12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

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  #11  
Old 03-15-2010, 05:52 PM
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ive never seen a truck that picked up 3 mpg from air filter, mabey 1
 
  #12  
Old 03-15-2010, 06:02 PM
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my truck was pegging the filter minder before i switched to the afe intake.
 
  #13  
Old 03-15-2010, 06:04 PM
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if all you want is 50 - 60 horse just slide the stock plate all the way ahead and back 1/8 inch, give the star wheel 20 clix and call it good, at that
 
  #14  
Old 03-15-2010, 07:05 PM
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Originally Posted by wes-cummins
ive never seen a truck that picked up 3 mpg from air filter, mabey 1
Like I said, I'm speaking from experience here. Believe me or dont. Or just try it out for yourself hehe
 
  #15  
Old 03-15-2010, 08:43 PM
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Originally Posted by 85_305
50-60hp? What? Last I looked, a good fuel plate was worth 140hp, plus afc tuning, intake and exahust your probably looking close to 370hp and 700-750 lbs of torque. A gsk would help even more. Not quite near 50-60hp.

But whether or not you believe me on 3mpg or not, I dont really give a ****. I'm just telling you what I have personally seen out of MY trucks with that mod (bhaf or 6637). Note, I didn't say just a filter. I said an intake. The stock design on our 2nd gens is one of the WORST designs implemented. Take it or leave it.
You got a few things to learn fella.
 
  #16  
Old 03-15-2010, 08:49 PM
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Thats a rather bold statement to make without any further elaboration
 
  #17  
Old 03-15-2010, 11:58 PM
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Got the exhaust pulled off. Truck did have a cat and it was pretty much 100% plugged (260,000 miles). Muffler was about ready to fall off too, really rusty.

Cleaned the truck out too, orginal owner I guess used the glove box as a filing cabinet, even the load paperwork for the truck was in there.

I think I'm going to put a 2" spacer in the front and a small block in the rear. Go up a size or 3 with the tires as well. I can't even get under the truck right now without jacking it up and I'm not a huge guy. Also will help a bit with rpms, 70mph is pretty much all it has.

I got 18mpg out of the first tank I have run through it, not bad at all!
 

Last edited by nate379; 03-16-2010 at 12:08 AM.
  #18  
Old 03-16-2010, 09:50 AM
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Good to hear!! My truck has 256k miles and I'm almost certain it has the stock cat. So this is good to hear.

As far as 70mph, what happened there? I can cruise at 80-90mph easy in my truck 100% stock :think:
 
  #19  
Old 03-16-2010, 11:30 AM
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70mph is WOT. I can hit maybe 75 if I really push it hard to the mat, but that's all she wrote.
 
  #20  
Old 03-16-2010, 11:42 AM
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You have 4.10s and stock gov springs this is normal.
 


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