ignition · FF-0064

What is the advantage of a dual-point distributor?

Ed says one set of points is about five or six degrees behind the other, so one opens and one closes for every spark. That keeps the points cooler and makes them last longer. He says that is the whole purpose of dual points.

Expert
Ed Smith
Evidence
expert attributed
Component
dual-point distributor
Applicable scope
general; shown on a Mallory unit for a 1949–1953 Ford Flathead
Original BTG sourceFLATHEAD Mods: Distributors & Timing
Watch at 04:27.200 ↗