5.9L 12V Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps Related to Performance and Longevity

stacks lower egts?

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  #11  
Old 08-11-2009, 10:29 PM
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my friends 08 PSD exhaust was perfect. it kinda came out at an angle so soot wouldnt get all over the side of the truck.
 
  #12  
Old 08-11-2009, 11:05 PM
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Well unless you have a turn down, every exhaust is going to get soot on your truck someway. Its just something we have to live with..
 
  #13  
Old 08-11-2009, 11:20 PM
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mine smokes plenty and mine doesnt get any black on the truck the way i have mine angled i guess.
 
  #14  
Old 08-12-2009, 12:04 AM
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As of right now mine doesn't get anything on the body but I have mine shooting straight down. I cut the turn out on the over the axle pipe and just let the exhaust go over the axle then shoot straight down to the ground.. Makes for a good smoke screen or gets an a**hole to backoff when they want to ride under your bumper
 
  #15  
Old 08-12-2009, 12:51 AM
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Originally Posted by bobcat67
yeah unless you really stick those stacks up like 10 feet over your roof on your pickup you're gonna get soot all over the tailgate, turn down tip is probably the best way to calm down smoke getting on the pickup but not the best looking imo
not true, depends on what stacks he has. i have the 5" bull haulers and have never onece had an issue with soot in my bed on anything i hual or on my tailgate, had stacks for 2 years never had a problem

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as for the egts when i had my 3.5 downpipe with 4 inch stright pipe into a 90* angle into my 2 stacks when i was at 60mph i was roughly 800* pre turbo before my stacks i was about 700* pre turbo when i upgraded to the 4" downpipe im about 750* with my stack s and about 675* without at 60
 

Last edited by 94cummins12v; 08-12-2009 at 12:51 AM. Reason: Automerged Doublepost
  #16  
Old 08-12-2009, 01:25 PM
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I would tell you what my egt's are with my single but my pyro hasnt been hooked up for months
 
  #17  
Old 08-12-2009, 06:44 PM
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Where did you find a true 4" downpipe and are you using the stock exhaust housing on the turbo for this, I believe it is a 12CM please correct me thanks.. I am dealing with a stock turbo and high egt's and looking for a true 4" downpipe
 
  #18  
Old 08-15-2009, 08:51 PM
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Dave I had the same issue. After pegging the 1500 gauge so many times the thing just broke and said it was 100 all the time Now I have a 1600 gauge and it must be broken as well cause 0 - 100mph run it will hit 1600 around the 65mph area and it wont keep going. I really want a 2000 degree gauge but im a little worried about what it might tell me....
 

Last edited by xzaq103; 08-15-2009 at 08:54 PM.
  #19  
Old 08-15-2009, 11:53 PM
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Originally Posted by xzaq103
I really want a 2000 degree gauge but im a little worried about what it might tell me....
find one that flashes "let up dingy" when it hits 1500 and "might as well keep going 1700-up
 
  #20  
Old 08-16-2009, 11:05 AM
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Originally Posted by xzaq103
Dave I had the same issue. After pegging the 1500 gauge so many times the thing just broke and said it was 100 all the time Now I have a 1600 gauge and it must be broken as well cause 0 - 100mph run it will hit 1600 around the 65mph area and it wont keep going. I really want a 2000 degree gauge but im a little worried about what it might tell me....
well I made the mistake of looking at it during my first pull ... it was pegged by the 150' mark. so I just unhooked it problem solved
 


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