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Reply to "Stumble!!"

Yeah why not ?

Also the comments of the two previous gentlemen is spot on.

Correct adjustment is of the greatest importance.

Look at the action of the cam on the accelerator pump arm and see if it's fuel delivery corresponds to the fuel requirement to eliminate the flatspot you are trying to eliminate.

If the car is in neautral and you are basically standing next to the engine, grab the carb throttle and open it as fast as you can. If you notice ANY hesitation in neutral that hesitation will be 100 times worse in gear.

Adjust things and swap cams untill you can crack open the throttle as fast as possible and no stumble occurs.


The devil is in the detail.
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