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Injection Pump "turned up"

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Old Sep 28, 2005 | 11:57 PM
  #1  
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thede04
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From: Middle of corn/bean field
Injection Pump "turned up"

Can the injection pump be "turned up" on a non-di 7.3 1990...if anyone knows please reply..thanks
 
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Old Sep 29, 2005 | 12:33 AM
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From: Marengo, Iowa
you can turn up the fuel screw, and otehr adjustments can be made, but it really helps to know exactly what you are doing so as not to damage things. Here is a link to give you an idea about it. http://www.members.shaw.ca/k2pilot/I...%20article.htm
 
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Old Sep 29, 2005 | 10:07 PM
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Dieseldan7.3
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From: Peoria IL
I never know what im doing when I work on my truck. Some days I just feel like pretending to be a mechanic and take apart broken stuff.
I read that article in the site listed above and i felt like a diesel genious enough to do it myself. My first time it didnt take me but 30 minutes and I was puffing coals and finishing off my bald Hoosier donut tires.
Just make sure you get a pyrometer if you are pulling a trailer or like to floor your truck for long periods of time. Youd be surprised at how hot some exhuast gas can get.

I dont know when this started happening but it turns out that more fuel+more air=more combustion and more combustion=more heat and more heat=melted pistons.
 
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Old Oct 5, 2005 | 03:11 PM
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You might gain some power and better throttle response by advancing your pump timing a little. The marks are on the pump base and the top of the housing it mounts to. Loosen the three mounting bolts and rotate the pump towards the passenger side of the truck to advance it. Don't move it much, maybe just the width of the lines and try it. Ford spec is +or- .030. With the pump advanced you will notice a little more clatter. You can get away with more advance if you are using fuel with a higher cetane rating. I have also found that setting injector pressure to the high end of the range allowed helps throttle response but you would have to pull the injectors and hire that done.
 
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