Re: TR6 ... black smoke

["Mark J. Bradakis" <mjb@autox.team.net>]

Have you checked the dashpot oil level?  Your carbs have the needle adjustment 
in the
dashpot, the O rings do tend to leak after a while.  You may also want to take 
off the
air cleaner and watch the dashpot behavior as you slowly increase throttle and 
as you
quickly do it.  There may be a crack in the diaphragms, causing an air leak and 
erratic
dashpot behavior.

mjb.

 http://fatchancegarage.com