Gav

[BILL WILLIAMSON]

Just remember, the GAV is just an added HIGH SPEED jet, that can be turned off or on/or adjusted at will.
Bill W.

 

[redmodelt]

All this talk about GVA, how about the adjustment of the air meter valve?

 

[MrTube]

All this talk about GVA, how about the adjustment of the air meter valve?

The poor forgotten air meter valve.

 

[Mitch//pa]

All this talk about GVA, how about the adjustment of the air meter valve?

whats a GVA
whats an air meter valve

 

[MrTube]

whats a GVA
whats an air meter valve

My guess is he's talking about the screw you use to adjust the idle mixture.
Doesn't that control the flow of air into the idle circuit on the Zenith?

 

[Mitch//pa]

My guess is he's talking about the screw you use to adjust the idle mixture.
Doesn't that control the flow of air into the idle circuit on the Zenith?

yes turning it in is rich // out lean
opposite of a more modern day carb

 

[redmodelt]

Air adjust screw. Yes
It is part of the idle circuit.