References for Vehicle Artists: Holley 4-Barrel Carburetor

Here is reference for Holley 4-Barrel, also called double pumper, very classic drag racing carburetor.

And here is very good exploded view of 4-barrel with mechanical secondary, mechanical choke and bit different choke plate design, with all the names. https://www.uniquecarsandparts.com.au/images/how_to_repair/Holley_Carburettor/Holley_Carb_3.jpg And here is another for exactly same style of secondary and choke as I have modeled here: http://gordonfrench.com/camaro/vacuum.png