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Re: [T3] dual vac distributor [was distributor 009]


<x-flowed>I think Dave is onto the reason here, and the difference is due to
acceleration and deceleration and controlling the rate of advance
to reduce excess rich burning. Remember that in this era, changes
were made to attempt to comply with increasingly tight smog
emissions requirements and reducing the amount of excess fuel
being introduced into the cyinders during deceleration.

Jeff  '67 Sqbk

Dave Hall wrote:

I assumed the different diameter of the pipes would make for a gentler
transition between the fully retarded, throttle closed state and the throttle
open position as air flows in or out of the two chambers - like a dashpot.
It's quite a large diameter diaphragm in those. They must be different specs
for a reason, unless the diameter info is actually erroneous?





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