Electromotive xdi, Руководство по установке и инструкция пользователя

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XDI Manual Version 1.8 Page 24
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2017 Electromotive, Inc.
5.2.a Initial Knob
The Initial knob sets the timing between 400 and 1000 RPM with a range of 0 to 30 degrees. If you are
setting with a stock specification, make sure you have the actual advance the engine idles at. Don't confuse this
with the service manual specification - which requires a disconnected vacuum line or an electrical connector to
put the timing into some default mode. If possible, check a stock motor with a timing light when everything is
hooked up. If no spec is known, try 10°-12° as a first test.
5.2.b “3000” Knob
This represents the additional spark advance added to the INITIAL when the engine reaches 3000 RPM.
This value is added linearly from 1000 RPM to 3000 RPM. The adjustment range is 0 to 30 degrees. If no spec
is known, try 21° for a full race engine or 24° for street stock engine.
5.2.c “8000” Knob
At 8000 RPM you can add or subtract up to 12 degrees of timing from the advance you selected at 3000
RPM. This value is added or subtracted proportionately from 3000 RPM to its full amount at 8000 RPM. (Try -
2°).
NOTE: Due to variations in printing and assembly, the knob dials may not exactly indicate the actual
values. Always use a timing light to verify your settings.
NOTE: All advance recommendations are suggestions only! Your engine may require more or less
timing. If you are running a high compression or a boosted engine, start with less timing. Always start with
less timing than you need and increase slowly. If you hear detonation, back off immediately! Detonation
(caused by too much timing advance) will damage your engine.
The advance knobs set in
Figure 13 are:
Initial knob = 12 degrees
3000 knob = 21 degrees (added to initial knob)
8000 knob = -2 degrees (subtracted from 3000 knob and initial knob)
The timing curve for this example is shown in
Figure 14 .
Figure 13
–
Knobs used for
setting timing and
RPM limit