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Minotaur Automotive Tuning Software
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Old Fri, April 16th, 2010, 10:16 PM
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Actually I realized that in that particular program I was a little more aggressive with the Base SOI map in the light throttle ranges.

I switched back to a program with the same PW map with the easier timing curve and the slow speed issue went away but.............I still have the rolling idle.


Sooooo quiz away..........pleeeaaassseee.
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Old Fri, April 16th, 2010, 11:13 PM
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What is your minimum IPR duty cycle parameter? What is commanded in the base IPR map? What effect does the ICP have on your PW?
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years.
Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim.

Last edited by cleatus12r; Sat, April 17th, 2010 at 12:48 AM. Reason: I got my maps backwards.....
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Old Fri, April 16th, 2010, 11:29 PM
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Min IPR Duty% Parameter is 4.98%

Duty Cycle Maps says should be around 4.5% @ level 20 on the Regulator Flow (which I am not sure what that really is).

As PW drops ICP goes up.........right?
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Old Fri, April 16th, 2010, 11:34 PM
thedieselguru thedieselguru is offline
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Just to be curious, what's the fuel pressure in heads under load? Those injectors have got to tax a lift pump pretty hard.
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Old Fri, April 16th, 2010, 11:35 PM
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Fuel pressure is not an issue as I am pushing close to 140 gph @ 60 psi through the heads at all times.
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Old Fri, April 16th, 2010, 11:42 PM
thedieselguru thedieselguru is offline
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That's a bunch
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Old Fri, April 16th, 2010, 11:44 PM
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You are right! It uses a 5/8 pickup tube to the pump/filters then 1/2 all the way to the engine where it splits to 3/8 to feed the rear of each head.
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Old Sat, April 17th, 2010, 12:52 AM
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Well after taking yet another look at the PW map it appears I took close to .3 MS away from my Idle range..........I added that back and might give it another try tonight.

I just cannot wrap my head around what that actually did to my ICP/IPR%.
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