




Most venturi sleeves used are mild steel, originally intended for the Holley 350 carb (the 7448 model), and are filed back to suit the Stromberg throat. An alternative is to purchase ready-to-go venturi sleeves from Frank Whitby (mango235@yahoo.com.au). Frank puchases stainless steel restrictors, and sizes them to suit a given throat size. He can do the common grey motor 1 1/32", but also the larger 1 3/32" and 1 5/32". The restrictors Frank is selling are a great snug fit with no additional filing. I've found Frank to be a gentlemen to deal with - great communication and fast post. Would definitely reccomend his products.

Mods - can we add Frank to the Suppliers and Services thread please?
Cheers,
Harv.