How much "shake" at idle is acceptable?

toolmanmike said
In your first video, how cold was the engine when you started it? Does it go away or get better as it warms up? I see a electric pump but it looks like a carb. I noticed in the second video you started it cold without a choke (or so it seems)

The engine was quite cold. It was winter. No carb….Holley sniper. I was demonstrating how well the sniper handles cold starts