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Old April 17th, 2005, 07:43 PM  
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Apexi V-AFC II question

Hey.. im about to get a apexi v-afc in the next week..i was just woundering about the install price and the tuneing price!!! and if anyone had pictures of where their V-AFC is placed in their 7th gen av6!!!! pictures please!! i need as much info as possible!
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Old April 17th, 2005, 08:05 PM  
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I only know one person on here who has it, and that's Sick6speed.

perhaps he can help you? try sending him a PM.
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Old April 17th, 2005, 08:29 PM  
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brex has it as well.
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Old April 17th, 2005, 08:35 PM  
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I have one but tis for my AV6, install price will vary from place to place but $75 is the norm. Tuning will run you about $125-$150 depending on the shop. If you need anything else let me know.
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Old April 17th, 2005, 09:17 PM  
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hey wat is that and is it avail for i4
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Old April 17th, 2005, 11:28 PM  
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Quote:
Originally Posted by 03c0upe
hey wat is that and is it avail for i4
apexi v afc is for all hondas with vtec engine. u need the v afc2 for i4 since the v afc2 works with vtec and ivtec. it regulates the air ratio or something, too tired to try to put everything into words lol. u can google it up for better info. yes brex and sickspeed has them. brex has it wired with the plug n play kit where as andrew has it hardwired to his car in the compartment with the flip up door below the center console. this is a mod that is better with more bolt on parts so if u dont already have exhaust/cai, get that first. brex said he got a 5 whp gain after dyno.
the price of hte v afc itselt is around $220-270 depends on where u get it. and dyno tuning is about $100 or so. im not sure what shops charge to install.
with the talk of the unichip releasing soon, it might be worth it to wait until the summer and see if it really comes out and not jump on the v afc now...........
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Old April 17th, 2005, 11:29 PM  
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What is V-AFC for?
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Old April 17th, 2005, 11:33 PM  
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vafc is by apexi, it's for tuning vtec engagement and also the air/fuel ratio...take the first letter of each and u get v-a-f...c is for controller...

safc is the same thing, but for none vtec vehicles...i have no idea what the s means..but it's there to look cool i guess..

there's also a avc-r which is the electronic boost controller (turbo vehicles)
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Old April 18th, 2005, 01:00 AM  
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wj4 (wis) put it just about right..

my install was $0 since i used a plug and play kit from Frog.. which a member here custom made it with Frog. I think u can also get it for like $150 directly from Frog.

tuning varies from place to place.. andrew hooked me up with his dyno shop, and it costs like $100 i think.. frankly.. i don't remember.. but $150 to $200 seems to be the norm.
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Old April 18th, 2005, 08:30 PM  
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what are some prices you got the apexi;s v-afc for??
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Old April 18th, 2005, 09:26 PM  
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i got mine used with pnp harness from a member here. somewhere around 300 total i think..
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Old April 19th, 2005, 08:31 PM  
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what does a pnp harness do?? and i was told that the v-afc is jus a plug n play and no tunning is needed to have maximum performance...?? is this true or false??
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Old April 19th, 2005, 08:48 PM  
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Quote:
Originally Posted by o0amazinazn0o
what does a pnp harness do?? and i was told that the v-afc is jus a plug n play and no tunning is needed to have maximum performance...?? is this true or false??
false. u need pnp which is short of Plug N play harness to truely make it plug and play. without it, youre going to need to hardwire it directly into the ecu.
and no tuning needed? whoever told u that doesnt know what theyre talking about. its not a peice of metal like exhaust or intake...its a complex peice of machine that needs to be programmed to gain hp
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Old April 20th, 2005, 07:13 PM  
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Yeah, you definetly are gonna need to get it tuned. I paid $250.00 for install and tuning, its a decent gain in hp, if you already have all the bolt-ons. I have had many compliments on it just for looks even though the performance gain is minimal. Mine is installed in the sunglass holder in the headliner, in case you could'nt tell by the poor picture.

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Old April 21st, 2005, 07:36 AM  
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What is your ID on Cardomian. I would like to see more pics of your car. Like the front grill install and the more pics of your sunglass visor install, wear and how did you run the wires?
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Old April 21st, 2005, 10:51 PM  
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actually, the vafc2 wont work on the I4. our ivtec is fundamentally different from the K20 ivtec, and if you check the japanese installation manual (updated nov 30, 2004), the K24 isn't listed. however, the K24 is listed under the safc2, so you know that they have tried it with both. projpat on AT called apexi while he was collecting his turbo stuff, and they confirmed that we can only use the safc2.
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Old April 22nd, 2005, 01:11 PM  
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So you gain whp but what about gas milage? does it get better or worse?
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Old April 22nd, 2005, 02:26 PM  
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question on the side: VAFC useless if we get UNICHIP (when it comes out?) can the VAFC be used in conjunction with the UNICHIP or is that pointless since both regulate your fuel/air ratio.
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Old April 22nd, 2005, 05:07 PM  
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vafc will probablyu conflict with unichip, tho i hope to continue use it as a gauge (it has somewhat nice display) without touching the a/f map.. we shall see..
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Old April 22nd, 2005, 06:51 PM  
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hmm ic ic, i shall wait for the chip then, since the chip will get more gains hopefully... =) thx for the reply.
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Old April 22nd, 2005, 08:02 PM  
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Quote:
Originally Posted by $ilverbullet
hmm ic ic, i shall wait for the chip then, since the chip will get more gains hopefully... =) thx for the reply.
yeah, there is no doubt unichip will make more gain, besides a/f tuning, the next best improvement in ecu tuning is from tinkering with timing.. which vafc can not do
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Old April 22nd, 2005, 10:37 PM  
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Quote:
Originally Posted by o0amazinazn0o
what does a pnp harness do?? and i was told that the v-afc is jus a plug n play and no tunning is needed to have maximum performance...?? is this true or false??
Who told you that.

VAFC allows you to change VTEC crossover settings(low cam -> high cam, high cam -> low cam),
and also allows you to tune AF ratio map.
You gain HP/TQ by tuning. Specifically, by changing VTEC crossover setting
to see which vtec crossover RPM the motor creates best flat power curve,
and tune Air&Fuel ratio from there. They usually "tune" the vehicle to
run "lean"(less fuel, more air) as honda vehicles have tendancy to run very rich.

You would want to go to a tuning shop equipped with Dyno and wideband o2 sensor to get it tuned.

but VAFC tuning capability is VERY limited compare to such management program
as Greddy e-manage, AEM EMS(best), uberdata, hondata, Unichip, etc etc.
Since unichip that V6P sells is already tuned to specific vehicle application(AV6),
its another great option.

Hey Brex, how much whp/wtq did you gain after VAFC2 tuning?

Last edited by HwaNi.J30A-C; April 22nd, 2005 at 10:40 PM..
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Old April 25th, 2005, 03:56 PM  
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Originally Posted by TorontoV6
What is your ID on Cardomian. I would like to see more pics of your car. Like the front grill install and the more pics of your sunglass visor install, wear and how did you run the wires?
homepage link

There is the link to my homepage. The wires were ran through the floor of the passangers seat up the side of the windshields frame, and all the way alongside the windshield in the overhead to the sunglass holder.
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Old April 29th, 2005, 01:41 PM  
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where else can the display be mounted? other than the CF compartment and sunglass holder?

also, what impact does the vafc have on the honda stock warranty now that the ecu is being played with?
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Old April 29th, 2005, 02:15 PM  
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i'm planning to mount my safc2 right in front of the speedo, next to my rsm in front of the tach. you don't really need the speedo anyways.
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Old April 29th, 2005, 03:42 PM  
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Quote:
Originally Posted by v6SicksSpeed
also, what impact does the vafc have on the honda stock warranty now that the ecu is being played with?
Not sure about other honda dealers, by my dealer said No-No to warranty.
VAFC not only hacks into ecu harness(unless you get the frog harness), it
messes around with important variables that can possibly damage your vehicle
if you do something wrong.

and thats what basically local honda tech told me.
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Old April 30th, 2005, 01:32 PM  
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Quote:
Originally Posted by i3igpete
you don't really need the speedo anyways.



Unless you know how fast your going by your rpm alone, the speedo is kind of needed.
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Old April 30th, 2005, 02:10 PM  
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Quote:
Originally Posted by The Sync


Unless you know how fast your going by your rpm alone, the speedo is kind of needed.
I think he has Apexi RSM also(taken from he's "next to my rsm",
which is Apexi's Rev/Speed meter that shows you speed also.
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Old April 30th, 2005, 10:52 PM  
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well, if you line it up how it's going to be mounted with the stand, it turns out that it covers up 0-25 mph. not really all that important IMO. but even without the speedo, i'm sure most of us can "feel" the speed we're going based on engine rpm in every gear +/- 10mph. at least us manual guys, anyways.

Last edited by i3igpete; April 30th, 2005 at 10:54 PM..
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Old May 1st, 2005, 02:14 AM  
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true, but I really need it for those occasional times where cop is insight, or behind my ass.
I want to keep steady speed. thats when I need speedo. Otherwise, I don't look at speedo that much either.
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