TW> Teh best thing you can adjust is the Furl to Air ratio. Depending in
TW> what you are after yuo can lean it a bot for better miledge or enrichen
TW> it For a litle more power. You alaso might be able to play with
TW> the spark advance.

I have always thought that messing with those settings could end up fouling
your spark plugs (either too lean or too rich).  

Year ago I attempted to play with those settings on a 4-barrel carb with
bad results.  I found it easier to just swap the carb.. :)

- Mark

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