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how to correct going rich on decel

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Old 09-24-2013, 10:42 PM
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uhhm. it says all data is rated for 43.5 psi. and a 0 kpa manifold vacuum the flow is 92.4lb/hr. am i missing something here?
Old 09-24-2013, 10:49 PM
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You need to look at the file name they sent you. Most likely it is the same file they sent me. On the main page, the first note is "All IFR data listed is noted in the filename. 3 bar=43.5psi ; 4 bar=58psi".

So the filename they sent me is [FIC_850cc_80_88LB_4BAR_ev14_HPT_rev_01.xlsx]

That is why the IFR is 92.4 in the zero column. It is already changed for 4 bar...
Old 09-24-2013, 10:56 PM
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hmm.. the first note on mine says:

All data listed is for 300kPa (43.5psi) ratings.


For 400kPa (58psi) ratings, multiply values by : 1.1547


and my filename is [FIC_850cc_80_88LB_ev14_HPT_rev_00.xlsx]

so it looks like we have different revisions.. mine is 00 yours is 01
Old 09-24-2013, 10:57 PM
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that is weird though, maybe i should email jon and ask him if my junk is actually correct
Old 09-24-2013, 11:02 PM
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Yea I would be interested to see what he says. Cause we have the exact same data in every table except the IFR and we both ordered 850cc injectors . Let me know what he says so I can correct mine if I am wrong.

I did notice that my injectors had an 80 engraved on each injector where the harness plugs in to. Did you see that on yours?
Old 09-25-2013, 01:08 AM
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I'll say it again... their data is probably incorrect, even if they did send you the correct file. I had to mess with their data to get my injectors to work properly, and that was after they sent me 3-4 files because they kept sending the wrong one. I had to reduce the offset table to drop the min pulsewidth.
Old 09-25-2013, 02:21 AM
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Hm... I've tuned several sets of FICs and they have all been flawless

Just run E85. Low pulse width behavior is great on the corn
Old 09-25-2013, 09:28 AM
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Wow, okay. I've been running the wrong IFR all this time lol. I don't understand it though as to why they would put "all data is listed for 43.5psi" on the first page. That just confuses the hell out of me. Anyways, I'm going to change that. Thanks for pointing that out to me oakley
Old 09-25-2013, 11:58 AM
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No problem man! That is why I like this board.

Are you running a turbo in your truck? What is your set up?
Old 09-25-2013, 01:38 PM
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yes sir. just did everything a couple months ago myself.

built 4l80e
3500 stall
eaton posi
s475 76mm compressor/87-81mm turbine with t4 1.10 ar
4 inch downpipe with full 4 inch exhaust
isky triple 12 cam

when i blow this one up, i wanna go to a forged 370


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