model x carburetor main jet

[wbs]

hello ques regarding the jet which is supposed to change ratio of gas to air- which is on the choke shaft. screwing the jet in or out has no affect on the running of the engine and in searching the forums past posts, someone said it is not supposed to during idling. the engine is slightly hard to start, so when idling , how can i adjust idling settings so as to facilitate starting? thank you [beginner despite title 'senior']

[Tom Wesenberg]

The GAV affect my idle, at least it does when the engine is cold. I leave it about 1 1/2 turns open until the engine has idled for a couple minutes, then I close it. Some leave it open about 1/2 turn.

[1955cj5]

This is the idle adjust screw on the Tillotson X

My Tillotson book recommends opening it about 1 1/2 turns from full closed and then very slowly closing it for a smooth idle...

[wbs]

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thank you both for your help, i'll try both sggestions