5.9L 24V Performance Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps Related To Performance And Longevity

Smarty Fuel Economy?

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  #11  
Old 01-14-2011, 05:36 PM
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Originally Posted by RAWilliams
I don't have my 150's in yet, but the 65's I bought from him are in. They have been doing very, very well. I have scared 25MPG when I had the single HX35 and the 65's in. Considering my trans had some slippage and T/C wasn't properly locking up, I think that's damn good. Can't wait to see what kind of mileage I get with a good trans, and what happens when the 150's go in. I'm very happy with my injectors, and if I ever need another set I know where I'll get them from.
What gears and size tires?25mpg wow Mine was with 4.10sand 33 inch tall tires.

---AutoMerged DoublePost---

I'm guessing 70 mph is the demon for me.
 

Last edited by turbo20psi; 01-14-2011 at 05:36 PM. Reason: Automerged Doublepost
  #12  
Old 01-14-2011, 06:03 PM
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305/70R16's, and 3.55 I believe. I was only going 60 - 65 Mph, a leisurely hiway drive.
 
  #13  
Old 01-14-2011, 07:51 PM
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Gearing makes all the difference. Tire size, and lower resistance tires help. RA your truck does well at 1900 right?
 
  #14  
Old 01-14-2011, 09:13 PM
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Not according to the computer, but its never right anyways. 1800 - 2050ish is the butter zone. 2200+ and it starts going down.
 
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