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David Inc. David Inc. is online now
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Join Date: Mar 2014
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Don't worry about a starting point for the idle screw and mix. The idle screw baseline is whatever makes the engine run when everything is working right and the mix/timing are accurate.

There's a baseline setting for the mixture adjustment, linked above, but if the engine runs that's not the problem.

Make sure nothing is broken and then adjust to good idle, that's all. Test the AAR and AAV, both will give a high idle, but failure mode for either won't lean the engine out under load--a vacuum leak will.
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1982 911SC
Old 05-02-2023, 11:13 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #13 (permalink)