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Message: <blockquote data-quote="westgl" data-source="post: 97995" data-attributes="member: 2025">When I use the word Choke, I mean Venturi Choke, or a funnel shaped venturi opening that reduces diameter from carb opening down then after choke opens back up to throttle plate size, after the choke plates, but before the throttle plates.So the 32DFT is a 32mm carb opening, choked down to 22mm, then opens back up to 32mm at the throttle platesThis is used to speed up the air/fuel charge, through the carb., my 32DFT carb has 2ea 22mm venturi chokes.Another choke could be added in the tube runner, between the VW plenum and OEM manifold.But for now, i am going to test it, without that 2nd choke in placeThe VW plenum is reduced down to a 1-1/8" to 1-3/16" opening, at the small end of the plenum outlet inside, I am going to use that as my after carb Choke, for now.</blockquote>