consider a NASCAR engine at a 2300 rpm idle. The peak combustion pressure of this engine at this RPM occurs 1.5 milliseconds after the spark event. What is the ignition timing if peak pressure occurs at 9 degrees ATDC? If the inlet valve opens at 17 degrees BTDC and closes at 41 degrees ABDC calculate the inlet valve duration in crank degrees and its time open period in seconds.

consider a NASCAR engine at a 2300 rpm idle. The peak combustion pressure of this engine at this RPM occurs 1.5 milliseconds after the spark event. What is the ignition timing if peak pressure occurs at 9 degrees ATDC? If the inlet valve opens at 17 degrees BTDC and closes at 41 degrees ABDC calculate the inlet valve duration in crank degrees and its time open period in seconds.

Automotive Technology: A Systems Approach (MindTap Course List)

6th Edition

ISBN:9781133612315

Author:Jack Erjavec, Rob Thompson

Publisher:Jack Erjavec, Rob Thompson

Chapter26: Ignition Systems

Section: Chapter Questions

Problem 3RQ

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