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Originally Posted by Schurkey
If you can start the engine without a choke in cold weather--I'd be interested in knowing how rich the mixture is at low throttle opening.
I'd prefer to have the idle/low throttle mixture as lean as possible without driveability problems when fully warm; then add the extra fuel when cold and during warm-up with the choke. But a pig-rich mixture covers a lot of idle fuel ratio problems.
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Mine isn't "pig-rich". Idle fuel mixture set for high vacuum/rpm fully warmed up in gear. You just have to hold the throttle up for a few minutes in cold weather. I have my fast idle solenoid hooked up to a switch also. I don't use it often though. A choke is great for a daily driver. It's convenient. But, I don't think it's necessary or causing 70 conv goat's problem.