Originally Posted by
Glowgeek
That's pretty cool, Bert. Gunson also makes a product called "Colortune" that works good for getting jetting and tune close to optimal. Some final tweaking still required.
I heard about that, but not sure if I remember right... IIRC that is a glass sparkplug or something like that, right? That you can tune by the colour of combustion?
In a minute or so, gonna try if I can get a decent reading on my little gasoline powered launch.
5 cc (.30 cu.in.) at fixed 1500 RPM... Curious if that is going to work...