Dear Walt & Son;

Those never worked even when new.

Look for an 'oil bath' filter unit from a (commercial) vehicle. A (truck) Salvage Yard should have one for around $40.

"Metered vacuum" comes from the Carb. base & then goes to the 'advance can'.

Good luck. \:\)

John M., I.I. #3370

"There are no shortcuts to any place worth going". -Anon