Lingenfelter L460105297 Lingenfelter LNC-003 Dual RPM Launch Controller v2.7 - Manual (Page 3)

LNC-003 description:
The LNC-003 Dual RPM Launch Controller is a true 2-Step spark based RPM limiter for use with LSx
based engines and ignition systems. The LNC-003 provides two RPM limit settings - a Primary and a
Secondary.
The LNC-003 can be used to provide consistent launch RPM off the line in drag racing and other
standing start racing applications. In turbocharged applications the LNC-003 can also be used to load
the engine and help build additional boost off the line.
The LNC-003 can also be used as an adjustable individual cylinder RPM limiter, providing reliable
and fast acting spark based engine RPM limit control. This is especially useful in vehicles that have
auxiliary fuel control systems where it is not possible to make sure that both the factory ECM/PCM and
the auxiliary systems both turn off fuel at exactly the same time. The reason this is important is that if
the two don’t completely cut fuel at the same time you will run lean when the one system cuts off the
injectors (but not the other), risking severe engine damage.
WARNINGS:
The RPM limiter function of the LNC-003 acts by disabling spark to individual cylinders and not
fuel like most production RPM limiters so the 2-Step/Launch Control function is not meant for
use on the street or for use on cars equipped with catalytic converters. The 2-Step/Launch Control
function of the LNC-003 is only for use at the race track on race vehicles not equipped with
catalysts. Failure to follow these precautions can result in premature catalyst failure.
DO NOT operate the engine with the LNC-003 RPM limit active for extended periods of time.
Due to the raw fuel in the exhaust when the RPM limit is active, a risk of backfiring exists if you
do so.
DO NOT place in direct exposure to exhaust manifolds, turbocharger turbine housings or other
underhood items that are high temperature heat sources (radiated heat sources). The warranty does not
cover damage due to melted enclosures or wiring due to improper installation.
Do NOT submerge the Controller in liquid or directly wash the unit with liquid of any type! The
switches on the LNC-003 are sealed but are NOT rated for high pressure wash, use caution if power
washing near the LNC-003 controller
Important Information regarding spark plug wires and spark plugs:
You must use noise suppression ignition wires and resistor type spark plugs with this Controller. The
LNC-003 Controller contains High Frequency Digital Electronics and will NOT function correctly
without Noise Suppression Wires! Some aftermarket wires that claim to be noise suppression type wires
do not offer the same noise suppression level as the production wires and other aftermarket spark plug
wires.
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