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Re: [T3] '68 SQ w/ dual carbs questions
<x-flowed>>and later venturis. With these carbs the vac advance kicks in when the
throttles open and tapers off as they close for cruising. This provides a
noticeable increase in torque on acceleration compared to the FI dist
without the vacuum. I know this from testing the same distributor with a
With a vacuum advance system, when you open the throttles,
the ignition timing retards, no? It "kicks in" (advances) under a
strong vacuum (i.e., throttle shut), right?
-Greg
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