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Old Feb 12, 2015 | 04:04 PM
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IPR question

On the PID list, the "max" value for IPR is listed at 45%. I've seen some '05 and up trucks go higher than that and read many posts where the ipr is showing 85%. Is the 45% max a bad number on the list or correct for the '03- early'04 trucks?
 
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Old Feb 12, 2015 | 04:07 PM
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I've wondered that myself. My truck is an '05 and I see the the IPR get up into the 70's a lot. Runs great, starts great, no problems at all. At warm idle it's always 22.8 to 23.6.
 
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Old Feb 12, 2015 | 04:07 PM
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I would say that has to be a bad number
 
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Old Feb 12, 2015 | 04:18 PM
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Thanks Tim, I don't have much experience with the early trucks and this was buggin me. I was thinking maybe it just wrong across the board but remembered there's two different IPR part numbers. And started second guessing...
 
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Old Feb 12, 2015 | 04:19 PM
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Originally Posted by LSO1123
I've wondered that myself. My truck is an '05 and I see the the IPR get up into the 70's a lot. Runs great, starts great, no problems at all. At warm idle it's always 22.8 to 23.6.
I think the best way to test is cold and warm idle. Your numbers look good .
 
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Old Feb 12, 2015 | 04:19 PM
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I think a bad number also. Every document I ever read on a 6.0 says at inital startup it will go to 84-85% and then drop according to rpm demand.
Also every 6.0 I have done a live scan or data log the IPR acts[reads] accordingly also.
 
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Old Feb 12, 2015 | 04:28 PM
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Thanks for the confirmation Danny.

When Piolet did the spread sheet, he copied the numbers correctly, that early version with the messed up formatting has the 45% also. Guess it's time for an update. Anyone care to guess what 2,500rpm should read?
 
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Old Feb 12, 2015 | 11:59 PM
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Should easily see IPR @ 77%+ WOT.

Does your chart show 1400-1450 ICP @ 2500 rpm?

Josh
 
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Old Feb 13, 2015 | 02:21 AM
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Originally Posted by Rusty Axlerod
Thanks for the confirmation Danny.

When Piolet did the spread sheet, he copied the numbers correctly, that early version with the messed up formatting has the 45% also. Guess it's time for an update. Anyone care to guess what 2,500rpm should read?
I can correct that value if needed.
 
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Old Feb 13, 2015 | 04:44 AM
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Originally Posted by Bullitt390
Should easily see IPR @ 77%+ WOT.

Does your chart show 1400-1450 ICP @ 2500 rpm?

Josh
It shows ICP volts with an operating range of 0.15 to 4.7. Kind of gotten used to referring back to another chart for that.

It does show ICP desired in psi with 1400-1450 @ 2,500rpm.
 
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Old Feb 13, 2015 | 04:54 AM
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Originally Posted by Piolet
I can correct that value if needed.
Thanks Colm, I do use that chart and I could just write on it with a pen, but I do refer other people to it sometimes also. It would be nice if it were corrected.

I was a little concerned the current numbers may be right for the early trucks, but that doesn't appear to be the case.

The IPR % could be corrected and it would be nice if you could add ICP in psi.
I haven't had enough coffee this morning to post up the correct values. I can double check them later and post them up for you unless you know them.
 
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Old Feb 13, 2015 | 04:55 AM
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Originally Posted by Rusty Axlerod
Thanks Tim, I don't have much experience with the early trucks and this was buggin me. I was thinking maybe it just wrong across the board but remembered there's two different IPR part numbers. And started second guessing...
AFA the IPR's go, I've used both and could tell absolutely no difference except for the screen. Performance wise they are the same for me.
 
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Old Feb 13, 2015 | 10:50 PM
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My Chart say's 40.60 IPR at 2500rpm , ICP 2500rpm is 1400/1450 psi, volt's 1.8 .
 
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Old Feb 14, 2015 | 07:28 AM
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Hey Scott, is the list your using online somewhere?

The one Colm typed up for us is here:
https://www.ford-trucks.com/forums/a...1&d=1364848489

I didn't get back to this yesterday, forgot about an appointment after work to get our taxes done. Went out to dinner afterwards. Marigrita's are awesome yesterday (not so much this morning ).
 
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Old Feb 14, 2015 | 07:46 AM
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ICP desired should be changed to reflect early and late engines; 625 for early and 580 for late.

ICP Volts should be labeled to show volts and show a range of .16-.28 KOEO

Josh
 
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