Chevrolet Performance LT4 Crate Engine Control System Instruction Sheet

Below you will find brief information for Engine Control System LT4 Crate. The Engine Control System LT4 Crate is a standalone, fully integrated kit designed to run Chevrolet Performance LT4 series crate engines with 58x crankshaft reluctor wheels, 4x camshaft indexing, and electronic throttle control (ETC). The kit includes a variety of components, including the engine control module, fuel pump power module, engine harness, accelerator pedal, mass air flow (MAF) sensor, and oxygen sensors, all of which are intended to be used for running the engine.

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LT4 Crate Engine Control System - Installation Instructions | Manualzz

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Key features

  • Stand-alone, fully integrated kit
  • Designed for Chevrolet Performance LT4 series crate engines
  • Includes engine control module, fuel pump power module, engine harness, accelerator pedal, mass air flow (MAF) sensor, and oxygen sensors
  • Returnless fuel system
  • Pulse width modulated (PWM) fuel pump control
  • Minimum 65.6 gph @ 400 kPa (58 psi) fuel flow rate

Frequently asked questions

This sensor is necessary for operation of the Fuel Pump Power Module. It should be installed as far away from the engine as practical in the fuel feed line. This will help dampen any fuel pressure spikes from the engine mounted high pressure fuel pump. Do not use an impact drive to install the sensor. Torque to 15 NM +/- 5 NM. The sensor must be mounted on an M10x1.0 port with an o’ring seal capable of sealing fuel. The Fuel Line Pressure Sensor must be mounted as shown.

The fuel pump must have the following flow capability: Minimum 65.6 gph @ 400 kPa (58 psi).

The MAF sensor must be oriented correctly in the induction system - note the arrow on the sensor indicating flow direction. Be sure to weld the mounting boss correctly - the sensor will only mount one way in the boss (see diagram). Weld the boss in place before installing the sensor. When installed in the vehicle, the MAF sensor should be mounted with the connector end pointing between horizontal and fully upright - do not mount with the connector oriented downward.
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