Product Support Page
Last updated 12/12/12
- Once installed,
this shift box is simple to use. Simply press the
up-shift button to advance to the next gear, or press
the down-shift button to drop to a lower gear.
- This shift box
will boot up in 3rd gear every time as a safety in case
the shift box would ever reboot due to a power
- By default the
downshift protection RPM is 4500RPM, see below
to change this, or disable the downshift protection.
- Note that the
shifts are made at full line pressure, so learning the
timing on when to make the shift will make using this
shift box much more pleasurable on the street.
- Note that the
transmission has a delay of 500ms-1000ms for the actual
shift to complete. This will vary some with engine speed
and power level, and transmission adjustments. Be sure
to shift early until you learn how long your
transmission takes to perform the shift at WOT to
prevent a possible over-rev of the engine.
Configuring downshift protection:
- To adjust the downshift
protection RPM you will need to open the cover to the
shift box enclosure. On the inside is a small dial with
the numbers 0-7 on it. See the image below for the exact
location if the dial. Using a small screw driver turn
the dial until the desired selection is made. The
default position is #3 which is 4500RPM.
- 3=4500RPM (default)
Testing the downshift protection:
- On the inside of the shift
box is a yellow/orange LED. This LED does a bulb test
when the shift box is first powered up. See image below for
an exact location of the LED.
- This LED is used to indicate the
downshift protection is working. When the engine RPM's
are brought up above the set RPM, the LED will turn on.
When the RPM's drop below the set RPM the led will turn
- Note some flicker on this LED is
normal, especially when near the set RPM due to timing
belt flex and noise. If excessive, this may indicate
your cam or crank angle sensor needs to be replaced.
Updating the firmware:
- The most recent Shift Box LITE
firmware version is 001
- Please send an e-mail to
email@example.com to inquire about updating your
firmware. Please note this shift box does not support
USB firmware updates and will need to be shipped to
Forced Four to be updated.
All settings will be set to factory defaults when
the firmware is updated)
Confused? Contact us at
Check out our tutorial video of this
shift box in action!
(Same as BASIC)
Click to open