differences between Apex safc-2 and greddy e-manage
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Honda-Tech Member
Joined: Mar 2003
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From: East Providence, RI, usa
im in the market for a good hack to tune my turbo ka24de buildup. if anyone could post features, experiences and opinions, thatd be great.
e-Manage is an inexpensive programmable fuel management system that allows you to properly tune your factory fuel system without having to change the entire factory ECU system to an expensive "stand-alone" unit. The e-Manage system is a universal "piggy-back" type unit which taps into most Japanese factory ECU wiring, by utilizing the existing sensors. Basic functions will allow the user to slightly alter factory injector duty-cycle (± 20% at 5 preset RPM points) by intercepting and altering airflow or MAP sensor signals. For Honda VTEC cars you can adjust the VTEC shift point. Additional features are built into the system but are only accessible through the use of the e0-1 programmer or our PC-Windows based "e-Manage Support Tool" communication software (Please see our Authorized GReddy Support Dealers for more information). There is a 16x16 airflow adjustment map, larger main injector correction adjustment, upgrade air flow meter adjustment, boost limiter cut, anti-engine stall, VTEC-fuel adjustment, real-time map trace, real-time display, real-time communication and basic Data-logging. With the use of our "Optional Injector Harness" and the software, the unit has the ability to control an additional 16x16 injector duty cycle map and the controls for adding up to 2 additional sub-injectors. If the "Optional Ignition Harness" and the software are used the unit has the ability to control a 16x16 ignition timing map. All of the above maps can also be map-traced in real-time as well. If the factory range of map or airflow meter is surpassed, you can incorporate our "Optional GReddy Pressure Sensor and Pressure Harness" to set larger scales of adjustment. All installation and tuning should only be made by a trained technician with proper air/fuel monitoring tools. (Some functions may not be compatible with some applications.)
This looks to be a piggy back that can be unlocked to do more with the right to tools aka spend more money.
The second-generation S-AFC is a fuel computer that adjusts fuel/air ratio by modifying the air-flow meter/MAP sensor signal. The S-AFC features a user-definable, eight-point, adjustable fuel curve that can be set in 500 RPM increments. The range of fuel adjustment is +/- 50% at each of the user-defined setting points. On hot-wire vehicles, the Deceleration Air Flow Correction function is capable of curing the erratic idle and stall problems associated with open-atmosphere blow-off valves on hot-wire air-flow meter systems. The S-AFC is capable of monitoring and replaying the following data channels in Numerical, Analog Meter and Graph displays: Intake Manifold Vacuum/Boost Pressure, Air Flow Capacity, Intake Manifold Pressure, Karmann Frequency, Engine RPM, Throttle Position, and Air Flow Correction %.
Piggy back that controls fuel.
http://www.jimwolftechnology.c...ID=71
Alot of nissan guys go with Jim Wolf Technology. Their customer service leaves something to be desired. It takes months 5to get your ECU back. At $595 gets you your initial "chipping". I think you send them what mods you have and they "chip" it to those specs. HOWEVER EVERYTIME YOU WANT TO MAKE CHANGES YOU HAVE TO SEND IT BACk at something like $100 a pop. I looked into them when I had my 240sx but I ended up going with a swap. Instead of the emanage I was going to get a Power FC.
Have you went to Nissan sites to see what others are doing with the SAFC? When I had my Nissans I didnt see too many people running AFC's. Some did, but it wasnt as abundant as I have noticed in the Honda camp from my point of view
This looks to be a piggy back that can be unlocked to do more with the right to tools aka spend more money.
The second-generation S-AFC is a fuel computer that adjusts fuel/air ratio by modifying the air-flow meter/MAP sensor signal. The S-AFC features a user-definable, eight-point, adjustable fuel curve that can be set in 500 RPM increments. The range of fuel adjustment is +/- 50% at each of the user-defined setting points. On hot-wire vehicles, the Deceleration Air Flow Correction function is capable of curing the erratic idle and stall problems associated with open-atmosphere blow-off valves on hot-wire air-flow meter systems. The S-AFC is capable of monitoring and replaying the following data channels in Numerical, Analog Meter and Graph displays: Intake Manifold Vacuum/Boost Pressure, Air Flow Capacity, Intake Manifold Pressure, Karmann Frequency, Engine RPM, Throttle Position, and Air Flow Correction %.
Piggy back that controls fuel.
http://www.jimwolftechnology.c...ID=71
Alot of nissan guys go with Jim Wolf Technology. Their customer service leaves something to be desired. It takes months 5to get your ECU back. At $595 gets you your initial "chipping". I think you send them what mods you have and they "chip" it to those specs. HOWEVER EVERYTIME YOU WANT TO MAKE CHANGES YOU HAVE TO SEND IT BACk at something like $100 a pop. I looked into them when I had my 240sx but I ended up going with a swap. Instead of the emanage I was going to get a Power FC.
Have you went to Nissan sites to see what others are doing with the SAFC? When I had my Nissans I didnt see too many people running AFC's. Some did, but it wasnt as abundant as I have noticed in the Honda camp from my point of view
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