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I'm pretty new to the skyline world and just as new at modifying electronic injected and turbo cars. I was wonderin, especially now power fc's are so hard to get. can someone tell me what is the difference and can you get similar peformance from both???

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https://www.sau.com.au/forums/topic/155769-power-fcapexi-afc-neo/
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PowerFC is a replacement ECU, I believe all the AFC does is allow you to mess with the air flow/fuel mixtures and is a piggyback on your ECU. To be honest, the PFC is worth it in my opinion, you just gotta be able to find one for a decent price

I thought when tuning your car to get around 200kws or greater the problem was air/fuel mix especially when running more boost.

as I have realised after putting electronic boost control, fmic and pod. My engine is runnin pretty rich. when I let it warm up in the mornings under the car port, it smells of richness....

There are some major differences between the PFC and the neo(piggyback). But the main and probably the most important for tuning for power is the ignition timing. With a neo you cant change ignition timing, you can only adjust air fuel mixtures and the standard edu keeps factory settings with ignition timing, where as a PFC is a complete replacement and is responsible for all of these things. hence why you cant completely get rid of that R and R thing that the rb25s do with just a piggyback. You need timing adjustment also.

Edited by Ryanrb25

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