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

Star wheel adjustment with shop air

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Old Feb 11, 2012 | 12:43 PM
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Default Star wheel adjustment with shop air

I'm trying to adjust the star wheel with shop air I set my in line regulated at 30 psi with free flowing air then I set the star wheel to almost full travel after that I lowered the regulated to 15 psi and I'm still getting full travel what am I doing wrong ?
 
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Old Feb 11, 2012 | 03:36 PM
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Star wheel doesn't work that way, it only adjust spring rate for the AFC. Doesn't actually limit travel of the AFC arm.


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Old Feb 11, 2012 | 06:58 PM
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I thought I read somewhere that you hook shop air up to it Set it to the desired psi that you want to make like I want to make 34 pounds of boost so I would hook up the air with 34 psi set on the regulater then adjust the star wheel until its fully forward with the air still hooked up to the afc
 
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Old Feb 11, 2012 | 07:39 PM
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Not quite. There's a right up floating around somewhere. When using a larger turbo we use shop air to adjust afc preload to reduce smoke during spool up while maintaining quick spool. The air online assist you while trying to set for the psi the turbo generally lights.

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Old Feb 11, 2012 | 07:55 PM
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Oh well that changes things so should I adjust it until its almost not seen in the hole or is it something I need to adjust by feel then ?
 
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Old Feb 11, 2012 | 08:04 PM
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Its all dependent on setup. If its stock go by feel.

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Old Feb 11, 2012 | 08:06 PM
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Ok thanks I just was under the inpression that the best way was with shop air , so no I know thanks for the help guys.
 
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Old Feb 11, 2012 | 08:12 PM
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The best is shop air but with factory fueling and turbo it dosent make a huge difference and its not to hard to tune. Im guessing you want smoke like everyone else here, if that's the case don't even worry about doing it properly.

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Old Feb 11, 2012 | 08:19 PM
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No not after smoke just want the truck to get up and go the best it can so that's why I thought the shop air would be best because it would go full fuel with full boost without guessing that's all... What I'm trying to do is get it to go let's say from 0 to 60 the fastest way I can get it to go I'm really not even after the top end because I'm not up there that often just trying to get better low to mid range out of it that's all , I'm starting to think about putting a torque converter in it would that gve me better results .
 
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Old Feb 11, 2012 | 08:21 PM
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Its a combination, converter and turbo paired properly, a good injector with a properly tuned pump and advance the timing a little.

Are you completely stock?

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