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Weber Venturi (Chokes), 40DCOE Carburetor

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These main venturis fit the Weber 40DCOE carburetor. Sold individually.

What size do I need?

The venturi size is the first step (after choosing the carburetor) in tuning a Weber carburetor to your application. It is tempting to use the largest size for the most airflow, but this can hurt performance. Too much airflow impairs low-end driveability. In fact, the car may not start or idle at all. And remember that the engine has a limit to how much air it can use. Feeding it more will not produce more power.

The book Weber Carburetors by Pat Braden (Part No. 5326) includes venturi selection charts based on engine capacity, use, and RPM.

Enter desired order quantities below, then click the "Add selected quantities to cart" button.

Order Qty
Part No.
Desc.
Price
Status

72302-28MM

Weber 40DCOE Venturi, 28mm

$26.49In Stock

72302-30MM

Weber 40DCOE Venturi, 30mm

$26.49In Stock

72302-32MM

Weber 40DCOE Venturi, 32mm

$26.49In Stock

72302-33MM

Weber 40DCOE Venturi, 33mm

$27.99Not In Stock
notify me when available

72302-34MM

Weber 40DCOE Venturi, 34mm

$28.99In Stock

72302-36MM

Weber 40DCOE Venturi, 36mm

$28.99In Stock
 
Related Product Groups
Weber DCOE Parts & Jets