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Old 05-07-2020, 04:23 PM   #1
R.Barr
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OFT Datalog help

I just went Stage 2+ with OFT a few days ago. I am completely new to tuning and i've tried to read a
little to get some basic understanding but I can't quite wrap my head around what I should be looking
for to know if I have abnormal knock, and not just bad gas. I'm using 93 oct with ZERO ethanol
(Gets rid of the crickets). I saved a few log files under a few different conditions, the first is a pull in
1st gear to 3rd gear. Second log is a wot pull in 3rd to around 110mph. Third log is casual driving.
If someone could please take a look I would really appreaciate it. I don't wanna blow anything up lol.

1st to 3rd: https://datazap.me/u/robert-barr/1st...og=0&data=1-13

3rd WOT: https://datazap.me/u/robert-barr/3rd...og=0&data=1-13

Casual: https://datazap.me/u/robert-barr/casual?log=0&data=1-13

Last edited by R.Barr; 05-07-2020 at 04:52 PM.
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Old 05-07-2020, 04:40 PM   #2
tomm.brz
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Hi,
please dont attach logs, upload them to datazap.me and link them here
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Old 05-07-2020, 07:55 PM   #3
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Quote:
Originally Posted by R.Barr View Post
I just went Stage 2+ with OFT a few days ago. I am completely new to tuning and i've tried to read a
little to get some basic understanding but I can't quite wrap my head around what I should be looking
for to know if I have abnormal knock, and not just bad gas. I'm using 93 oct with ZERO ethanol
(Gets rid of the crickets). I saved a few log files under a few different conditions, the first is a pull in
1st gear to 3rd gear. Second log is a wot pull in 3rd to around 110mph. Third log is casual driving.
If someone could please take a look I would really appreaciate it. I don't wanna blow anything up lol.

1st to 3rd: https://datazap.me/u/robert-barr/1st...og=0&data=1-13

3rd WOT: https://datazap.me/u/robert-barr/3rd...og=0&data=1-13

Casual: https://datazap.me/u/robert-barr/casual?log=0&data=1-13
AFR and fuel trims ok, but its got a fair bit of knock for 93 fuel. -3 FLKC at full throttle



Are you in USA or Canada, canada fuel usually bad compared to most USA fuels.


Is not going to blow up but could be better
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Old 05-08-2020, 12:28 AM   #4
R.Barr
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Originally Posted by steve99 View Post
AFR and fuel trims ok, but its got a fair bit of knock for 93 fuel. -3 FLKC at full throttle



Are you in USA or Canada, canada fuel usually bad compared to most USA fuels.


Is not going to blow up but could be better
I'm in the USA. It could very likely be the fuel, im going to try a different station and see if it makes a difference.
Thanks for replying.
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Old 05-08-2020, 02:39 AM   #5
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same as steve said

I would just do a very quick fix, try to reduce a bit Port injection use % at WOT until redline, not too much something like - 5% or less
it will help with knock relief and it won t mess a lot with
the maf scaling
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