Yes it's a great tool to have. I have been using one for many years. I also
recently purchased a Kal Equip A/F meter to help me dial in my needles at
all RPMs, kinda like the Heathkit model which my Dad had until a shelf
collapsed and which he then threw out :(
Mike
----- Original Message -----
From: "Fred Schroeder" <roadster@texoma.net>
To: <WisslerJon@aol.com>
Cc: <datsun-roadsters@autox.team.net>
Sent: Sunday, March 31, 2002 1:26 AM
Subject: Re: EI Dizzy Conversion/Now Idle Speed and SU tuning
> Another way to tune up the mixture is a "Color Tune". It is an odd
looking
> spark plug with a clear insulator. You can actually see the color of the
> flame. Temporarily replace #1 or 2 plug with the "Color Tune to set the
> front carb then put it in #3 or 4 to set the rear. Orange is rich, blue
is
> correct, and white is lean. It is dead on and only take a few seconds.
>
> Best regards,
>
> Fred Schroeder
> '70 2000
> SRL311-13359
> TDROC
> Home page http://home.texoma.net/~sitsinwest/
>
> ----- Original Message -----
> From: <WisslerJon@aol.com>
> To: <gboone@sisna.com>
> Cc: <datsun-roadsters@autox.team.net>; <tomhouse57@msn.com>
> Sent: Saturday, March 30, 2002 6:19 PM
> Subject: Re: EI Dizzy Conversion/Now Idle Speed and SU tuning
>
>
> > Gary,
> >
> > You were absolutely correct. I was adjusting the damn air mixure screws
> and
> > not the idle screws. I finally figured out what the hell was going on.
> > Fortunately for me, a neighbor who restores old Mercedes stopped by and
> told
> > me I had to adjust the Unisyn to get a reading (as you said) and voila
!!
> > Now the only problem is no matter what I do I can't get both carbs to
get
> the
> > same reading. The rear carb, when covered by the Unisyn, causes the
motor
> to
> > stumble a bit. I have the air mixture screw baily opened on that one.
> The
> > front carb barely gets a reading practically no matter what the heck I
do.
> I
> > have it opened SEVERAL turns. Does this mean that my carbs are
> essentially
> > toast do you think? Despite the fact I probably have the SU's nowhere
> near
> > tuned, I went out for a test spin and WWWWWWWOOOOOOOOOWWWWWW !!!!! The
> car
> > absolutely hums !! No more stall at low RPM's, and if I punch the
> throttle
> > there is INSTANT response. Major improvement. Thanks again for such a
> fine
> > product, the excellent instructions, and the follow up advice. The wife
> and
> > I will heading out to dinner in the sunset tonight and I may be scaring
> the
> > hell out of here with my driving.
> >
> > 69 2000 (With the most excellent Gary Boone EI dizzy)
> > 69 510 Wagon L20B (With the dash removed waiting for a dash clock)
> > 69 Chev C10 4x4 307 2bl (HEI, Edlebrock manifold and carb waiting in the
> > garage)
> >
> > (I think I have too many things going at once !!!)
> > NOWROC
> > Troutdale, OR
> >
> > /// datsun-roadsters@autox.team.net mailing list
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> > /// http://www.team.net/cgi-bin/majorcool
> > /// Send list postings to datsun-roadsters@autox.team.net
>
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