2001-2010 Duramax Performance CP3 (FPE-DMAX-CP3K)-Injection Pump-Fleece Performance-FPE-DMAX-CP3K-Dirty Diesel Customs
2001-2010 Duramax Performance CP3 (FPE-DMAX-CP3K)-Injection Pump-Fleece Performance-FPE-DMAX-CP3K-Dirty Diesel Customs

2001-2010 Duramax Performance CP3 (FPE-DMAX-CP3K)

Fleece Performance

Part Number: FPE-DMAX-CP3K

Mfr Part Number:

Sale price$1,818.60 CAD

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Description

Fits

 Year Make Engine
2001-2010
GM
LB7, LLY, LBZ, & LMM 6.6L Duramax

The Fleece Performance CP3K is a modified Duramax CP3 that has been designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. If you have a stock CP3 pump you are losing fuel flow and rail pressure after 3000 RPM, which correlates to lost horsepower when you need it most. This cost-effective upgrade will allow you to maintain desired fuel rail pressure through your entire RPM range.

Fleece Product Number: FPE-DMAX-CP3K

Features
  • Eliminates the factory fuel flow restriction that begins at 3,000RPM
  • Maintains desired fuel rail pressure through your entire RPM range

Notes
  • The fuel pressure regulator will need to be scaled appropriately when installed in a 2001-2005 (LB7 or LLY) You can get the values here.
Q & A

Q: What size injectors does the CP3K support?

A: Injector size should be based on desired horsepower goals, truck uses, and tuning capabilities. Commanded main injection duration, or tuning, ultimately determines what size injector a CP3 will support. Our PowerFlo750 will support our 100hp injector at 2600uS with no issue, resulting in over 750RWHP if your turbo will support that. Some people have seen over 800rwhp with shorter duration and larger injectors on FPE 68mm turbo's and larger.

Q: What is Main Injection Duration?

A: Main Injection Duration is the amount of time that the injector is turned on or energized. Measured in microseconds (uS) it is sometimes referred to as pulse-width.

Q: What does a CP3 Pump do?

A: A common rail fuel system is most easily related to supply & demand. Commanded main injection duration, the demand, while the CP3 is the supply. The bigger the injector and/or longer the commanded duration, the higher the demand. CP3's are limited to what they can supply (Volume) based on displacement & RPM. As demand increases beyond the CP3's ability to supply, then fuel rail pressure starts to drop.

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