Hi,
Allow me to jump in here. You may be pulling air in around the throttle
plate shaft. Try spraying a little starting fluid on the aforementioned
shaft. If the RPMs rise, you need to reseal the shafts.
Good luck,
Dave
69-2000
----- Original Message -----
From: "Tom Hendricksen" <tom@fransfancies.com>
To: "Vegas Mike" <datsun_sports@hotmail.com>
Cc: "Datsun Forum" <datsun-roadsters@autox.team.net>
Sent: Monday, September 23, 2002 10:15 PM
Subject: Re: question about carbs and possible new virus
> Mike,
>
> Your description is exactly what I am fighting. I did notice this evening
that
> when I put the Unisyn on the carbs IMMEDIATELY after starting the cold
engine the
> carbs seemed to draw about the same amount of air and the Unisyn did not
have a
> large effect on the idle.
>
> As the engine heated up the airflow in the front carb began to drop. In a
few
> minutes later the airflow in the front carb was WAY down. Almost none
compared to
> the rear carb. I have a new manifold gasket on the side of the head, but
I had to
> loosen the intake manifold to replace the water T on the front of the
manifold.
> The T would not clear the exhaust header otherwise. I assume that I
tightened the
> lower nuts on the thick spacers, but I will check that when the engine is
cold.
>
> Did I need to replace the intake manifold gasket again because of
loosening and
> tightening the intake manifold?
>
> Tom
> 69 2000
> Portland
>
> Vegas Mike wrote:
>
> > hi all,
> >
> > I just got an e-mail saying that I.E. 6.0 patch is attached and please
enjoy
> > it. I deleted it. just for your info.
> >
> > also, I was putting my carbs back on as Keith here in Vegas has been
kind
> > enough to let me bring the car to his house and eyeball for me. thx
Keith! in
> > the process of tuning it the best that I can get I started to get a loud
> > whistle noise. it dropped a little when I put pressure on the carbs but
still
> > very noticeable. anyone else had this? the rear carb seems to tune
pretty good
> > but the front will not adjust worth a darn. of course I have no real
> > experience yet. if I turn the bottom mixture all the way out it does not
seem
> > to do anything. would this cause a whistle sound?
> >
> > thx for any ideas!
> >
> > Mike
> >
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