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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


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Old 04-19-2018, 12:45 PM   #1
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Sr20det with z32 maf and gt2871r

So I thought my ecu was only tuned for the gt2871r and the 740cc injectors so I was using safc to tune the z32 maf I pulled the safc off today because I was having problems under boost and was gonna rewire it tried running without it it runs great???? Anyone know why and is it safe to run without the safc

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Old 04-19-2018, 01:47 PM   #2
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wrong section but as to your problem no dont run it without the tune if you end up running lean youll blow your motor.
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Old 04-19-2018, 02:24 PM   #3
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Originally Posted by FTMFW View Post
So I thought my ecu was only tuned for the gt2871r and the 740cc injectors so I was using safc to tune the z32 maf I pulled the safc off today because I was having problems under boost and was gonna rewire it tried running without it it runs great???? Anyone know why and is it safe to run without the safc

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Need more information.

What tune do you have, what was it tuned for?

Why did you drop a Z32 maf into your setup?

What were the in/out settings of the SAFC?
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Old 04-19-2018, 02:27 PM   #4
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Ecu was tuned for the gt2871r and the 740cc injectors.
Was using safc for z32 maf 2in 5out

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Old 04-19-2018, 02:56 PM   #5
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Barely legible but I think it says z32 so I'm guessing the ecu is tuned for it so I don't even need the safc????

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Old 04-20-2018, 11:04 AM   #6
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Barely legible but I think it says z32 so I'm guessing the ecu is tuned for it so I don't even need the safc????

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I use my SAFC for correction on my enthalpy ecu. Can help with throttle response.
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