Injector? Issues
Post Fiend
Joined: Sep 2006
Posts: 7,426
Likes: 6
From: Sioux Falls, SD
Sorry if the graphs seem fuzzy or hard to read, most of these are 5-10 years old and back then I had to transfer the data from Auto Enginuity to Excel and could only make 2 axis graphs......so there is one benefit to the new Auto Enginuity software upgrades 
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Post Fiend
Joined: Sep 2006
Posts: 7,426
Likes: 6
From: Sioux Falls, SD
It depends on what the program/tune is asking for. In stock you should see about 2600-2700. In my tow tunes from Tony I see 3,000-3100. Others with dual HPOP setups have run high ICP programs 3500+
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Laughing Gas
Joined: Oct 2012
Posts: 872
Likes: 18
From: Jasper, Mn
I was concerned that the ICP spike when I left off the pedal was maybe a little too high, but I saw it replicated on one of the other runs you showed, so it must not be too bad. 
It is pretty sweet to see what ICP and IPR does with all these different setups, never really appreciated how it all worked before.
I was talking to Rich on the phone earlier about all this, and we got to thinking that my original issue that was the reason for this post hasn't been explained yet, nor has it shown back up yet, so I will have to keep an eye out for that. Also, the reason for the low IPR DC at idle hasn't been definitively answered yet either. From what Rich and I have gathered in our data runs and Rich's research, it does not appear to have ill effects on anything. However I would like to know what is causing this, so if I get the chance I may try to swap out the IPR with a known good one and see what kind of DC readings I get then.
Baatzy
It is pretty sweet to see what ICP and IPR does with all these different setups, never really appreciated how it all worked before.
I was talking to Rich on the phone earlier about all this, and we got to thinking that my original issue that was the reason for this post hasn't been explained yet, nor has it shown back up yet, so I will have to keep an eye out for that. Also, the reason for the low IPR DC at idle hasn't been definitively answered yet either. From what Rich and I have gathered in our data runs and Rich's research, it does not appear to have ill effects on anything. However I would like to know what is causing this, so if I get the chance I may try to swap out the IPR with a known good one and see what kind of DC readings I get then.
Baatzy
Hotshot
Joined: Jan 2011
Posts: 18,849
Likes: 179
From: Puget Sound
I'm sorry Rich - I got a big wet bite of this one, so I need to jump in. I was flat-lining at 1700-1800 PSI on a hot tune, so I dropped in a T500 - as was recommended by the tuner. I gained 700 PSI - about 2400-2500 PSI flat-line in same tune and 75% IPR. Big whoop - the target was 3000 PSI. The tuning needs to be corrected.
Post Fiend
Joined: Sep 2006
Posts: 7,426
Likes: 6
From: Sioux Falls, SD
I'm sorry Rich - I got a big wet bite of this one, so I need to jump in. I was flat-lining at 1700-1800 PSI on a hot tune, so I dropped in a T500 - as was recommended by the tuner. I gained 700 PSI - about 2400-2500 PSI flat-line in same tune and 75% IPR. Big whoop - the target was 3000 PSI. The tuning needs to be corrected.
. The more info the better, no one person has or probably can try every combination or tuner.Was this graph with stock injectors as well?
Post Fiend
Joined: Sep 2006
Posts: 7,426
Likes: 6
From: Sioux Falls, SD
Edit:
But with single shot & hybrid injectors why do we see such a drastic change in the Duty Cycle? When I changed from stock injectors to the 175/0's my numbers sure did change alot - still have the stock HPOP......all in the tuning?
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Hotshot
Joined: Jan 2011
Posts: 18,849
Likes: 179
From: Puget Sound
I haven't looked at 0-60 since all the mods, but it's much faster now. I'm not the race type, I'm the get past the friggin' pokie on a grade type - that's more of a 50-80 thing.
Hotshot
Joined: Jan 2011
Posts: 18,849
Likes: 179
From: Puget Sound
Yeah... those were stockers. I figured it would be best to compare apple and apple. My graphs have morphed through all the changes. I went from massive exhaust leaks and a boogered MAP mod by the PO, through many upgrades/repairs in stages, to a live-tuned 100% beast with Stage IIs. I won't share my Cody data, too many secret recipes in there.
Post Fiend
Joined: Sep 2006
Posts: 7,426
Likes: 6
From: Sioux Falls, SD
Thanks Rich......
So the consensus is that in Baatzy's ICP & Duty Cycle data (80 HP tune) that this is pretty much expected with his stock setup????????????
Now we just need to figure out where his power loss came from and catch it with A & E when it actually happens.
So the consensus is that in Baatzy's ICP & Duty Cycle data (80 HP tune) that this is pretty much expected with his stock setup????????????
Now we just need to figure out where his power loss came from and catch it with A & E when it actually happens.
Hotshot
Joined: Jan 2011
Posts: 18,849
Likes: 179
From: Puget Sound
It is expected with a hot tune on his truck, but the hot tune is not "expected". A simple matter of backing off the throttle to about 2/3rds will yield more ICP, cooler EGTs, and better acceleration than WOT. This is a form of manually de-tuning the truck to compensate for a hot tune. I have piles of very explicit data that shows how this works, I just need to find it all.
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