Quick Links Take a Practice Exam Contribute to the Site Browse the Exams About this Site Privacy Policy Terms & Conditions Site Map New User Log In Examine My Cookies Contact WebMaster   Exams4Pilots Forum Forum Home - Latest News - Testimonials - Tips & Tricks - Stuck Mike - Bug Reports - Feature Request	SiteMap You are here: home->amp->A03->A.8.0.6.4.A.1 8064 What does valve overlap promote? A) Better scavenging and cooling characteristics. B) A backflow of gases across the cylinder. C) Lower intake manifold pressure and temperatures.

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