7.6 Boost / VVT 7 ADDITIONAL ITEMS: BEYOND BASIC FUEL AND IGNITION CONTROL
All anti-lag variations require an input switch to arm the system. When active, the anti-lag system will add fuel
and retard timing to a number specified by the ALS tables. You can also allow the MS3Pro to use the following
additional strategies when the anti-lag is active:
• Use a cyclic fuel cut
• Use a cyclic spark cut to dump unburned fuel into the exhaust
• Activate a solenoid or additional injector output to send fuel or air into the exhaust manifold directly
• Open the idle valve a set amount
• Open a solenoid to let additional air into the intake manifold
Note - use extreme caution if using any system that dumps fuel directly into the exhaust! This type of
anti-lag can turn “danger to manifold” from an ironic “The Fast and the Furious” reference into a very real hazard.
As many anti-lag systems also have the throttle or idle control valve open by a large amount, the MS3Pro can
also use a rotational idle fuel cut to reduce idle speed on engines using anti-lag. The rotational idle engages when
anti-lag is off.
Anti-lag is only used when you release the throttle to shift; see the Launch Control section for how to set up the
MS3Pro for no lift shifting.
Since anti-lag creates so much heat, the MS3Pro has several settings to limit the anti-lag system’s use to limit
heat buildup.
• Anti-lag enable input - Select what input pin is used to arm the anti-lag system.
• Maximum TPS - Specify the maximum throttle position for anti-lag to be active.
• Minimum RPM - Anti-lag is shut down if the RPM drops below this point.
AMP EFI MS3Pro manual version 1.202, firmware 1.5.0, 4/21/2017 Page 210
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