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12v in 1990 f350 issue

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Old Feb 24, 2012 | 03:27 PM
  #21  
94cummins12v's Avatar
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From: Havre mt
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oh ya runns like a dream now this sdx injectors have more pull to them than the ddp 90s did. one of the injectors wasnt even sprying just dribbling and 2 of them had a clogged nozzel
 
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Old Feb 25, 2012 | 04:13 PM
  #22  
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So the DDP's went bad on you?

And yeah that might cause some performance issues
 
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Old Feb 25, 2012 | 06:06 PM
  #23  
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Originally Posted by 94cummins12v
oh ya runns like a dream now this sdx injectors have more pull to them than the ddp 90s did. one of the injectors wasnt even sprying just dribbling and 2 of them had a clogged nozzel
Glad you got it figured out, Badass truck
 
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Old Feb 27, 2012 | 11:14 AM
  #24  
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ya they were about 3 years old i herd from the local performance diesel shop the ddp arent as good as they used to be he switched from ddp to SDX becasue of there poor customer service and he has had a few sets go bad after a few thousand miles and they wont exchange them so he switch everything to SDX i honestly like these SDX 5X.012 better than the ddp 90's they seem to smoke less and have lower egts towing

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yep she runns like a dreem now hits 40-50 lbs of boost like it should had the throttle response again little smoky till the turbo hits but im happy with it now welded my new mirror brackets for the flip out dodge tow mirrors and replaced the driver fender now shes off to body and paint shop to get a complete body and paint job
 

Last edited by 94cummins12v; Feb 27, 2012 at 11:14 AM. Reason: Automerged Doublepost
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Old Feb 27, 2012 | 12:51 PM
  #25  
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i hate to bring up but did you check fuel cylinoid for opeaning all the way. i had same problem and spent 2 weeks looking for problem after fixing fuel cylinoid my truck was like totaly difrent truck.
 
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Old Feb 27, 2012 | 03:11 PM
  #26  
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yep fuel silinoid wasnt the culprit check it along time ago thats why i posted this morning that shes up and running great again
 
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