Howdy,

My '62 544 has the stock, twin SU HS6 (?) carburetors. The car runs healthy and scoots forward nicely, city and freeway, but it runs so rich that it emits black smoke from the exhaust that you I can even see clearly when it's idling at the stoplight: unburned gasoline! I did a quick search on the Internet on "adjusting SU carburetors" and on how to set the idle, synchronize the carbs, and adjust the mixture, but according to the net my SUs should have a mixture adjust screw/wheel on the bottom of each carb. Guess what: I can't find it! In fact, on the bottom there is the fuel inlet to the carburetor. Can anybody point me in the right direction?

Thanks,
Bernard