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Carb Adjustment

To: mgs@autox.team.net
Subject: Carb Adjustment
From: timfboston@aol.com
Date: Sat, 23 Apr 2005 17:20:09 -0400
I set the mixture on my carbs (SU HS4) using the colortune.  The engine revs 
fine in neutral, but when I try to drive it hesitates with no power from 
2000-3500 RPM.  If the choke is pulled out (with the engine warmed up) the car 
runs great with lots of power.  This makes me think that I need a richer 
mixture, but the spark plugs are sooty black to make me think that it is too 
rich.  Any suggestions?
 
Thank you,
 
Tim
1971 MGB




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