6.7L Performance Discussion of 6.7 Liter Dodge Cummins Diesels Related To Performance And Longevity

Trying to let my 6.7 breath....

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Old Apr 25, 2012 | 09:48 AM
  #11  
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Originally Posted by 1ton butcher
You are 100% wright sir! I knew this but wasn't going to start anything. I'm mainly looking at the air intake. Talked to a few people and I like the s&b. Seems to be the best quality at the best price. Plus the washable filter vs. the oem at 50$ a wack. Thanks for the input. I'll report back with a mpg update after mods.
$50 stock air filter? ? Where do you buy the filters at?

should be able to get them for around $20....

---AutoMerged DoublePost---

Originally Posted by Whargoul
Changing the air filter will only increase how much dirt your engine eats, not performance.
this....
 

Last edited by Grrrr; Apr 25, 2012 at 09:48 AM. Reason: Automerged Doublepost
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Old Apr 26, 2012 | 05:48 AM
  #12  
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So far all I've found up here is the wix filters nobody has a fram. I went with the s&b. Whole shabang for 300$. With scoop and prefilter. From what I've read and the people I've talked to the best way to get milage out of the 6.7 is to give it more air. I've already got a 5" turbo back exhaust so this is the next step naturally. Really eager to see how more responsive this new Throttle body will be.
 
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Old Apr 26, 2012 | 06:15 AM
  #13  
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Originally Posted by coors_man_2005
Only for emissions?? I dont beleive thats right. Because if it was for emissions only when i start my truck the grid heater light would come on everytime i started it.
Its for emissions when the engine is cold. Ever notice old diesels smoke white in cold weather? Thats not condensation like gassers thats incomplete combustion. Heater grid helps get rid of that.

The grid heater from what i have seen takes place of glow plugs like the psd has.
No, Cummins engines don't need glowplugs or heaters. The off-road/industrial versions don't have grids.

The shop I worked at had an old 94 Ottowa yard goat, turbo and jacket water intercooler but no heater grid or ether. Even with 26,000 hours and extreme abuse that thing had no problems starting in 0*f weather. Now when it got down into the negatives, it would take a shot of ether to get the initial fire going.
 
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Old Apr 26, 2012 | 06:57 AM
  #14  
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my 91.5 cummins will not start in cold weather without the aid of the grid heater.
 
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Old Apr 26, 2012 | 11:20 AM
  #15  
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Originally Posted by Whargoul
The heat grid is only for emissions, it will not affect your cold starting ability.

The stock air filter is very good. Get rd of the silencer, grid, EGR and DPF.
Changing the air filter will only increase how much dirt your engine eats, not performance.
This is not accurate information. The poster is in Alaska. He NEEDS a grid heater. It does not provide much resitriction and its benefits far outweigh its drawbacks.
 
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Old Apr 26, 2012 | 12:55 PM
  #16  
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Hey Grrr, where do you get your filters, and what brand do you use?

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Actually, open that up to everybody, where do you get your air filters, what brand do you use, and how much do they cost?
 

Last edited by Eddiebuntain; Apr 26, 2012 at 12:55 PM. Reason: Automerged Doublepost
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Old Apr 26, 2012 | 02:21 PM
  #17  
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I dont get mine here...but lots order from Geno's Garage - Dodge Cummins Turbo Diesel Parts and Accessories genuine Fleetguard filters
 
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Old Apr 26, 2012 | 02:48 PM
  #18  
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Sorry, I just realized I kinda hijacked the thread. For related info that could be useful. Anyway Geno's has Fleetguard listed at $25 and Mopar at $30, maybe shipping on top of that.
 
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Old Apr 26, 2012 | 08:28 PM
  #19  
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Our big 3 phase (cummins) generators at work have grid heaters. They are offroad/ industrial.
 
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Old Apr 27, 2012 | 08:58 AM
  #20  
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Originally Posted by Dr. Evil
This is not accurate information. The poster is in Alaska. He NEEDS a grid heater. It does not provide much resitriction and its benefits far outweigh its drawbacks.
True. That is why I oppted for the new tb. It has a built in heat grid. While allowing more air flow.
 
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