3rd Gen High Performance and Accessories (5.9L Only) Talk about Dodge/Cummins aftermarket products for third generation trucks here. Can include high-performance mods, or general accessories. THIS IS FOR THE 5.9L ONLY!

CFM + Intake

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Old 06-06-2008, 07:58 PM
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CFM + Intake

It this modification worth the $$.
Can you tell the performance gain or MPG gain?
Old 06-06-2008, 08:01 PM
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Id look at Hellmann or GDP, does the same thing, their cheaper, and made of metal not CF.
Old 06-06-2008, 10:22 PM
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I love mine, spools the turbo from a dead stop faster than anything else out there! Proven on the Dyno. Well worth the money, in my opinion, and everybody's got one...
Old 06-07-2008, 12:10 AM
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I really like mine and would buy another one. Turbo spools much faster, throttle response is much better, and I saw a slight decrease in EGTs.
Old 06-07-2008, 12:27 AM
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I've had mine for well over a year now. It has seen close to 50psi with no problems, and I did notice better low end spoolup and better egts when cooling down and cruising. IMO yes it is worth the money.
Old 06-07-2008, 09:45 AM
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Cfm+

X2 on the CFM. No milage gain but increase spool up for sure.
Old 06-07-2008, 03:24 PM
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Here is a photo of the Hellman. I guess it is comperable, the hole can only be so big with the given bolt pattern. I friction factor will vary depending on the smoothness. Somewhere I saw some test results comparing the different intakes, does anyone know where I can find the test results?
Attached Thumbnails CFM + Intake-restriction.jpg  
Old 06-07-2008, 03:53 PM
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I think you can go to Trivalleyperformance.com and get it.
They are the ones that did the test. Are you sure that is
Hellmans.
Old 06-07-2008, 05:19 PM
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Originally Posted by Dynocon
Here is a photo of the Hellman. I guess it is comperable, the hole can only be so big with the given bolt pattern. I friction factor will vary depending on the smoothness. Somewhere I saw some test results comparing the different intakes, does anyone know where I can find the test results?
I think bob4x4 did a test comparison of all the popluar ones, ill see if I can dig it up...

EDIT

Ok, just AFE/GP/stock
http://dodgetrucksxtreme.com/forums/...hp?topic=372.0
Old 06-07-2008, 07:14 PM
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Originally Posted by Blueboy
I think you can go to Trivalleyperformance.com and get it.
They are the ones that did the test. Are you sure that is
Hellmans.

Joe at Hellman performance E-mailed me the photo.
Old 06-08-2008, 09:35 PM
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My cfm + has seen 85psi and no problems at all. They really help on the bottom end.
Old 06-08-2008, 10:58 PM
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Originally Posted by Stacked97
I think bob4x4 did a test comparison of all the popluar ones, ill see if I can dig it up...

EDIT

Ok, just AFE/GP/stock
http://dodgetrucksxtreme.com/forums/...hp?topic=372.0
hmm thanks for the link!! thats a very interesting read....those flow numbers are great info!!
I can only assume the GDP must have been worse then stock or close since they would NOT post flow results for it????
Old 06-08-2008, 11:09 PM
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According to the Tri-Valley intake horn test, they later tested a GDP horn after they did the other and the gains were competing wiht the CFM+.
Old 06-08-2008, 11:55 PM
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Originally Posted by cgmorgan06
According to the Tri-Valley intake horn test, they later tested a GDP horn after they did the other and the gains were competing wiht the CFM+.
was that a dyno test or a flow test??? to me a bench flow test would be more accurate then a dyno test???
the link above was for flow testing not dyno testing.....
Old 06-09-2008, 12:12 AM
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Originally Posted by 53 ******
was that a dyno test or a flow test??? to me a bench flow test would be more accurate then a dyno test???
the link above was for flow testing not dyno testing.....
It was a dyno test. It seems to me that there would be some kind of correation between to two.


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