Quote:
Originally Posted by David_Hayward
Gunson Colourtunes have been around since before I first rode a 'bike (1971)....they were advertising in car mags here in the late 1960s! Yes they do work as does Gunson's Carbtune for multi-carb setups. However, the 'not under load' point is relebant!
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OK
Apparently these devices are more suited to multi-carb engines , like a motorbike with a carb for each cylinder: BMW ? And twin SU's on cars.
But reports indicate it is useful for getting a carb to a " in the ball park" tuning stage , even on a one carb multi cyl. engine . Don't know how relevant it would be to us ,as playing with jets and float levels is just about all we can do on our old clunkers .
MIKE