sparkplug reading - Color Tune

[Programmer]

Can a colortune be sensitive enough to read differences in runner lengths on
a regular intake manifold ?? Just curious...I'd think you'd need at least 4
of em to do a V8--then set the other half carb.

Lyndon.
-----Original Message-----
From: nacelp <nacelp at bright.net>
To: diy_efi at diy-efi.org <diy_efi at diy-efi.org>
Date: March 16, 2000 10:40 AM
Subject: Re: sparkplug reading - Color Tune


>
>> I was greatly relieved to find that TRF (The Roadster Factory) had the
>Color
>> Tune in stock (not out of production);  I got mine (with no shipping
>delay!)
>> for about 50USD.
>>
>> Do any of you have experience with Color Tune?  David Vizard says that
>> sparkplug reading is a very unreliable way of setting mixture strength;
>he
>> likes to use an EGO and a Color Tune.
>
>Ya, right, if your working on a dyno, or an idling engine.  Want to seat
>under the hood while someone makes a pass at 110MPH?.   EGO, ya fine, ya
got
>$5K for a good one.  Can't use either in some catagoryies of racing.  Both
>have there places, and lots of folks happen to be pretty good reading
plugs.
>Technology won't replace talent.  Using $$$$ equipment might be handy for a
>pro, and a crutch for the lessers, but experience can make up for either.
>  It boils down to starting conservatively, and optimizing from there.
>Yes, at times I use an ancient Color Tune for working on 1951 MG/TDs.  Just
>seems right.....
>
>  I won't just automatically believe
>> everything that I read, but his suggestion does at least pass a first
>check
>> of reasonableness.
>
>Not in my book
>Grumpy
>
>> Mike
>
>
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