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carb sync


> 
> Lopez, Fernando wrote:
> >
> > FOLKS CAN ANY HELP ME ABOUT TUNE-UP MY CARBURETORS
> > THANKS
> 
>  1. Disconnect the linkage from each carb
>  2. Wind out idle screws until they no longer contact throttle stops
>  3. Wind them back in by two turns
>  4. Reconnect linkages. Make sure it doesn`t open the carbs. Adjust
> rods     if required.
>  5. Wind in mixture screws until stop, don`t use force
>  6. Wind them back out by two turns
>  7. Start engine and let it warm up until idle gets smooth
>  8. Remove aircleaner and hold plastic or rubber tube against carb
> inlet.
>     You will hear a sucking noise. Compare both sides. If one side
> is        louder, it means the carb is open more.
>  9. Adjust idle screws gently until both sides sound the same
> 10. Turn off engine. Manually open the carbs as wide as possible.
> Check     if both carbs open to their max and if the reach max at the
> same time
> 11. If not, you have to GENTLY bend the throttle arms. These are the
> little rods at the carbs.
> 12. Restart engine, it should run pretty good by now.
> 13. Readjust idle rpm by turning idle excactly the same, no more than
> 1/8     th of a turn at a time. Carefull, you could mess up the sync.
> Check     with your tube, if carbs still sound the same.
> 14. When engine is warm, wind in mixture screws, half a turn at a
> time     until engine starts to misfire.
> 15. Wind out screws just far enough until engine starts to pick up
> again.
> 
> >From VolksWorld issue Dec.95
> 
> I followed these instructions once on my squareback. It works fine, my
> engine has been running for over a year now with this setup. It`s good
> on mpg and runs very smooth at any rpm.
> 
> Roland
> `69 square
> `69 TL
> `69 beetle



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