ----------
> > From: Brad Kahler <Brad.Kahler@141.com>
> > To: RVincenti@lbfc.com
> > Cc: triumphs@autox.team.net
> > Subject: Re: carb. adjustments
> > Date: Thursday, February 19, 1998 10:31 AM
> >
> > Hi Lew,
> >
> > I 2nd Ross's thoughts on using the Unisync. I have one and at idle
> > the little doohickie hardly moves off the bottom. Can't tell a thing
> > unless you have higher rpms. Then trying to hold the exact same rpm
> > while switching back and forth between carbs is a pain. I prefer the
> > sound that you hear plus looking at the carb pistons and seeing if
> > they are generally about the same height. If you want to borrow a
> > unisync I'll loan you mine.
> >
> > > Can someone please tell me where i can get the colour (color?)
> > > tune spark plug for tuning carbs. Also, where can i get one of
> > > the airflow doohickies that measures the airflow into the carb.
> > > thanks once again,
> > > Lew 63 (getting exhaust today!) and 67 spits
> > >
> > > =================
> > > Lew - I don't want to sound like a throwback to ancient times,
> > > but have you tried to balance them by using your ears and
> > > listening? I have tried the Unisync on my 64 Spitfire's twin
> > > SUs and was not satisfied with the results.
> > >
> > > Someone on the list a long time ago discussed the technique to
> > > balance twin SUs with a length of rubber tubing (and the SU
> > > Rebuild book I bought from Classic Autobooks describes it too).
> > > I ended up following the list member's recommendations and was
> > > very surprised at how well it works. You need a pretty
> > > sensitive ear, and a lot of patience, but they were right on
> > > the money when I finished.
> > >
> > > May I be so bold as to make a suggestion? Before you spend the
> > > money on a Unisync or other flow measuring/balancing device,
> > > try the old rubber tubing method first. Once you have the
> > > carbs as close as you think you can get them, borrower
> > > someone's Unisync, stick it against the carbs and see how far
> > > off you were. I would be willing to bet that you can get them
> > > awfully damn close if not perfect without the balancing
> > > devices. My $.02 worth.
> > >
> > > Ross D. Vincenti
> > > 64 Spitfire 4
> > > 64 Porsche 356C Coupe
> >
> > Brad
> >
> > 1964 Spitfire4 BFC25720L (After 10 years will be on the road
> in March!!!)
> > 1966 TR4A CT72398L (Needs Restoration)
> > 1951 Dodge Truck 82217766 B-3-B-108 (Boxes & Boxes of parts right
now)
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