Spark Sea Level B9B1 ignition timing table with RPM columns and…

Screenshot of a "Spark Sea Level" ignition timing map labeled B9B1 in engine tuning software, with RPM columns from 850 to 6400 across the top and Load rows from 0.899 down to 0.149 on the left. Timing values range from about 19.25 to 32.00 degrees across the table.

AI caption September 2008 · Photo 95 of 117