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Author Topic: Easily scale your MAF for larger housings! (now with 50 percent more hitachi!)  (Read 83653 times)
nupustas
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Original 1,8t 225hp maf has plastic frame+steel grid, which means crossection is smaller than S6 maf(instaled only steel grid), see attached picture. When rescaling MAF, should i have evalute area of plastic frame, or just measured inner diameters?
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nyet
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WWW

Always ID

Air does not flow through solid plastic Tongue
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ME7.1 tuning guide
ECUx Plot
ME7Sum checksum
Trim heatmap tool

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
nupustas
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Sorry for my english(it's not my native language), maybe not cleary asked. That i wanted to say: BAM maf (left picture) has aditional plastic frame inside maf, which means real cross section area is smaller than identical ID tube cross section area (as you wrote - "Air does not flow through solid plastic"). Im going to instal new maf without plastic frame, so rescaling only by ID works fine and difference by plastic frame will not affect anything?
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BlackT
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Sorry for my english(it's not my native language), maybe not cleary asked. That i wanted to say: BAM maf (left picture) has aditional plastic frame inside maf, which means real cross section area is smaller than identical ID tube cross section area (as you wrote - "Air does not flow through solid plastic"). Im going to instal new maf without plastic frame, so rescaling only by ID works fine and difference by plastic frame will not affect anything?

Few mm +- will not make any harm. Don't bother with that
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nupustas
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thanks
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mate96
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Hey, How can i get this script? arturbrojek@gmail.com
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marantzvieta
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Hi all,

Fisrt of all I want to thank everybody involved in the creation of this tool. Waiting for hardware to test the results in the car but looks great.

I am converting from a 1.8t AEB maf (67mm ID measured) to a VR6 ABV maf (78mm ID measured). 35.53% cross section area increase.

The program does it's job correctly, but when comparing the rescale file obtained with the program, to the map in a stock vr6 file, there is a discrepancy in the maximum reading possible:

- Rescaled maf file shows max 912.63kg/h
- Stock oem VR6 files show max reading 988.5kg/h

I assume this has to do something with the reverse flow capabilites of 1.8t maf that VR6 does not have. I also read it may have to do with the offset in VR6 map (0) and the offset in 1.8t map (-200).

Does somebody know or can confirm, just for knowledge, the reason this discrepancy between the rescaled map and OEM map happens?

Thank you so much. Best regards!
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ngt84
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Why this original exe file gives a positive for malware ?

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ngt84
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Discovery was made 2020.
Here is the twitter post by the guy who discoreved it.
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marantzvieta
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Discovery was made 2020.
Here is the twitter post by the guy who discoreved it.

Can you develop a bit please? From what I read maybe even the creator of the file may not know, the code is publicly available and mazer has been a good contributor to this forum.

Thanks mate
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