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2003-2009 Nissan 350Z

controlling af ratios?

Old May 7, 2006 | 01:30 PM
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Default controlling af ratios?

ok, i have a 06 base. i already have a pop charger, and soon to have injen ses exaust and test pipes. everyone on here at some time or another talks about crazy af ratios when you do breathing mods. there has to be a way to stabilize it. i want every tiny bit of hp and i know crazy af ratios seriously hinder that. any help?
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Old May 7, 2006 | 06:47 PM
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check out the Utec, it's highly praised, or you could check out the emanage blue, apexi safc...or a wild and crazy expensive stand alone
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Old May 7, 2006 | 07:00 PM
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A ECU tune by a professional.

or

As nashjam mentioned, a controller such as the apexi safc. Tuned properly, the apexi safc is a winner. Tuned improperly, and you risk serious engine damage.
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Old May 7, 2006 | 08:19 PM
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so how much would the utec or apexi run me? is it easy to use or is it something that i could totally **** up if i havent used one before
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Old May 8, 2006 | 12:22 AM
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Get your mods on and dyno first to see if your A/F ratios are even necessary to tune. Most of the times they aren't that bad, just need to be adjusted for maximum performance.
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Old May 8, 2006 | 09:58 AM
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awesome, thanx
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Old May 8, 2006 | 02:11 PM
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woudln't the apex-i safc be the most beneficial because if you were to get a re-flash you would have to send it back to get it re-flashed again if you do add more mods.
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Old May 8, 2006 | 02:40 PM
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Originally Posted by ericbel88
woudln't the apex-i safc be the most beneficial because if you were to get a re-flash you would have to send it back to get it re-flashed again if you do add more mods.
Actually the Utec or emanage (Ultimate or Blue) would be the most beneficial, because you can add or retard the timing. You cannot do this with the apexi. It is my understanding that a reflash does the same in being able to change the timing. However, you basically have more tuning capability with the Utec and emanage.
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Old May 8, 2006 | 03:00 PM
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Originally Posted by nashjam
Actually the Utec or emanage (Ultimate or Blue) would be the most beneficial, because you can add or retard the timing. You cannot do this with the apexi. It is my understanding that a reflash does the same in being able to change the timing. However, you basically have more tuning capability with the Utec and emanage.
....u wanna update me on this....so u can take it to a tuning place and they can change the timing? i always thought that once you get a reflahed setting that it always stays that way and u cant change it until you get it reflashed again
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Old May 8, 2006 | 03:29 PM
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A tuning shop can change the timing if you have a 'piggy back' such as the Utec or Emanage. The capabilities of using one of these is greater than having a reflash. Especially if you plan on adding future n/a mods or going F/I, IMO. IMO a reflash is a generic way of tuning your car. It's more of a one map fits all. With an afc you have a greater ability to tune to your needs so to speak.
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Old May 8, 2006 | 03:33 PM
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aight cool man i wasnt aware that tuning shops could mess with your reflash...thanks

also...do they plug it in right to the ecu to tune? also is this a ***** to do
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