RC 1000cc Injectors
#421132
January 23, 2014 12:54 pm UTC
January 23, 2014 12:54 pm UTC
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Joined: Oct 2010
Posts: 9,968 Caledon, Ontario, Canada
Bryan Lawrence
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So these injectors don't seem to be the most popular as trying to find data on them is very difficult. I spent the summer tuning the car and with everything set in the log I have linked the car idled great and it cruised great. This was all done following the guide "tuning a 1g sd car with no maf" The car is still cruising great but the idle is really rich, afr is sitting around 12. Before I go adjusting the SD table with CombinedFT I was hoping to get some comments on my injector setting. Oh and my front02 sim is not cycling. Global = -48.8 and deadtime = 45 https://www.dropbox.com/s/qylj50qtfgg1unx/log.2013.12.28-01.elg
"Old Blue" 91 Talon TSi AWD "Super Enthusiast" 91 Talon TSi AWD Checkout DSMFAQ.com!
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421138
January 23, 2014 04:01 pm UTC
January 23, 2014 04:01 pm UTC
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Bryan Lawrence
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Hm ok I will do the update later, i didn't think I was that behind.
That's what I got to when tuning, if your STFT Lo is negative that means I need to lower my deadtime. I even started my injectors in the 350 range and after tuning ended at 45. I got to my global through wot tuning, so either these injectors don't flow anything near what they do. That's why I am getting frustrated with them.
Just noticed my SDAirflowPerRev, so I am thinking I can go ahead with make the SD changes. I just want to know if anyone else has the same issue I am having with big injectors.
"Old Blue" 91 Talon TSi AWD "Super Enthusiast" 91 Talon TSi AWD Checkout DSMFAQ.com!
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421139
January 23, 2014 04:38 pm UTC
January 23, 2014 04:38 pm UTC
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Joined: Apr 2006
Posts: 3,873 Los Angeles, California
Alex Akachinskiy
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Hm ok I will do the update later, i didn't think I was that behind.
That's what I got to when tuning, if your STFT Lo is negative that means I need to lower my deadtime. I even started my injectors in the 350 range and after tuning ended at 45. I got to my global through wot tuning, so either these injectors don't flow anything near what they do. That's why I am getting frustrated with them.
Just noticed my SDAirflowPerRev, so I am thinking I can go ahead with make the SD changes. I just want to know if anyone else has the same issue I am having with big injectors. I recommend you stay away from WOT tuning until you get idle/cruise straight out first. I am also running big injectors similar to yours as well as Terry S. I've noticed your pump is set always on. why? Overall I think your setup is complex to start with. You have SD and front O2 simulated from wideband. Do you have an option to use stock MAF just to get things under control again? I got to my global through wot tuning, so either these injectors don't flow anything near what they do. That's why I am getting frustrated with them. That's why I always recommend to start with idle/cruise first. Your ECU can compensate your tune mistakes so you can't blow it up easily. At WOT fuel compensation is disabled. As said many times before, mechanical problems will cause tuning frustration. You'll need to be absolutely sure your fuel system is working properly and there are no major boost/vacuum leaks. Faulty FPR, FP Gauge, or leaky pump o-ring will cause fuel problems. I would first reset your SD table to defaults (use stock MAF if you can) and start tuning only with Global & deadtimes. You want your [CombinedFT], [LTFT LO], and [LTFT Hi] stabilized first and than you fine tune them with SD table. Try getting them within 5 to 7%(+-) average first.
1996 Eagle Talon TSi AWD 1999 Eclipse GST Automagic 1991 3000GT VR-4
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421141
January 23, 2014 04:50 pm UTC
January 23, 2014 04:50 pm UTC
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Bryan Lawrence
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I had idle/cruise down great during the summer. Just for starting purposes and for when I want to check fuel pressure.
I am thinking about putting in the stock maf or Terry has offered his 3" so I may do that and setup the table using those.
Ok looks like that the best option so far, will look into getting a maf hooked up and setup my SD table like that, when I originally made the switch I just did it cold turkey.
"Old Blue" 91 Talon TSi AWD "Super Enthusiast" 91 Talon TSi AWD Checkout DSMFAQ.com!
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421142
January 23, 2014 05:19 pm UTC
January 23, 2014 05:19 pm UTC
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Joined: Jun 2012
Posts: 2,669 Toronto, Ontario
Stephan Tanchak
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Is your idle always at 12:1?
My idle is at 12:1 a little after initial startup, then after driving, the idle goes to where it should, around 14.7-14.8:1.
Also, on my first pull, the afr's go to about 10.0:1, but are fine thereafter.
Do you get that too Bryan?
1998 Eclipse GSX Spyder 11.5@124 AWD Talons: 1992, 1993, 1997, 1998
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421143
January 23, 2014 05:37 pm UTC
January 23, 2014 05:37 pm UTC
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Bryan Lawrence
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It is now, but in the summer everything was perfect.
Is it your tipin?
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421146
January 23, 2014 06:41 pm UTC
January 23, 2014 06:41 pm UTC
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Joined: Jun 2012
Posts: 2,669 Toronto, Ontario
Stephan Tanchak
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Could be the tip-in. I was playing with the adjustments and its been getting slightly better, but after the first pull, it's fine. Have to fix the exhaust before I do anything else though.
1998 Eclipse GSX Spyder 11.5@124 AWD Talons: 1992, 1993, 1997, 1998
Team Big Turbo
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421187
January 24, 2014 12:22 pm UTC
January 24, 2014 12:22 pm UTC
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Bryan Lawrence
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No I haven't Stephan, I don't have my 450s anymore so I don't have anything to run with if I take these out. I think I might just take the maf route, it's going to get my SD table perfect(at least I hope) and in the process my fuel trims should be setup well too.
Jroslaw, if I didn't spend hours tuning my car in the summer to line everything up I would agree with you. You don't make changes to the SD table if it means that the SD table is going to have values well over 100.
"Old Blue" 91 Talon TSi AWD "Super Enthusiast" 91 Talon TSi AWD Checkout DSMFAQ.com!
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421191
January 24, 2014 01:19 pm UTC
January 24, 2014 01:19 pm UTC
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Bryan Lawrence
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Yeah give me a few hours, I will go through my logs and link one.
"Old Blue" 91 Talon TSi AWD "Super Enthusiast" 91 Talon TSi AWD Checkout DSMFAQ.com!
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421194
January 24, 2014 02:34 pm UTC
January 24, 2014 02:34 pm UTC
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Bryan Lawrence
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"Old Blue" 91 Talon TSi AWD "Super Enthusiast" 91 Talon TSi AWD Checkout DSMFAQ.com!
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421196
January 24, 2014 02:42 pm UTC
January 24, 2014 02:42 pm UTC
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Bryan Lawrence
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Thanks Rob and Nick, I didn't realize this was an issue. Rob thanks for calling me on that one, haha. Will do an update today before I head out and then go for a cruise and see how it looks afterwards.
"Old Blue" 91 Talon TSi AWD "Super Enthusiast" 91 Talon TSi AWD Checkout DSMFAQ.com!
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421204
January 24, 2014 06:07 pm UTC
January 24, 2014 06:07 pm UTC
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Bryan Lawrence
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ok upgrade is done, will let you all know how today goes.
"Old Blue" 91 Talon TSi AWD "Super Enthusiast" 91 Talon TSi AWD Checkout DSMFAQ.com!
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421243
January 25, 2014 03:15 pm UTC
January 25, 2014 03:15 pm UTC
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Bryan Lawrence
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I didn't end up going out last night, I will probably head out in a little bit and post up the log. Thanks for the help guys.
"Old Blue" 91 Talon TSi AWD "Super Enthusiast" 91 Talon TSi AWD Checkout DSMFAQ.com!
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421247
January 25, 2014 05:16 pm UTC
January 25, 2014 05:16 pm UTC
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Joined: Oct 2010
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Bryan Lawrence
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I think I did a return because my STFT wasn't around 0 anymore I think today I will be doing some tuning, and enjoying the snow
"Old Blue" 91 Talon TSi AWD "Super Enthusiast" 91 Talon TSi AWD Checkout DSMFAQ.com!
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421253
January 25, 2014 09:35 pm UTC
January 25, 2014 09:35 pm UTC
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Bryan Lawrence
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"Old Blue" 91 Talon TSi AWD "Super Enthusiast" 91 Talon TSi AWD Checkout DSMFAQ.com!
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421259
January 25, 2014 11:16 pm UTC
January 25, 2014 11:16 pm UTC
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Joined: Oct 2012
Posts: 35 Ancaster, ON
Nick Colonna
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two things I'm going to suggest to start with. It looks like you have a vacuum/boost leak. Idle is high and surging with ISCpostion at 0. It would be best to fix that. Second, contrary to that article written by highboost, the loadscale should be 100% for a 2L. If you follow the history of where the 114.8% number came from, you'll see that a bug was found in the code, and when the bug was fixed, they needed to put that value in there to prevent people's tunes from changing during a firmware upgrade. Anybody starting from scratch with the newer (bug free) firmware should just use the proper value.
You said you adjusted global fuel based on WOT which I agree with in general, but it looks like you may be compensating for a fuel delivery problem with a global fuel value that is too large (less negative). this may explain the low deadtime and low airflow/rev at idle. Do you have any way to monitor or log fuel pressure?
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421263
January 26, 2014 05:09 am UTC
January 26, 2014 05:09 am UTC
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Bryan Lawrence
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Nick the boost leak is the throttle body so I am going to get that fixed soon cause I keep putting it off.
Hm, I am hoping that it's not my fuel pressure regulator, I have not been having much luck with them. I currently don't have anything to log it and was searching for a way previously to do so with link but it seems not many people have done this. The other thing I can think of is the issue with broken studs on the sending unit, but from what I can tell when filling up the tank, it is sealing.
Ok I will disable the idle switch and just have it simulated. Ok will grab an idle log and see how that looks.
"Old Blue" 91 Talon TSi AWD "Super Enthusiast" 91 Talon TSi AWD Checkout DSMFAQ.com!
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421274
January 26, 2014 07:08 pm UTC
January 26, 2014 07:08 pm UTC
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Bryan Lawrence
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Good call nick, I will give that a try and see if that work, will need to figure out a way to add some air pressure to the afpr, in a controllable way.
ECMLink lite RC 1000s Fuel lab AFPR -6 an tank to rail (with aftermarket filter) Walboro 255 hp
"Old Blue" 91 Talon TSi AWD "Super Enthusiast" 91 Talon TSi AWD Checkout DSMFAQ.com!
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421287
January 26, 2014 10:04 pm UTC
January 26, 2014 10:04 pm UTC
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Bryan Lawrence
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Well I just tested with just boost, using the compressor and everything looks good. I will go take a look at CTC for a vacuum pump, also going to start fresh today and see how that looks afterwards.
"Old Blue" 91 Talon TSi AWD "Super Enthusiast" 91 Talon TSi AWD Checkout DSMFAQ.com!
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421288
January 26, 2014 10:09 pm UTC
January 26, 2014 10:09 pm UTC
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Bryan Lawrence
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"Old Blue" 91 Talon TSi AWD "Super Enthusiast" 91 Talon TSi AWD Checkout DSMFAQ.com!
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421307
January 27, 2014 02:17 am UTC
January 27, 2014 02:17 am UTC
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Bryan Lawrence
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LOL well than I am good there!
No they weren't brand new but I was told there was only 5000k on them, there were from Sven.
Also I remembered why the logs I gave you were different. After that summer one I was doing a bunch of WOT tuning and trying to get my AFR lined up with the est, the global that it's at now did that. Maybe when the roads are nice and clean I will do another WOT and see if that is still the case.
"Old Blue" 91 Talon TSi AWD "Super Enthusiast" 91 Talon TSi AWD Checkout DSMFAQ.com!
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421317
January 27, 2014 12:19 pm UTC
January 27, 2014 12:19 pm UTC
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Bryan Lawrence
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Here is the last log of the month the pull at the end lines up through the pull but there are still miss matches through the rest. https://www.dropbox.com/s/ap1nw4i6vuobp8f/log.2013.06.17-04.elg
"Old Blue" 91 Talon TSi AWD "Super Enthusiast" 91 Talon TSi AWD Checkout DSMFAQ.com!
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Re: RC 1000cc Injectors
[Re: Bryan Lawrence]
#421343
January 28, 2014 02:30 am UTC
January 28, 2014 02:30 am UTC
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Joined: Oct 2010
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Bryan Lawrence
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Yeah it's possible that it needs calibration, I can do it tomorrow and see if that makes a difference. I am not sure how to wire it in if I did that, I cut the line for the stock o2 to put the wideband in. I will double check again it drops about 10 (it's supposed the be a half psi for every hg of vacuum right?)
"Old Blue" 91 Talon TSi AWD "Super Enthusiast" 91 Talon TSi AWD Checkout DSMFAQ.com!
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