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AEM Electronics Water/Methanol HD Controller Kit - Internal MAP 40 PSI

AEM Electronics Water/Methanol HD Controller Kit - Internal MAP 40 PSI

The AEM Electronics Water/Methanol Controller Kit is designed to replace or upgrade your existing ...

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AEM Electronics Water/Methanol HD Controller Kit - Internal MAP 40 PSI MAX

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Product Information

Full details

This guide is for automotive enthusiasts and tuners looking to optimize engine performance in forced induction or naturally aspirated applications. The AEM Electronics Water/Methanol Controller Kit offers precise fluid injection control based on various engine parameters, enhancing power and preventing detonation. A key caveat is that optimal tuning requires careful calibration and understanding of your specific engine's needs.

All features

Model Part Number30-3306
BrandAEM Electronics

Extended Product Information

FAQs

What is the primary benefit of using a water/methanol injection system with this controller?

Water/methanol injection cools the intake charge, increases air density, and raises the fuel's octane rating. This allows for more aggressive ignition timing and boost pressure, leading to significant power gains and preventing engine knock (detonation).

What is the difference between the Boost Dependent and Multi-Input controllers?

The Boost Dependent controller injects fluid based on boost pressure measured by its internal MAP sensor. The Multi-Input controller is more versatile, allowing injection to be controlled by external signals such as a 0-5V MAP sensor, MAF sensor, or frequency-based Injector Duty Cycle (IDC).

Can this controller be used on a naturally aspirated engine?

Yes, the Multi-Input controller is suitable for naturally aspirated applications when configured with appropriate reference inputs like a 0-5V MAP or MAF sensor.

What is the "Boost Safe" feature?

"Boost Safe" is a failsafe system that monitors the water/methanol injection system. If it detects an error (e.g., voltage issue, low fluid), it can trigger a ground signal to allow for customizable safety measures like a warning light or engine parameter adjustments to protect the engine.

How often do I need to refill the water/methanol tank?

The refill frequency depends on several factors including your water/methanol tank size, engine horsepower, and the system's flow requirements. It is application-dependent and requires monitoring by the user.

What is the recommended water/methanol mixture?

A 50/50 mix of methanol and distilled water is commonly used for optimal cooling and octane boost. However, specific tuning and application may call for different ratios.

Does the kit include a water/methanol tank and pump?

This product is the controller kit, which includes the controller and a wiring harness. Separate AEM water/methanol tanks and pumps are typically sold as part of a complete injection system kit or purchased individually.

Troubleshooting

Controller not powering on

Verify all power and ground connections are secure and correctly wired. Check the fuse in the power circuit.

No fluid injection

Check pump connections and ensure the pump is receiving power. Inspect the injection line and nozzle for any obstructions. Verify the controller is receiving the necessary input signal to activate injection.

"Boost Safe" feature activating unexpectedly

Check all sensor inputs and wiring for errors or intermittent connections. Ensure the water/methanol level is adequate, especially if using the low-fluid switch feature.

Inconsistent fluid delivery

Inspect the boost reference line (if applicable) for leaks. Ensure the intake air pressure/airflow sensor is functioning correctly and providing accurate readings. Clean or replace the injection nozzle if it appears clogged.

Pros and Cons

Pros

  • Provides precise and dynamic control over water/methanol injection.
  • Enhances engine performance and protects against detonation.
  • Durable construction ensures reliability.
  • "Boost Safe" failsafe system offers critical engine protection.
  • Multiple controller options cater to diverse engine setups.

Cons

  • Requires careful tuning for optimal results.
  • Installation can be complex for beginners.
  • Effectiveness depends on proper water/methanol mixture and tank size.
  • Run-time between refills is application-dependent and not explicitly stated.

Setup, Compatibility & Care

Setup: Installation involves connecting the controller to power, ground, and sensor inputs (MAP sensor, etc.). The included color-coded wiring harness simplifies this process. For Boost Dependent models, connect the boost hose to the barbed nipple on the controller. For Multi-Input models, connect the appropriate sensor signal (0-5V MAP/MAF, frequency IDC/MAF) as per the wiring legend. The pump ground circuit and optional solenoid wire should also be connected. Ensure the water/methanol supply tank is filled with the appropriate mixture.

Compatibility: The Standard Boost Dependent controller is suitable for forced induction petrol vehicles up to 35 PSI. The HD Boost Dependent controller is for HD & diesel engines with a 5-40 PSI boost range. The Multi-Input controller supports NA and forced induction petrol and diesel engines (above 35/40 PSI) using external voltage or frequency reference signals.

Care: Regularly inspect the water/methanol tank level and refill as needed. Periodically check the injection lines and nozzle for any blockages or leaks. Clean the controller housing with a dry or slightly damp cloth; avoid harsh chemicals. Ensure electrical connections remain clean and secure.

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