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Minotaur Automotive Tuning Software
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  #1  
Old Wed, May 5th, 2010, 08:10 PM
thedieselguru thedieselguru is offline
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Default Tuning for single shots
A guy at the shop has an '02 that we are looking at putting 160/30's in. Is it all timing changes or is there more to it?

Roger
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Old Wed, May 5th, 2010, 08:20 PM
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Little bit timing, the biggest change is in PW (dropped).
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Old Wed, May 5th, 2010, 08:35 PM
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Here it the PW maps comparing the two, splits on the left.


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Old Thu, May 6th, 2010, 09:18 PM
thedieselguru thedieselguru is offline
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Um, big difference! Are those stock maps or maps from tunes?
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Old Thu, May 6th, 2010, 09:23 PM
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Stockers.
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Old Sat, May 8th, 2010, 08:42 PM
schmity schmity is offline
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Quote:
Originally Posted by 907dave View Post
Here it the PW maps comparing the two, splits on the left.
Looks like from the graph of the single shot that anything ICP pressure over 13 MPa doesn't have any effect on flow or Pulse width.
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Old Sun, May 9th, 2010, 04:19 AM
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Pretty much!

As long as the load (MFD) stays the same PW remains constant throughout the ICP ranges.
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Old Sun, May 9th, 2010, 02:04 PM
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duplicate post
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Tuning, flashing, burning chips, and repairing all aspects of 7.3L Powerstrokes.
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Last edited by cleatus12r; Sun, May 9th, 2010 at 02:07 PM. Reason: duplicate post
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Old Sun, May 9th, 2010, 02:05 PM
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Originally Posted by schmity View Post
Looks like from the graph of the single shot that anything ICP pressure over 13 MPa doesn't have any effect on flow or Pulse width.
Because the injectors can only deliver so much fuel on the OBS trucks and Ford didn't "push" the injectors very hard on the older HEUI system (where that map came from). That's why the pedal feels "dead" after half throttle or so .
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Old Sun, May 9th, 2010, 04:49 PM
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Makes good sense.

Cody, would you say those injectors are pretty much maxed out, or is there any room for improvement via tuning?
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