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> Distributors.
Keith914
post Jan 22 2017, 01:09 PM
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There are varying recommendations on suitable distributors for our Type IV engines with carburetors. Some advocate use of the 009 centrifugal advance only units. There are well written recommendations from "Bubblehead" and from "air-cooled.net", both advocating/explaining why SVDA (single vacuum, dual advance distributor, -- has centrifugal and vacuum advance operating independently) are the correct type as they provide some advance at lower rpm's that eliminate hesitation from idle, and give better mpg.

Some manufacturers no longer make these SVDA distributors, but fortunately others make them, including Petronix model D186504.

What does the "brain trust" say?
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