Overview

Aeromotive VaporWorx KPM1500 Ally Returnless Pulse Width Modulation System Kits

Aeromotive VaporWorx Ally KPM1500 returnless PWM (pulse width modulation) system kits include a KPM1500 fuel pump modified with a high-pressure regulator, returnless Ally PWM control system, and other modifications to make them work properly for FSCM-equipped vehicles and aftermarket ECM/FSCM (fuel system control module) systems.

The KPM1500 features twin Bosch PWM compatible OEM pumps, fully re-engineered pump support system, robust venturi pump systems, integral safety overpressure valves, and a built-in anti-reversion/check valve, making each fuel pump very much like an OEM part. The outlet nipple has been strengthened to reduce the chances of breakage, and their operation is smooth, quiet, and easy to control.

The weakness of the OEM FSCM is power capability. They can drive one high-power pump, but not two. That's where the VaporWorx Ally PWM (pulse width modulation) kit comes in. It contains everything needed to drive the second KPM1500 electrically while the OEM fuel system control module handles the primary, keeping the power separated, but control of both pumps is handled by the FSCM, and all feedback, diagnostics, fuel pressure, etc. remains functional.

These kits are intended to be used as an Ally, or piggyback, system to help the OEM FSCM. No additional relays, Hobb's switches, etc. are needed.

Features:

* VaporWorx modified KPM1500 fuel pump module make the OEM chassis wiring plug-and-play
* Using PWM to slow down the pumps is very effective in keeping fuel temperatures down and relieving the electrical system of excessive load
* Ally PWM controller is a unique control strategy that helps reduce the amount of power that the FSCM produces at higher fuel demand
* At higher duty cycles the Ally PWM controller will start to out-run the FSCM and take more of the pumping power load, "helping out" the fuel system control module
* Approximately 71 percent+ reduction in power to the fuel pump during idle/cruise vs. running both pumps full speed all the time. Practically eliminates vapor lock/cavitation caused by overheated fuel
* Fully returnless (external inline filter required)
* 60-amp minimum continuous power rating in a compact controller package
* Total size 4 in. L x 2.1 in. W x 1 5/8 in. H
* Over-temperature shutdown with automatic reset operates indefinitely without damage
* Short circuit protection that will operate indefinitely without damage
* OEM Delphi/Aptiv connections for terminals, seals, and connector bodies (where appropriate)
* All cross-linked polyethylene wiring
* UL94 rated components used throughout

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