"Rebuilt" Thermoquad idle mixture screws have no effect.

[Geoff 2]

The 1004 is the correct gasket.

 

[Dibbons]

The 1004 is the correct gasket.

Thanks for the tip. But how do we know for sure? I know AI makes mistakes but disconcerting when conflicts with human knowledge

Per AI search:

• The SP-1003 is typically for the small bore Thermoquad.
• The SP-1004 is typically for the large bore Thermoquad.