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S-AFC/V-AFC idea

 
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Old Mar 8, 2003
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S-AFC/V-AFC idea

alright peeps, what do you think, i came up with this just today. lately, gas prices have gone through the roof, so i set all my AFC settings back to neutral, just to save gas. now here's my idea. why couldn't you rig some sort of switch up to have the MAP sensor signal go through the AFC when you want the power, and then through a bypass that simulates stock? that way, you could just turn on the AFC and BAM! more power, yet you can save gas when you're not using it.

so, yay? nay? let's have some thoughts.
Old Mar 8, 2003
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Uhhh, how about this one....

You set one of your two programs for "stock" and then set the other for your "power" settings?

A lot easier and besides, i dont think anyone can decode WTF you are saying in your post. Theyre called words, put them together to form sentences, read left to right. take advile for any headaches, midol for any cramps....
Old Mar 8, 2003
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[hr]Originally posted by: OmegaBlue2k1
Uhhh, how about this one....

You set one of your two programs for "stock" and then set the other for your "power" settings?

A lot easier and besides, i dont think anyone can decode WTF you are saying in your post. Theyre called words, put them together to form sentences, read left to right. take advile for any headaches, midol for any cramps....[hr]
hm...i gotta give that a try...
Old Mar 8, 2003
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I dont have an AFC but my guess is that you could rig it up to a WOT switch or an RPM window like nitrous system use. Have it turn on at four grand or something like that. Can you tell a difference having the AFC on or off?
Old Mar 8, 2003
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[hr]Originally posted by: eskimaux
I dont have an AFC but my guess is that you could rig it up to a WOT switch or an RPM window like nitrous system use. Have it turn on at four grand or something like that. Can you tell a difference having the AFC on or off?[hr]
That is even more out of space than the original question.... AFC unit has to be ON for your ecu to work properly. Its not simply a power booster like nitrous. It is more like an external ecu "chip" upgrade. Needs constant power run to it so the settings you program are not lost.
Old Mar 8, 2003
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[hr]Originally posted by: OmegaBlue2k1
Uhhh, how about this one....

You set one of your two programs for "stock" and then set the other for your "power" settings?

A lot easier and besides, i dont think anyone can decode WTF you are saying in your post. Theyre called words, put them together to form sentences, read left to right. take advile for any headaches, midol for any cramps....[hr]
[IMG]i/expressions/laugh2.gif[/IMG][IMG]i/expressions/laugh2.gif[/IMG][IMG]i/expressions/laugh2.gif[/IMG]
Old Mar 8, 2003
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[hr]Originally posted by: OmegaBlue2k1
Uhhh, how about this one....

You set one of your two programs for "stock" and then set the other for your "power" settings?

A lot easier and besides, i dont think anyone can decode WTF you are saying in your post. Theyre called words, put them together to form sentences, read left to right. take advile for any headaches, midol for any cramps....[hr]
I found his post very clear. It seems to me you might be the one with the cramps? Taken your dose of Midol lately?
Old Mar 9, 2003
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can't we all get along, damn everybody is gonna need a flame suit shortly.
Old Mar 9, 2003
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wow, everyone has to flame at least someone. at least if you had a clue what you were talking about, with some experience with the AFC, you would at least know WTF you were talking about. this post was meant for the more technically experienced people, not those who think they know something but when confronted with a real question run away and pretend like they're badasses by flaming the original post.

if you had a clue what i was talking about in my original post, props to you. if you have a legitimate opinion, even more props to you. and if you actually have an intelligent thought to contribute, you are god because you actually understood what i originally said and can respond in a well thought-out way.

to all the rest of you that don't have a clue what i'm talking about, please keep your flames restricted to the general posts or off topic forums.
Old Mar 9, 2003
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Ok, I have a VAFC and I do not have the VTEC controller hooked up but i was wondering this. If i could figure out a way to switch between the factory Vtec wiring and the VAFC wiring could I wait till my car was warmed up, shut it off, and then switch to the VAFC VTEC controller??[IMG]i/expressions/face-icon-small-confused.gif[/IMG]
Old Mar 9, 2003
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[hr]Originally posted by: 02fpcivic
Ok, I have a VAFC and I do not have the VTEC controller hooked up but i was wondering this. If i could figure out a way to switch between the factory Vtec wiring and the VAFC wiring could I wait till my car was warmed up, shut it off, and then switch to the VAFC VTEC controller??[IMG]i/expressions/face-icon-small-confused.gif[/IMG][hr]
If you do not have the v-tec controller portion of the unit installed then you dont have to worry about switching back and forth between anything. Your basically just running an S-AFC unit this way. There are a lot of people who are taking the steps to locate the v-tec crossover and have successfully installed that portion of the V-AFC so it wont be too long before Apexi confirms this and provides information, if they havent already.

Let me clarify for those who do not understand my original post. The V-AFC functions on the basis of a "low" and a "high" concept. Usually the "low" profile operates for what the manual states as 10% throttle position, and the "high" activates at 50% throttle position (these settings CAN be changed thru the unit). If you program your V-AFC to function as if it were a "stock" setting in the "low" profile, then normal daily driving would act as if you did not have the V-AFC installed. Normally when you are racing you foot is mashed down to the ground, sending a WOT (100%) throttle position and would automatically set the V-AFC into the "high" throttle position setting.

As far as the last part of my post, i honestly had a very hard time understanding his question, the question was very sparatic and confusing and could have easily been clarified if it was thought thru a little better before posting. What i stated was also a quote form the movie tommy boy which some people obviously didnt get. It was not a direct flame towards AFlyer, it was meant as a joke and should have been taken as such.

And as far as posting here, he is right, if your not going to post any useful information, please dont bother to post at all. All you are doing is wasting bandwidth and slowing down the server.
Old Mar 9, 2003
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alright, thanks omega, didn't catch the quote though i'm usually very good at catching those. also, the settings between low throttle and high throttle are not effective in distinguishing between "economy" mode and "power" mode like i want to. it's not a black/white line between low and high throttle. the way the AFC works is that you set low throttle settings and high throttle settings. then you set the points between low and high throttle. so low for me is anything below 30% throttle, and high is anything above 70%. this is typical. between those two points, the AFC interpolates between settings, so if you have it set to say -1.0% lean at low throttle and +4% rich at high throttle at 5000 rpm, and you're sitting at 50% throttle, the the computer would actually set the mixture at +1.5% rich because it's right between. now, because of that, the low throttle settings aren't effective in keeping the car in "economy" mode like i want to, because if you've ever driven, the engine is at about 40% throttle under acceleration from a stop light for instance, and it is not reasonable to set the low throttle point at 40%. that just doesn't make sense.

so back to my original question, switch on the dash a good idea or bad idea?

PS- the switch could also function as a kill switch cause it would be an on-off-on switch, so if you set it to the off position, the ECU would be getting no MAP signal and the engine just wouldn't run.
Old Mar 10, 2003
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can I ask what do you have done to your car? what guages do you have? just curious.. I think I could help you understand what your doing better with a afc. But maybe you have some sorta of forced induction on your car ie: turbo , n2o . anyways hit me back. with mods and guages you have. thanks.
Old Mar 10, 2003
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anywho I thought I would reply again... if you are giving your car more gas your probably hurting power. U need to invest in something that lets you watch ur a/f. u will see that that stock ecu runs leans has crap. hurting power output. lean it out save some gas and make more power. if you didn't know this you probably should read up on how it works.. hope the helps any question AIM me HolyVVater111
 
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