Year and size?
Air intake system?
Exhaust system?-muffler?
Idle jet?
Mainjet?
needle clip position?
Mixture screw position?
74 550
Stacks
MAC 4-1 headers, shorty straight pipe
Idle was 45 (way too much), went down to 38 until I get a different one
Main is 120. I got 110 and 115 coming.
Stock position (4 from the top)
Stock position (1-1/2 - 1-3/4)