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Need help

EdwinNkfc Sat Aug 15, 2015 3:41 am

This is my first time to get in touch with Engine management, can anyone of you share your first start experience, and how? I am kind of confusing for the fuel map, I know Y axles is meaning RPM but what about X axles? What is will affect if i increase or decrease the number in the fuel map? Could you guys give me some tips or guide to start? Like what will you do in the first. I am running a b20b with p72 head, p28ECU. I am just picking the p75 as my base map. PLEase teach me or share your knowledge to me please.....

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HRTuning Sat Aug 15, 2015 4:42 am

One is Manifold Pressure, one is RPM. Trace shows you where you are when the vehicle is running.

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EdwinNkfc Sat Aug 15, 2015 4:44 am

HRTuning wrote:One is Manifold Pressure, one is RPM. Trace shows you where you are when the vehicle is running.


Thank you. In order to start tuning a car, should i do the target A/F ratio first? I am not sure which part is for idle, cruise, deceleration or wide open throttle. Would you mind to tell me which part is for those?

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HRTuning Sat Aug 15, 2015 4:55 am

I make tuning software and I'm here for support questions regarding that software specifically. If you're learning how to tune from scratch I'd suggest looking into the available courses and reading materials about EFI tuning. EFI101, for example.

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