NefMoto > Noob Zone > Noob Questions (Moderator: turboat) > Injector offset for ev14 550cc injectors
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Author Topic: Injector offset for ev14 550cc injectors  (Read 3092 times)
Willpullen
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« on: October 03, 2019, 12:53:27 PM »
Hi everyone,
I'm having an issue finding the correct map to adjust so I can run ev14 550cc injectors. s4 wiki says KRKTE and TVUB. But when I compare a stock file with a TT386cc file and ev14 550cc file i have, the 386 and 550 files have the same TVUB map. I don't want to just copy the maps out of the files I already have because I actually want to learn how to do this. I have the XDF file from the Wiki and I'm trying to do this on a me7.5 518AK ecu. Any help what so ever would be appreciated. Even pointing me in the right direction to more info I need to read. Thanks very much.
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vwaudiguy
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« Reply #1 on: October 04, 2019, 04:01:16 PM »
Tuner was lazy and/or ignorant. TVUB is injector-specific and should match the injector.
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Willpullen
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« Reply #2 on: October 04, 2019, 04:51:05 PM »
Quote from: vwaudiguy on October 04, 2019, 04:01:16 PM
Tuner was lazy and/or ignorant. TVUB is injector-specific and should match the injector.
I think i might be doing something wrong when i open the files up in TunerPro. now when i select the 550cc file and stock file to compare there is no change when i toggle with CTRL + 1or 2. Can you point me in any sort of direction? can i just find the right injector times and then change TVUB accordingly? is that the only map i will need to change for the engine to run properly with 550s?
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vwaudiguy
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« Reply #3 on: October 05, 2019, 12:59:10 PM »
Quote from: Willpullen on October 04, 2019, 04:51:05 PM
I think i might be doing something wrong when i open the files up in TunerPro. now when i select the 550cc file and stock file to compare there is no change when i toggle with CTRL + 1or 2. Can you point me in any sort of direction? can i just find the right injector times and then change TVUB accordingly? is that the only map i will need to change for the engine to run properly with 550s?


TVUB and KRKTE are the two main maps for swapping injectors. Run "properly" is relative, but getting just those two right is usually enough to be in the ballpark. There are other maps that account for wall wetting/transients in load/warm-up that are best tailored as well.
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"If you have a chinese turbo, that you are worried is going to blow up when you floor it, then LOL."
Willpullen
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« Reply #4 on: October 06, 2019, 11:49:34 AM »
Awsome thank you so much.
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