MSD 2950 Atomic LS2_LS3 Master Kit Installation - Manual

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Atomic LS EFI
Master Kit LS2/LS3, PN 2950
Parts Included:
2 – Integrated Fuel/ECU Rail Assemblies
1 - Power Module
1 - Handheld Monitor
1 - Wideband O2 Sensor, Bung and Plug
2 - MAP Sensor Adapter Harnesses
2 - Camshaft Sensor Harnesses, 1x and 4x
2 - Crankshaft Harnesses, 24x and 58x
4 - Injector Harnesses
1 - IAT Sensor and Grommet
Thank you for selecting the Atomic LS EFI System! MSD’s Atomic EFI systems are designed with
two major goals; to simplify EFI and deliver better overall performance from your engine. Simplicity
is achieved through wired-less technology to ease installation plus the Atomic is simple to program
with no PC required! Performance is delivered through advanced control of the fuel and ignition, just
as you’d expect from MSD.
ONLINE PRODUCT REGISTRATION: Register your MSD product online. Registering your product
will help if there is ever a warranty issue with your product and helps the MSD R&D team create
new products that you ask for! Go to www.msdperformance.com/registration.
1 - TPS Sensor Harness
2 - 90° -6 AN fittings
4 - -6 AN fittings
1 - 18" High Pressure Fuel Hose
4 - Installation Brackets
4 - Intake Manifold Bolts
8 - Injector Retainers
8 - 8/32" Socket Head Cap Screws
1 - 4G Micro SD Card
Not legal for use on pollution controlled vehicles: The MSD Atomic LS EFI system is not CARB
approved for use on emission controlled vehicles. This system is designed to control the EFI and
ignition on LS based engines being retro-fit into older vehicles that do not require emission controls.
Parts Required, Not Included:
• Injector O-Rings
• Fuel System: Fuel Pump, Regulator, Line
• LS1 and LS6 Installation Kit - PN 2955
For use with Master Kit PN 2950. Provides the
correct brackets and EV-1 injector connectors
for the early car intake manifolds identified by
a 3-bolt throttle body.
• Thread Sealer for Intake Bolts
Installation of this product requires detailed knowledge of automotive systems
and repair procedures. Installation of fuel system parts and any fuel tank
modifications must be carried out by a qualified automotive technician. Installation of fuel system
parts requires handling of gasoline. Ensure that work is performed in a well ventilated area with an
approved fire extinguisher nearby. Extinguish all open flames, prohibit smoking and eliminate all
sources of ignition in the area of the vehicle before beginning the installation.
When working with fuel systems, eye goggles and other safety apparel should be worn to protect
against debris and sprayed gasoline. The finished work must be thoroughly checked to ensure
there are no fuel leaks.
DANGER
CAUTION
WARNING
NOTICE