View single post by Sander
 Posted: 07-23-2015 10:32 pm
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Joined: 03-15-2005
Location: Peachtree Corners, Georgia USA
Posts: 70
I believe the colortune is for setting or adjusting the fuel to air ratio. With stromberg carbs, you raise or lower the needle, using a long allen head tool, and watch the colour of the spark. From memory - Yellow/rich, white/lean, blue/correct. Check the instructions!

The colortune does not balance the carbs.