Which choke stat for M1 dual plane?

[Some Car Guy]

Does this use the flat style like a 69 440 or the bubbled up later one? Or???

 

[R413]

Bubble top with cup & gasket underneath. 1970-1972 style.

What carb are you using. They sell a repro for the AVS

Choke Thermostat Fits 70-71 383/440 Carter AVS RoadRunner GTX Challenger Cuda | eBay

 

[Some Car Guy]

I’ve got a 69 model avs, thanks. Going to this manifold on stock engine to shed some weight. I’m not used to having ac and it just plain drives heavy.