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APEX Super AFC digital Fuel Controller

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Old 06-14-2002, 10:22 AM
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APEX Super AFC digital Fuel Controller

Anybody have this? know exactly what it does for max, or what kinda gains or tradeoffs we get? I THINK i saw a picture of an interior with this in it, but not too sure. Just wondering. here's a site http://www.modacar.com/Merchant2/mer...an&Carb=Maxima
thanks for any help

Chung-Hsien
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Old 06-14-2002, 11:51 AM
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Re: APEX Super AFC digital Fuel Controller

Originally posted by xChungHsienx
Anybody have this? know exactly what it does for max, or what kinda gains or tradeoffs we get? I THINK i saw a picture of an interior with this in it, but not too sure. Just wondering. here's a site http://www.modacar.com/Merchant2/mer...an&Carb=Maxima
thanks for any help

Chung-Hsien
from what Ive seen on this site, all i can say about the super AFC is that it makes the big diff if u have a s/c max. but i havent heard much about gain on n/a motors. i was thinkin of gettin one as well but i dont know much about this mod so ill just stay away for the moment, just my .02
 
Old 06-14-2002, 12:00 PM
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yea same with me. i just dont know exactly what it does and how it'll help. anyone who knows any help would be appreciated. Thanks again.

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Old 06-14-2002, 12:09 PM
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I have one.

No real gains if you're not supercharged or juiced. Go to A'pexi's site for more info.
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Old 06-14-2002, 12:23 PM
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Originally posted by Y2KevSE
I have one.

No real gains if you're not supercharged or juiced. Go to A'pexi's site for more info.
Oh ok thanks. Wanted to know if it was worth even researching. Not planning on getting an SC or turbo so no point i guess.
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Old 06-14-2002, 12:36 PM
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Originally posted by Y2KevSE
I have one.

No real gains if you're not supercharged or juiced. Go to A'pexi's site for more info.
Does your ecu still override the s-afc's settings? If not, how'd you get around it?
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Old 06-14-2002, 12:42 PM
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Originally posted by Keh mon


Does your ecu still override the s-afc's settings? If not, how'd you get around it?
Nope.

lo-throttle = 39%
hi-throttle = 40%
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Old 06-14-2002, 12:49 PM
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Originally posted by Y2KevSE


Nope.

lo-throttle = 39%
hi-throttle = 40%
just a question kev, but what kind of gain were u lookin at once this unit was installed (at the wheels),and just curious how long did the install take for this? thanx
 
Old 06-14-2002, 01:00 PM
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Originally posted by 2K1HoMax


just a question kev, but what kind of gain were u lookin at once this unit was installed (at the wheels),and just curious how long did the install take for this? thanx
I never ran just the AFC on the dyno (ran it with water injection), so I can't give you an exact number. I would approximate about 10 whp if you're tuned correctly (supercharged or nitrous'ed).

I don't remember how long it took, but I would say no more that 1.5 hours from start to finish if you have the wiring diagram... and guess who has that? http://boostedmaximas.com/ecu_pins.jpg
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Old 06-14-2002, 01:17 PM
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Originally posted by Y2KevSE


Nope.

lo-throttle = 39%
hi-throttle = 40%
Nice
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Old 06-14-2002, 01:50 PM
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...

Originally posted by Y2KevSE


Nope.

lo-throttle = 39%
hi-throttle = 40%

Kev,

Would you mind explaining what that means?

I plan on "rice juice" someday and would like it if you would put together a write-up(Do you know what that is!?!) on how to install and "tune" it.

Thanks.
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Old 06-14-2002, 01:51 PM
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Originally posted by Y2KevSE


I never ran just the AFC on the dyno (ran it with water injection), so I can't give you an exact number. I would approximate about 10 whp if you're tuned correctly (supercharged or nitrous'ed).

I don't remember how long it took, but I would say no more that 1.5 hours from start to finish if you have the wiring diagram... and guess who has that? http://boostedmaximas.com/ecu_pins.jpg
why am i not surpized that u have those diagrams but still those are pretty decent gains. now heres something i was thinking of, its kinda off the subject but about the water injection u have installed, (im not tryin to hint anything here) wont it work better in intercooler piping . i think that an s/c intercooled combo aslong with the injection might actually give u the ability to run atleast higher psi with the stock internals wont it. or is this idea just bs and the i/c wouldhandle the job just find. one other thing i was curious about, the second post u had on the thread about 1/4 times http://forums.maxima.org/showthread....ater+injection
those wouldnt happen to be one of ur actual times would it.(yeah i know this is gettin long) and one last thing, u woulndt happen to know anything about how Ferhans rides coming along would u, last i heard he's gonna run an insane setup and that L10 tranny hes got in there can take up to 600hp of abuse if i got my #'s right. thanx for the info, peace
 
Old 06-14-2002, 02:25 PM
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Originally posted by 2K1HoMax


why am i not surpized that u have those diagrams but still those are pretty decent gains. now heres something i was thinking of, its kinda off the subject but about the water injection u have installed, (im not tryin to hint anything here) wont it work better in intercooler piping:-D . i think that an s/c intercooled combo aslong with the injection might actually give u the ability to run atleast higher psi with the stock internals wont it. or is this idea just bs and the i/c wouldhandle the job just find. one other thing i was curious about, the second post u had on the thread about 1/4 times http://forums.maxima.org/showthread....ater+injection
those wouldnt happen to be one of ur actual times would it.(yeah i know this is gettin long) and one last thing, u woulndt happen to know anything about how Ferhans rides coming along would u, last i heard he's gonna run an insane setup and that L10 tranny hes got in there can take up to 600hp of abuse if i got my #'s right. thanx for the info, peace
The cooling effect will work better if the water was injected before the IC, but the downside is you might get water stuck on the bottom of the IC.

at the time.

600 is a lot. Hope he has a spare engine lying around.
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Old 06-14-2002, 02:42 PM
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Originally posted by Y2KevSE


The cooling effect will work better if the water was injected before the IC, but the downside is you might get water stuck on the bottom of the IC.



600 is a lot. Hope he has a spare engine lying around.
well then forget the injection with the i/c then im just gathering info. and about ferhan, the tranny could handle 600hp is whats claimed form level10 and about the same torque range(maybe slightly lower) but i dont know how many hp hes gonna be runnin all i was told was his setup includes modded internal with N20 and the s/c if i remember the # correctly was in the 18-19psi range.
 
Old 06-14-2002, 03:05 PM
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Originally posted by Y2KevSE



600 is a lot. Hope he has a spare engine lying around.
He has a built engine. Its not yet done yet...Waiting for Cams and some engine bolts. Should be done soon though!!
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Old 06-14-2002, 03:12 PM
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Originally posted by MAX2000JP


He has a built engine. Its not yet done yet...Waiting for Cams and some engine bolts. Should be done soon though!!
ok cool, i knew what the end product was gonna be, but he didnt give me any details as to when its gonna be done and what parts hes waitin for, but he did mention 11's if he gets the traction by far that probably gonna be the biggest beast of a max around here. damn!
 
Old 06-14-2002, 04:11 PM
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Nice!

Wonder if he upgraded the SC because it won't boost that high. Neat stuff!
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Old 08-05-2002, 01:29 PM
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what did he upgrade his engine with??? the VQdet parts?

did he do his driveshafts yet?
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Old 09-11-2002, 06:26 AM
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Originally posted by Y2KevSE


if you have the wiring diagram... and guess who has that? http://boostedmaximas.com/ecu_pins.jpg
Kev,
Please help. Could you explain a few of the notations on the wiring diagram (http://boostedmaximas.com/ecu_pins.jpg).

I don't understand why there are so many G's (I assume grounds) marked, and what are boxes 86, 100, and 112?

UPDATE (per KEV) for ALL INTERESTED-
86 is the speed limiter connector (only needed for the Apexi Rev Speed Limiter, not the S-AFC)
110 & 112 are Ignition/Power slots
G's are grounds, pick one.
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Old 09-11-2002, 06:59 AM
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i had one a while back when my car was n/a and it didnt do anything.. maybe i should have installed it
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Old 09-11-2002, 07:39 AM
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Originally posted by Stikya


Kev,
Please help. Could you explain a few of the notations on the wiring diagram (http://boostedmaximas.com/ecu_pins.jpg).

I don't understand why there are so many G's (I assume grounds) marked, and what are boxes 86, 100, and 112?
I replied to your email (I'm a bit backed up on emails). Good luck!
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Old 02-01-2003, 10:36 AM
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Originally posted by Y2KevSE


I replied to your email (I'm a bit backed up on emails). Good luck!
Anyone have a wiring diagram for an S-AFC2???
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Old 02-01-2003, 12:54 PM
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farhan is only going to run bout 15psi until he converts to a different trim if possible.
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Old 02-01-2003, 07:04 PM
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Originally posted by Y2KevSE


Nope.

lo-throttle = 39%
hi-throttle = 40%
DOn't you mean neg 39 and neg 40??
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Old 02-01-2003, 09:12 PM
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what do those numbers mean exactly. im curious because ill be getting my Nitrous Setup pretty soon and wonder if that will help me any.
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Old 02-01-2003, 11:38 PM
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Originally posted by Dario
what do those numbers mean exactly. im curious because ill be getting my Nitrous Setup pretty soon and wonder if that will help me any.
Adding or subtracting a certain amount of fuel to the mixture.
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Old 02-01-2003, 11:59 PM
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Originally posted by max'n out


DOn't you mean neg 39 and neg 40??
No.
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Old 02-02-2003, 12:31 AM
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Originally posted by Y2KevSE


No.
So you ran an additional 40 percent with the 8:1. Last i Knew you where down 20 percent.
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Old 02-02-2003, 12:41 AM
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Originally posted by max'n out


So you ran an additional 40 percent with the 8:1. Last i Knew you where down 20 percent.
Read again... Hi-throttle 40% and lo-throttle 39%. Go through the "Etc." path and you'll understand what I'm talking about.
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