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

Bigger Injectors

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  #11  
Old 06-19-2008, 01:40 PM
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nope, i dont have to get off of it at all in the quarter, ive not pulled with her yet to see about that. under WOT, i may see 1100 tops, but thats rare. my buddy and i think that maybe my stock turbo housing has been machined out, cause i spool really quick and it hit over 43 psi consitently with no power loss?? plus EGTs are really kinda low for 150 hp injectors and level 5, sublevel 5 so who knows. im getting ready to go up to a 5 inch straight pipe and get rid of the 4in straight pipe.
 
  #12  
Old 06-19-2008, 01:47 PM
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WOW. That's something. That's a LOT of boost from a stock charger. 43psi is WAY off the efficiency map for that turbo. With the edge, those big injectors and a stocker turbo pushing 43psi you should have CRAZY EGT's at WOT. That's pretty amazing that you don't

. yeah, you got something different going on. Honestly, I'm not sure I'd monkey with it. If it's got all that stuff, and EGT's are low, and spool is quick, it'd be a dream come true for most of us. I'd like to see a dyno to see what she's putting down.
 
  #13  
Old 06-19-2008, 01:58 PM
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450hp at rear wheels and 1172 ft lbs, just dyno'd
 
  #14  
Old 06-19-2008, 02:00 PM
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Pretty awesome. way to go dude!
 
  #15  
Old 06-19-2008, 02:02 PM
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yeah, if you check out my album, ive got pics on there from indy when i dyno'd, need to get my TST chart up there

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i still need a 5 inch pipe though, especially when i run twins
 

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  #16  
Old 06-19-2008, 03:42 PM
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a 200-220 stick will be nice with twins.

i run a 250hp competition only injector with a 66mm single and drive around with only the smarty turned on level 9 99% of the time and WOT it doesn't see 1300*. when I turn the redline on and wind the truck out to 4k and really push it, or when sled pulling I only see 1650* (that sounds high but for a short burst when sled pulling, its fine).

now with twins that are gonna spool faster and move more air than my 66mm single, you are in the sweet zone, for big power with low EGT. also when you are cruising on the highway with twins, running just a few psi at 70mph, keeping the pyro around 600-700* you will get darn good fuel mileage.

stock vp44, 200hp sticks from DDP or F1 (best that i've seen on the market for low EGT and low smoke), and twins will be good for mid 500's thats still reliable and daily drivable.
 
  #17  
Old 06-19-2008, 09:21 PM
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With twins you should be able to run Mach 6's.
 
  #18  
Old 06-20-2008, 06:12 PM
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i might go up to 200 then once i get everything else on, what setup did yuo go with Getblown 5.9?
 
  #19  
Old 06-20-2008, 11:17 PM
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i had a set of DDP 200hp injectors and made 521 with them...i sent them back to lenny and told him more, he opened them up to what he says is the biggest injector a stock vp-44 can support and told me they should be competition only, too smokey for daily driving.

well they netted me another 50hp (571hp)

and you can see the smoke here for yourself on both some drag strip runs and sled pulls...once there is some boost, the smoke is gone.



now keep in mind this is with a big laggy single turbo and everything set to kill...i turn it down for DD and can be smoke free if I want.
 
  #20  
Old 06-21-2008, 02:11 PM
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heck that aint any worse then what mine does now
 


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