Is AEM FIC a viable NA tuning solution?...
#1
Is AEM FIC a viable NA tuning solution?...
Or should I just plan on buying the new JnR standalone ECU if I want a J series tune?
Insight and knowledge welcome in this thread, thanks.
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#2
All motor
If wired correctly, yes. It has been a viable solution for some time now. Not many people have it tuning correctly though as far as I know, so it may be harder than I'm making it out to be. I'm not exactly sure. I have the FI/C and will be tuning shortly. I just need a wideband.
The J&R is a better tuning solution, end of story. It is a FULL standalone system and you CAN advance timing. The only thing the FI/C lacks is the ability to advance timing on these motors. The J&R will give you more power, but with more $$ as well. The choice is yours.
The J&R is a better tuning solution, end of story. It is a FULL standalone system and you CAN advance timing. The only thing the FI/C lacks is the ability to advance timing on these motors. The J&R will give you more power, but with more $$ as well. The choice is yours.
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TLdream (08-03-2011)
#3
Instructor
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If wired correctly, yes. It has been a viable solution for some time now. Not many people have it tuning correctly though as far as I know, so it may be harder than I'm making it out to be. I'm not exactly sure. I have the FI/C and will be tuning shortly. I just need a wideband.
The J&R is a better tuning solution, end of story. It is a FULL standalone system and you CAN advance timing. The only thing the FI/C lacks is the ability to advance timing on these motors. The J&R will give you more power, but with more $$ as well. The choice is yours.
The J&R is a better tuning solution, end of story. It is a FULL standalone system and you CAN advance timing. The only thing the FI/C lacks is the ability to advance timing on these motors. The J&R will give you more power, but with more $$ as well. The choice is yours.
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#8
All motor
It's hard to say really because there haven't been any before/after dynos. I'd assume within the range of 10-12whp throughout the powerband, maybe 7-8 peak on a 6MT. On a 5AT maybe 8-10whp and 5-6 peak. I'm not really sure. Add the PCDs to that and I'd expect a little more.
#9
It's hard to say really because there haven't been any before/after dynos. I'd assume within the range of 10-12whp throughout the powerband, maybe 7-8 peak on a 6MT. On a 5AT maybe 8-10whp and 5-6 peak. I'm not really sure. Add the PCDs to that and I'd expect a little more.
So if I have full bolt-ons, I can expect another 10-15 whp on top of that once tuned with FIC?
Last edited by DisgustipatedAP1; 08-16-2011 at 07:12 PM.
#11
takin care of Business in
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#12
#13
All motor
True. The FIC is just much cheaper than the J&R ECU. You can buy it brand new plus wideband AND get tuned for the price of just the J&R ECU itself. But it also can't do what the J&R ECU can.
#15
Interesting. I thought I had read for N/A guys though, that the price of either these weren't really worth the gains unless you were running forced induction already.
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#16
18psi
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I really cant see you gaining much from the fic when your just bolted. What is the a/f on a stock tl under wot? 13.xx?? How much leaner do you want to go just to gain a few hp? The leaner you go the more likely your going to get some knock. If that happens timing will be retarded anyway and youll lose more power then you would of had if you just stayed with the oem ecu
Tuning the fic is rather easy and I actually taught myself. If anyone needs some help let me know
Tuning the fic is rather easy and I actually taught myself. If anyone needs some help let me know
#18
Drifting
iTrader: (1)
I really cant see you gaining much from the fic when your just bolted. What is the a/f on a stock tl under wot? 13.xx?? How much leaner do you want to go just to gain a few hp? The leaner you go the more likely your going to get some knock. If that happens timing will be retarded anyway and youll lose more power then you would of had if you just stayed with the oem ecu
Tuning the fic is rather easy and I actually taught myself. If anyone needs some help let me know
Tuning the fic is rather easy and I actually taught myself. If anyone needs some help let me know
#19
All motor
I really cant see you gaining much from the fic when your just bolted. What is the a/f on a stock tl under wot? 13.xx?? How much leaner do you want to go just to gain a few hp? The leaner you go the more likely your going to get some knock. If that happens timing will be retarded anyway and youll lose more power then you would of had if you just stayed with the oem ecu
Tuning the fic is rather easy and I actually taught myself. If anyone needs some help let me know
Tuning the fic is rather easy and I actually taught myself. If anyone needs some help let me know
I haven't been getting any carbon buildup on my bumper though like I have in the past. After my 3in catback I haven't really seen any residue. I'm still confident a 10whp/tq gain across the band can be seen with the FIC. That's a large gain in any respect.
Last edited by Sonnick; 08-18-2011 at 09:24 AM.
#20
04Tl
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Their is power to be ganied on a bolted j series just through the afr. someone hook a wideband to there car while there fully bolted and tell me their afr, my car was running extremely rich under wot. you will gain a noticeable amount with an afr tune on our cars.
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ctm519 (03-17-2020)
#21
Advanced
So does this make our NA cars run leaner essentially? sorry for the noob questions. And the one that firs our cars, I assume its the
Fuel & Ignition Controller for Honda & Acura w/MAG Pick Up. part number 30-1911?
Fuel & Ignition Controller for Honda & Acura w/MAG Pick Up. part number 30-1911?
#24
18psi
iTrader: (7)
The ECU adjusts to run richer in most cases. I don't think it's that lean under WOT. Plus the PCDs make the car run richer, don't they? I've heard as high as 16-17 on some setups!
I haven't been getting any carbon buildup on my bumper though like I have in the past. After my 3in catback I haven't really seen any residue. I'm still confident a 10whp/tq gain across the band can be seen with the FIC. That's a large gain in any respect.
I haven't been getting any carbon buildup on my bumper though like I have in the past. After my 3in catback I haven't really seen any residue. I'm still confident a 10whp/tq gain across the band can be seen with the FIC. That's a large gain in any respect.
If your not getting carbon buildup on your bumper then your car is running lean. My turbo tl would have black sh't all along the lower bumper after a week of running b/c it was so rich.
#25
Think about it: Air/Fuel Ratio.
16-17 parts air per 1 part of fuel. 17:1 would be wayyy more air than fuel. Whereas 12:1 Air:Fuel would be running rich.
I would think 16-17:1 is pretty close to the danger zone of running so lean that you're going to damage your engine.
#26
Drifting
iTrader: (1)
sigh.... no. if you have too much timing, yeah, it doesn't ignite the A/F charge, then you get knock. if you don't have enough advance, you get spark knock or full knock. there is a window to shoot for, and you want as much advance as possible pushing that edge. that's where a tune will make power. advance makes more because the a/f charge gets to burn more in the cylinder before the valves open.
boosted tuning follows stricter guidelines in terms of safety when compared to NA. the cylinder temps are through the roof comparedly, so if you can do it on a boosted engine, you can do it to an NA without much worrying. i'm talking stress levels and crap like that.
Yup...
Think about it: Air/Fuel Ratio.
16-17 parts air per 1 part of fuel. 17:1 would be wayyy more air than fuel. Whereas 12:1 Air:Fuel would be running rich.
I would think 16-17:1 is pretty close to the danger zone of running so lean that you're going to damage your engine.
Think about it: Air/Fuel Ratio.
16-17 parts air per 1 part of fuel. 17:1 would be wayyy more air than fuel. Whereas 12:1 Air:Fuel would be running rich.
I would think 16-17:1 is pretty close to the danger zone of running so lean that you're going to damage your engine.
#27
All motor
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My current CAI has a hole in it and my new one is getting here today. I should be installing it this weekend
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I think all motor J series are tuned for around 13:1 WOT. That's what I've heard from Paul.
#29
If wired correctly, yes. It has been a viable solution for some time now. Not many people have it tuning correctly though as far as I know, so it may be harder than I'm making it out to be. I'm not exactly sure. I have the FI/C and will be tuning shortly. I just need a wideband.
The J&R is a better tuning solution, end of story. It is a FULL standalone system and you CAN advance timing. The only thing the FI/C lacks is the ability to advance timing on these motors. The J&R will give you more power, but with more $$ as well. The choice is yours.
The J&R is a better tuning solution, end of story. It is a FULL standalone system and you CAN advance timing. The only thing the FI/C lacks is the ability to advance timing on these motors. The J&R will give you more power, but with more $$ as well. The choice is yours.
In response to the AEM FIC, I have it tuned correctly and running the car well for a couple thousand miles now. I can honestly say very few tuners in the northeast know what they are doing when it comes to tuning on the J series platform, and even fewer know how to setup the FIC to run the car without throwing check engine lights, without blowing 2 sensors, etc. I personally had mine tuned by NVA-AV6 considering he built my motor and did my trans swap, so I was fortunate enough to be in that situation. I had a few tuners try to tune, and most didn't know what they were doing (11.0 AFR at WOT on an NA car, messing with ignition timing, etc)
#30
All motor
Kevin, the tune was noticeable throughout the band, correct?
I agree with this. However, most of the problems with tuning is that the FIC is wired incorrectly. But I can understand (and have heard stories) of multiple tuners not knowing how to tune the J.
I have been talking to/emailing a member over on about it, who has successfully tuned a couple J cars who seems to be very knowledgeable about it. He is helping me get the FIC wired correctly (the seller told me it was wired fine and his car was tuned, but he lied
), and once I do so, I will try to tune on my own. He said he would help me get it started and even with some maps, so I'm confident I'll be able to do an 'ok' street tune for the time being.
I won't be able to start probably until the end of fall anyway, so I will have all winter to try to tune it for the spring. Then, I may try to get it tuned and see what happens. I really don't want to take a trip down to VA and have Paul tune it. That would be really impractical for me.
In response to the AEM FIC, I have it tuned correctly and running the car well for a couple thousand miles now. I can honestly say very few tuners in the northeast know what they are doing when it comes to tuning on the J series platform, and even fewer know how to setup the FIC to run the car without throwing check engine lights, without blowing 2 sensors, etc. I personally had mine tuned by NVA-AV6 considering he built my motor and did my trans swap, so I was fortunate enough to be in that situation. I had a few tuners try to tune, and most didn't know what they were doing (11.0 AFR at WOT on an NA car, messing with ignition timing, etc)
I have been talking to/emailing a member over on about it, who has successfully tuned a couple J cars who seems to be very knowledgeable about it. He is helping me get the FIC wired correctly (the seller told me it was wired fine and his car was tuned, but he lied
![Roll Eyes](https://acurazine.com/forums/images/smilies/rolleyes.gif)
I won't be able to start probably until the end of fall anyway, so I will have all winter to try to tune it for the spring. Then, I may try to get it tuned and see what happens. I really don't want to take a trip down to VA and have Paul tune it. That would be really impractical for me.
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