Still Chasing Carb Gremlins

[2B32]

I fixed the choke and vacuum leak issues with my carb, but it still isn't perfect.

When I start the truck in the garage (50-60 degrees) it starts and idles fine. When I start the truck outside (20-30 degrees) is starts and runs fine for about 30 seconds, then idles down and sounds like it is going to die. If I give it a little gas it picks back up but runs very rough and shakes the truck. After 1-2 minutes of holding my foot on the gas it smooths out and runs ok until I get home and park it.

Again, in warmer weather it runs fine, but in cooler weather it runs rough. What do I not have set correctly?