Dual fuel pump system for Dodge Challenger and Charger Hellcat

The Dodge Hellcat is one of the most modified US vehicles sold today.
Dyno tests have shown that an upgrade of the OEM single-pump fuel system is required if the engine power is to exceed approx. 850 hp.
Until now, your options have been limited to fuel pump "boosters" and accessory dual pump setups that eliminate the stock fuel pump control module and surge tank ("fuel basket").

These options are suboptimal and potentially dangerous for the durability of your engine.

The Hellcat 6.2L supercharged engine features a sophisticated engine management system (PCM). It uses wideband lambda probes to continuously monitor and adjust the fuel-air ratio, even at full throttle. This is done, among other things, by controlling the fuel pressure at the engine's fuel lines.
The PCM measures the actual rail pressure and adjusts the speed of the fuel pump to maintain the target pressure.
All current fuel pump boosters and dual and triple pump systems omit the PWM fuel pump control module and simply run the pump(s) at a fixed voltage. This eliminates an important control element, limiting the tuner's ability to properly tune to the new modifications. This leads to a deterioration in driving behaviour and, in extreme cases, damage to the engine.

This fuel system integrates with the OEM fuel management system. It increases capacity but retains all PCM fuel control functions, allowing correct engine calibration.
The plug-and-play wiring harness is easy to install and no different from the stock wiring harness on your Hellcat. Only two wires need to be tapped (FCM and fuel pump relay signals), the level sensor signal wires are reconnected and everything else is applied to the stock connections.

Another problem with all other solutions currently available is the omission of the OEM fuel pump surge tank, often referred to as the "fuel pump basket".
This can be thought of as a "tank within a tank". The fuel pump is built into a "basket" that is completely submerged in the fuel tank. Its purpose is to maintain a steady supply of fuel around the pump (for cooling) and the pump inlet to ensure that the pump does not "run dry".
These turbine pumps rely on a fuel "load" to prevent overspeeding and resulting damage to the pump. Your engine also does not like a short-term fuel shortage.
Our system incorporates the standard expansion tank and eliminates these problems.

A common myth that should be dispelled here is that the standard expansion tank (fuel basket) cannot keep up with the twin pumps. This is simply not true. The tank (basket) is filled by a jet pump driven by the electric pumps; it fills in direct proportion to the mass of fuel driven into the primary pipe system. Note that the Demon and the Redeye have a factory dual pump system with an expansion tank that has exactly the same fuel capacity as the Hellcat.

Typically, the installation of this system can be done in less than two hours. Everything you need is included, along with detailed instructions.

Functions:

• 2 Ti Automotive F90000285 Turbine pumps as standard.
• 2 Ti Automotive F90000295 available as an upgrade. (Please note that the Ti-295 has no backstop and may result in longer start-up times.
• Fully E85 compatible.
• Integrates seamlessly with the standard fuel system and control unit.
• Installation in the vehicle's OEM surge tank (fuel basket) to keep the pumps cool and prevent overspeeding.
• Billet version made of 6061-T6.
• Plug-and-play wiring harness and PWM controller included.
• The Ti-285 system has proven on the dyno to support 1100+ RWHP on E85, 1200+ on petrol; the Ti-295 system has delivered 1250+ RWHP on E85 with twin turbos.

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