MSD 2950 Atomic LS2_LS3 Master Kit Installation User Manual

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INSTALLATION INSTRUCTIONS

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PROGRAMMING

The Handheld Monitor is the interface to the Atomic LS EFI system, there is no connection for a PC

or laptop. It simply plugs into the Power Module and can be removed once your setup is complete,

or can remain connected so you can use features such as the dash or digital gauge displays.

The Handheld Monitor features a joystick to scroll through the settings. Scroll up and down to the

setting, then push the joy stick to the right to select the options. When the selection is made, either

push in, or simply go back (push to the left) to save/confirm your settings.

WARNING: Before turning the ignition key to the On position, confirm all fuel line connections are

tight and all electrical connections are correct.

After confirming all your connections and fuel lines, turn the ignition key to the On position –

NOT START THE ENGINE. Check every hose and fitting connection for any signs of fuel leaks. The

Handheld screen will illuminate and take you to the Main Menu.

Atomic LS Gauges

Atomic LS Dash

Main Menu

Figure 16 Monitor Main Menu

ENGINE IDENTIFICATION INFORMATION

GM has produced a number of different LS based engine

platforms. When setting up your Atomic LS system, it is helpful

to know the model engine you have. If you don’t know what

engine you have, locate the casting number on the back of the

block, below the driver's side cylinder head (Figure 17). That

number will assist in determining what engine you have and

can be looked up at www.atomicefi.com.

If you still have no idea of your engine’s origin, you can select a

base calibration from the menu to get the engine started.

MAIN MENU

Six selections will come up the Monitor under the Main Menu.

If this is the first time powering up the Atomic LS, select Initial

Setup (Figure 16).

Atomic LS Dash: This selection allows you to view a variety of

engine functions in real time when the engine is running.

Atomic LS Gauges: This setting puts five important values

in gauge form to ease viewing the data. This includes

engine rpm, oil pressure, engine coolant temperature,

speed (when connected), battery voltage and air/fuel

ratio.

Initial Setup: These are values that are required to start the

engine.

Advanced Setup: Optional settings for features and optimized

driveability settings.

Diagnostics: This screen will help you troubleshoot and identify

potential issues.

Display Setup: Provides adjustments for the appearance of

the monitor screen.

Figure 17 Casting