5.9L Rotary Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps Related To Performance And Longevity

Smokem... Injectors...

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  #1  
Old 01-20-2010 | 04:50 PM
RSWORDS's Avatar
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BOMBARDIER

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Default Smokem... Injectors...

This is targeted right at you... Thinking of a new set of custom injectors for this season, what do YOU think I should run?

Spec on truck
  • Typical Pump Mods - At Runaway
  • Re-Indexed and Ground Throttle Shaft
  • DennyT Stage2
  • Timing To The Head
  • Powerstroke Intercooler
  • Silver62 Turbo
  • 4" Straight Pipe
  • Walbro 392 Lift Pump w/ Big Lines

Truck is used as a weekend play toy Pulling and racing.
 
  #2  
Old 01-20-2010 | 05:02 PM
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I have an idea, do you have an idea of what the peak static timing might reach?
 
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Old 01-20-2010 | 06:30 PM
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BOMBARDIER

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static... Not sure... Right now the pump is to the head, I have the dial indicator and can pretty much set it were I want it. What do you recomend?
 
  #4  
Old 01-20-2010 | 06:35 PM
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BOMBARDIER

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From my reading and teh little bit of info out there *Should* be about 2.4mm of lift... or around 22*

Was looking at skipping some teeth, I can do what you think will work best though.
 

Last edited by RSWORDS; 01-20-2010 at 06:44 PM.
  #5  
Old 01-20-2010 | 11:10 PM
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,
not to interupt, but rswords, any problems with chugging in the bottem end with the timing that far advanced, i put my pump to the head sunday and the truck sounded like it was gonna fly apart, so i backed it off to 3/16" advance and it runs great.
 
  #6  
Old 01-21-2010 | 11:56 AM
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What size are you interested in, target flow? If you stick with the 155° pattern, you could use a sac style base being 0.011, 0.012, or 0.013", and modify it from there. Cost will be the other issue, depending on how much you want to spend.
 

Last edited by Smokem; 01-21-2010 at 12:34 PM.
  #7  
Old 01-21-2010 | 03:03 PM
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Bobby, you give up on the 16's?
 
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Old 01-21-2010 | 10:28 PM
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  #9  
Old 01-22-2010 | 01:09 PM
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Originally Posted by Smokem
What size are you interested in, target flow? If you stick with the 155° pattern, you could use a sac style base being 0.011, 0.012, or 0.013", and modify it from there. Cost will be the other issue, depending on how much you want to spend.
well I'm running 6x16's now, You have told me that you can build a 5 hole injector that will perform better. Thats what I want!

I'm running a 9mm head still if that changes anything. I'm really just wanting to try something different.
 
  #10  
Old 01-22-2010 | 01:10 PM
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Originally Posted by Richie O
Bobby, you give up on the 16's?

Maybe... Maybe not...

I think I'll keep them and see which perform better! I'm trying to get everything how I want it and then I'm gonna rent the dyno for an afternoon and do some tuning.
 


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