smoke coming out of carb after engine turned off...

i have a 521 race motor. when i shut the engine off after its been running, i notice some light smoke coming out of the carb? it runs and idles great. what could cause this to happen? need your opinion guys..... THANKS

Possibly float level to high.

condensation ???? what kind of fuel are you using ?

dfree383 wrote:Should just be fuel evaporating

X2, mine does that too. My floats are right on, pump gas.

Bill

Fuel perculating in the carb, (or outright leaking from somewhere), and entering the intake manifold where you see the vapor escaping from that happening.

rmcomprandy wrote:Fuel perculating in the carb, (or outright leaking from somewhere), and entering the intake manifold where you see the vapor escaping from that happening.

X2