[Fot] ZS carbs running rich

Randall tr3driver at ca.rr.com
Sun May 31 10:37:45 MDT 2009


> My fairly recently rebuilt ZS carbs on my '74 TR6 are running 
> rich (tailpipe has black soot).  There is a gas smell in the 
> engine compartment too.  The gas smell seems to be coming 
> from one of the carbs.  Does this sound like the float level 
> is too high in this carb?  

Sounds to me more like the float valve is not sealing completely.  Could be
crud in the valve, defective valve, broken gasket where they screw in, fuel
pressure too high, etc.  But check the level too.

Randall



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