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Apexi Power Fc For Rb25det ?'s

boosthappyS14

By boosthappyS14,
in Other Nissan Imports

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boosthappyS14 Rookie

boosthappyS14

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Hey guys, glad to become a new member of skylines australia. I have a S14 with a RB25DET series II motor. I have alot of questions about the Apexi Power FC. My mods pertaining to the Power FC are: 90mm Q45 throttle body, 90mm Ford Lightning MAF, and 740cc Tomei injectors. I saw paulR33's FAQ post and figured the values for the injectors would be as follows: 370cc/740cc = .5 * 100 = 50% and

0.66ms - 0.53ms = 0.13ms. Would these be the correct values for the injectors? Also, would I use 90mm Q45 setting for the MAF or would I need to go under options and select a voltage? I have a Ford Lightning 90mm MAF and I am currently using the setting for the 90mm Q45 MAF. Before I bought the Power FC, I was using a Jim Wolf Technology reflash as my tune. This tune required me to set my timing on the Cam Angle Sensor to 20 degrees BTDC (before top dead center). Do I need to set anything in the Power FC to correspond to this or do I need to change the timing on the CAS? I also have a Apexi SAFC installed along with the Power FC. Do I need to unhook the SAFC, in order for the Power FC to operate properly? I checked pin #58 with a test light and it is ok. I also disabled the optional boost feature on the Power FC. When I try and start the car, it tries to start but stumbles after 2-3 seconds. All I want to be able to do is get the car to crank so it can self learn the idle. After that I am going to Balanced Performance in Sugar Hill, GA to have it tuned. Anyone ever heard of them by the way? The car was running fine with the Jim Wolf Technology reflash tune. When I disconnect the Power Fc and re-install the Jim Wolf ECU it cranks right up. Please guys help me out with this. I know it is probably something simple. I called Apexi and they said that using both the SAFC and Power FC should be ok, but that I would not need the SAFC because the Power FC does everything it does and more. Anyways, I cannot think of anything else to tell you about my problem, so thanks in advance for any advice it is greatly appreciated.

Thanks,

Chad

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