Razorte
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« on: March 18, 2023, 07:02:43 AM »
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Hello, I made a bin to put 650CC injectors on my Golf 4 GTI 1.8T 20V ARZ. Bosh 0 280 158 123 After drive test, i look the log and the Short term adjustment is +25% I did not modify FKKVS. Can someone help me pls ? The log : https://drive.google.com/file/d/1kYZ5VqmzRHs1I9IG9fHSS632Gq78YcuP/view?usp=sharingI attach my bin and here is the map with the modifications. KRKTE: TVUB: TEMIN: KVB:
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« Last Edit: March 24, 2023, 03:34:05 PM by nyet »
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_nameless
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« Reply #1 on: March 18, 2023, 09:31:32 AM »
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Clearly it's wrong. Stock injector size is roughly 300cc, and your new injectors are more than twice that size. You could have split your krkte in half and it would have gotten you closer then what you are now. Krkte will end up being in the 0.049 range most likely. Easy way to calculate new injectors (original krkte x original kvb) / new kvb = new krkte starting point
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If you are in the market for a tune and would like the ease of downloading and flashing a dyno tested tune for a fair price check out https://instatune.sellfy.store/
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prj
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« Reply #2 on: March 18, 2023, 11:38:33 AM »
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Short term is not +25%. I see your file is called "ethanol.ecu".
If you're running ethanol and you "forgot" to mention this little tidbit then LOL...
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Razorte
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« Reply #4 on: March 18, 2023, 02:14:55 PM »
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not +25% ? What is the column for AFR on the Log, pls? I can't find it.
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tao13
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« Reply #5 on: March 19, 2023, 12:24:11 PM »
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Your KRKTE is wrong, must be lower.
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Razorte
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« Reply #6 on: March 19, 2023, 12:47:29 PM »
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Your KRKTE is wrong, must be lower.
It is more like 0.0743 ?
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tao13
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« Reply #7 on: March 21, 2023, 09:45:01 AM »
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what is the stock krkte dor your arz and what cc had stock injectors? fpr is stock 3 bars?
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Razorte
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« Reply #8 on: March 22, 2023, 10:42:12 AM »
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what is the stock krkte dor your arz and what cc had stock injectors? fpr is stock 3 bars?
krkte stock : 0.1024 kvb stock : 301.64 Now, i have 627cc and e85
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tao13
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« Reply #9 on: March 22, 2023, 12:56:39 PM »
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try this 0.06539
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JeanAwt
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« Reply #10 on: March 23, 2023, 12:26:41 AM »
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it says +25 so too lean with 0.070. test with 0.0789 better, yes normal you enriched .frp 3bar yes about 630cc at 4bar rather 710. and ltft are how much? your krkte must be between these 2 values around 0.075 try to let it adapt (or maybe you removed the ltft to adjust to stft?) to give you an idea me on injectors (117) at 4bar or close to 600cc e85 my krkte is 0.072.
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A4 B5 avant 1.8T 2000 NO QUATTRO
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tao13
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« Reply #11 on: March 23, 2023, 12:51:33 AM »
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short term is a shit...... try krkte witch i wrote upstairs and be sure your TVUB are right!
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Razorte
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« Reply #12 on: March 24, 2023, 06:52:05 AM »
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short term is a shit...... try krkte witch i wrote upstairs and be sure your TVUB are right!
I took the TVUB from this post but, I don't know if it's the right TVUB. http://nefariousmotorsports.com/forum/index.php?topic=19978.0I think it's fine, the car runs normally except for a slight lag at low load. Right now I'm at 0.74 KRKTE and the lambda is still above 0.8V at high load. Narrow band
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kubawd
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« Reply #13 on: March 24, 2023, 08:35:57 AM »
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FYI Porsche 997T has 3.8b fuel pressure regulator.
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Razorte
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« Reply #14 on: March 24, 2023, 08:40:24 AM »
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FYI Porsche 997T has 3.8b fuel pressure regulator.
The value of TVUB is not universal 3b in bin? You know, how to transform TVUB 3.8bar into 3.0bar?
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