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  • Empire Performance Engineering Duramax Custom Billet Camshaft w/ Alternated Firing Order EPE-Cam66
  • Empire Performance Engineering Duramax Custom Billet Camshaft w/ Alternated Firing Order EPE-Cam66

Empire Performance Engineering Duramax Custom Billet Camshaft w/ Alternated Firing Order EPE-Cam66

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Part #: EPE-Cam66

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Application:

2001 - 2015 GM Duramax

Installation Difficulty:

Regular Price: $1,199.99

Special Price $1,149.99

Regular Price: $1,199.99

Special Price $1,149.99

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Regular Price: $1,199.99

Special Price $1,149.99

Details

Featured In Diesel World Magazine

Empire Performance Engineering was the first in development of a custom billet camshaft w/ alternated firing order for the Duramax trucks. The alternate fire pattern of the cam shaft is a large step in the right direction to solve to all so trouble some duramax crank shaft failures at all horse power levels. By rearranging the firing order it allows for lower harmonics of the motor and relieves stress off the front area half of the crank shaft where most stress is found.  


Below you will find a dyno Graph of an Empire Built Motor LB7 Using our Stage 1 AF Duramax Cam Shaft. This particular setup was also using our 60% Over Injectors with a basic Twin Turbo setup using a S300 / S472 Combination Tuned using DuramaxTuner / Calibrated Power. What you will see in the graph is the benefits of a stage 1 Cam Profile. Having a good Smooth and Flat Power Curve all the way through the RPM range benefits you as having a broader range of HP and Trq Gains to help benfit that all around power package for the Daily Driver work truck and Weekend Perfomance mindset. The Cam Shaft is the backbone to your setup. Many times people will get all caught up on Peak HP Gains and fail to realize that peak HP/Trq is only 200-300 worth of RPM.

Empire AF Camshaft Dyno ResultsEmpire AF Camshaft Dyno Results

The mindset behind our Camshaft Program is the same, whether it's the Stage 1 or all the way up through the Stage 3's, it's just a matter of setup and how much air is being pumped into the motor.


On another note, when selecting a Cam Shaft, base your selection to best suit your all out needs and demands. ****DO NOT GET CAUGHT UP ON HP**** The camshaft is not a magic stick that will produce 1000 HP all on its own, it needs sufficient amounts of Air to Match the profile. We have seen our Stage 1 AF make from 600 HP all the way up to 1200 HP by simply adding more air from turbo selections.


Our cam profiles can be found in the leading competition Duramax trucks around the world. All cams are ground to EPE specifications per application. Note: The stage 1 - 4 cams are priced the same but are not suggested to be used on trucks that do not meet certain specifications. "Ex. Using a Stage 3 cam on a low boosted application can result in the term "over cam motor" and performance will suffer." All cams are designed for particular applications as well as having the ability to create a cam profile to meet your particular application.

 

Product Specs


Blank

Blank cams come with core and lobes to machined to meet alternate firing order application. No cam profile installed.  (for those looking to have there own cam profiling done)


Stage 1 - Street Tow

Stage 1 cams come with the ability to put out up to 750 horse power. No valve relief is required and we recommend 100 seat psi. 35 - 45 boost is also recommended for stage 1 cams.


Stage 2 - Street / Competition

Stage 2 cams come with the ability to put out up to 900 horse power. 40 tho valve relief and 100 seat psi required. 40 - 50 boost is recommended for stage 2 cams


Stage 3 - Competition

Stage 3 cams come with the ability to put out 1000+ horse power. Minimum of 70 tho valve relief and 130 seat psi required. 55+ boost is recommended for stage 3 cams


Stage 4 - Grounded Per Application

Stage 4 cams are commonly used in Sled Pull & Drage Race application. Minimum of 70 tho valve relief and 160 seat psi required. Call us at 1-563-588-2708 if you have any questions.


Note: All camshafts will come with instructions based on engine type for which pins in your wiring harness need to be swapped in order for the cam to work with our camshaft.

*MINIMUM OF .050 THOU CRUSH HEAD GASKET RECOMMENDED TO INSTALL ALTERNATE FIRE CAM (EX. GM C GRADE HEAD GASKETS & .060 HIGH PERFORMANCE STEEL MULTI USE HEAD GASKET)*

Additional Information

Part # EPE-Cam66
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