7.7 Table Choices 7 ADDITIONAL ITEMS: BEYOND BASIC FUEL AND IGNITION CONTROL
Combined tables - secondary additive table.
Ignition is calculated by adding the lookup from
Spk1 and Spk2.
Spk2 can be used a tweak to Spk1 to add a 4th
dimension to the fuel table e.g. including a throttle
component in a speed-density tune.
Secondary algorithm blended table. Ignition is
calculated from Spk1 using the primary ignition
algorithm and also from Spk2 using the secondary
ignition algorithm and then the result is blended.
This could be used to have a blend between a
Speed-Density in Spk1 and MAF tune in Spk3.
The blend curve (2) allows you to alter where each
algorithm is in use. Each table should be tuned
individually i.e. set the curve to 0% and tune Spk1,
then set to 100% and tune Spk2, and finally enable
blending.
Two way blend.Ignition is calculated from Spk1
and Spk3 using the primary ignition algorithm.
These are blended. Then Spk2 and Spk4 are
calculated using the secondary ignition algorithm
and blended. The Spk1/3 result is then blended
with the Spk2/4 result.
This could be considered for high-octane (Spk3/4)
vs low octane (Spk1/2) where algorithm blending is
also used between left and right.
Single table
By far the most common install is to use a single Speed-Density ignition table. This really should be
your starting point before considering other load methods and certainly before multiple-table configurations are
enabled.
Single algorithm with table switching
In the above screen shot, the MS3Pro is set to switch the spark tables at 5000 RPM. You can also set the
switching to kPa or throttle position, or use a physical switch.
AMP EFI MS3Pro manual version 1.202, firmware 1.5.0, 4/21/2017 Page 221
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