Some engines need a bit of a air bleed hole in the Throttle Plates Plus the Secondary Throttle Blade Position to dial things in.
You are correct, you have to pay attention to all of the details in tuning an engine.
The WW-II Mechanic Instructor who was Chief Mechanic at our Pontiac Dealership (My uncle owned the place) always preached "
Get the Timing right first before you ever monkey withe carburetor."
Delbert Forrest was his name. RIP Del.
Tom V.
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"Engineers do stuff for reasons" Tom Vaught
Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward.
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