On Friday, March 30, 2018 at 1:00:44 PM UTC-5, Steve W. wrote:
> AMuzi wrote:
> > On 3/29/2018 8:14 PM, Mechanically Electric wrote:
> >> https://youtu.be/HyuPm9wtAsc
> >>
> >> Ill be putting one of these together, let me know what ya think,
> >> opinions welcome. Please subscribe, Ill keep you updated.
> >>
> >> Doug
> >>
> >
> > that was leading technology 50 years ago:
> > https://www.youtube.com/watch?v=tNIzuh88BbI
> >
>
> They are handy on some older engines like motorcycles where you can
> adjust and sync multiple carbs. For most modern engines they are useless
> because the plugs are buried in places you cannot see and nothing is
> adjustable these days.
>
> --
> Steve W.

I have seen Colotune advertizements in auto magazines, many years ago. There are some Youtube videos about Colortune. Youtube Easy engine tuning - Colortune by Gunson