—- 806-063 —– HFS3-v3.1 system A truly progressive system utilising PWM valve. **Build-time** (4-5 weeks)

Aquamist has been pioneering the IDC based water injection system since 2003 with great
success. The HFS3-pwm system is designed to complete the Aquamist’s PWM-valve
delivery system line-up, it allows precise metering of water/methanol injection for the
modern high performance engine. The dash gauge, flow sensor and “Plug and Play”
features are standard to minimise installation time.

Online ordering is currently disabled, but please call the shop for pricing and orders! 250-300-4959

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Description

Aquamist has been pioneering the IDC based water injection system since 2003 with great
success. The HFS3-pwm system is designed to complete the Aquamist’s PWM-valve
delivery system line-up, it allows precise metering of water/methanol injection for the
modern high performance engine. The dash gauge, flow sensor and “Plug and Play”
features are standard to minimise installation time.

The system retrieves the fuel flow (IDC) and manifold pressure signals (MPS) from the
engine management system as the prime source to control the flow of water. This enables
perfect balance of water to fuel flow under all engine loads. The system can also be
controlled by a third-party ECU with its own custom water/methanol flow map.

A “Fast Acting Valve” (FAV) controls the delivery rate based on the PWM signal from the
HFS-3 controller. A constant line pressure (160 psi) is provided by the Aquatec pump
working in the “by-pass” mode. A PWM valve system guarantees wide dynamic range.

There is a non-gauge/flow sensor option (HFS-2) for non-critical application where a
failsafe is not needed. A dash switch is provided instead. The user can disable the
system and reduce the manifold pressure to wastegate pressure if needed.

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