This makes sense, but what can you adjust at 2,000 - 2,500 rpm that
doesn't impact idle? On the Z, there's a separate screw on the
throttle of the back carb that has no effect on idle. What is the
equivelant on a Roadster?
--- Jack Davis <jrd.boulder@worldnet.att.net> wrote:
> John,
>
> It was my understanding that the high speed adjust screw was used to
> balance
> the carbs at higher revs. First you balance the carbs at idle. Then
> using
> the throttle to maintain the revs at about 2,000 - 2,500 rpm you
> balance the
> carbs again using the high speed adjust screw.
>
> -
> Jack Davis
> '69 2000
> SRL311-11273
>
>
> ----- Original Message -----
> From: "John F Sandhoff" <sandhoff@csus.edu>
> To: "The Belgian Roadster" <chriss@euregio.net>
> Cc: <datsun-roadsters@autox.team.net>
> Sent: Tuesday, October 16, 2001 4:27 PM
> Subject: Re: Throttle adjust screw
>
>
> > It was asked:
> > > Is there anybody out there, who can take a close picture of the
> > > throttle adjustment screw close to the throttle cable drum.
> > > It's the screw that is used to adjust the throttle of both carbs
> > > together.
> >
> > Keith Williams used my car as a tune-up demo at the Shasta meet.
> > He feels that this screw is used during carb balancing ONLY (to
> > temporarily achieve a high RPM) and in normal operation should
> > not be touching the manifold. The idle speed should be adjusted at
> > each carb independently.
> >
> > His philosophy makes a LOT of sense to me. (Keith, I sure hope I
> > got that correct!)
> >
> > -- John
> > John F Sandhoff sandhoff@csus.edu Sacramento, CA
>
> ///
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=====
Adam
'70 1600 SPL311-28181
http://www.picturetrail.com/abend
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