Manual choke. If you use one at all. I wouldn't. Never did on anything beyond stock. Unless you are going to drive it below freezing temps. You're just going to foul the plugs up.

If it's chilly, you should let it warm up some before driving it anyway.

Last edited by CMcAllister; 10/08/21 11:09 AM.
If the results don't match the theory, change the theory.