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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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