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      10-10-2020, 03:49 PM   #45
Demxsr
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Quote:
Originally Posted by sagi View Post
Try flashing back to stock and see what happens...process of elimination I guess.
It doesn't happen on stock map.

PTF said that it is very normal to happen during spool. But I'll try to clear it up a bit more. But if it doesn't harm the car in anyway, then I'm not too worried about it. Especially since it only happens under very specific circumstances that I don't normally find myself in and can avoid.

"...we keep throttle open on these cars, stock it will have throttle closed and use throttle to work its way around excess airflow. But this happens only during spool. It’s very normal."

Last edited by Demxsr; 10-10-2020 at 04:05 PM..
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      10-10-2020, 04:22 PM   #46
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Quote:
Originally Posted by Demxsr View Post
It doesn't happen on stock map.

PTF said that it is very normal to happen during spool. But I'll try to clear it up a bit more. But if it doesn't harm the car in anyway, then I'm not too worried about it. Especially since it only happens under very specific circumstances that I don't normally find myself in and can avoid.

"...we keep throttle open on these cars, stock it will have throttle closed and use throttle to work its way around excess airflow. But this happens only during spool. Itís very normal."
Odd that they didnít say that to me as they instead wanted to me to send in a lot after I showed them my video. Their next response was that one of their master calibrators were going to look at my log and get back to me.

Who at PTF said that it was normal? Serge? Milan? Zanin?
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      10-11-2020, 04:24 PM   #47
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Quote:
Originally Posted by jpy1980 View Post
Odd that they didnít say that to me as they instead wanted to me to send in a lot after I showed them my video. Their next response was that one of their master calibrators were going to look at my log and get back to me.

Who at PTF said that it was normal? Serge? Milan? Zanin?
I sent in logs with my first inquiry. But it could be that they see them as different issues. I believe Halim responded to me.
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      10-12-2020, 07:12 PM   #48
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Halim just responded and said that everything seemed to overall look ok. So I'm not sure he is too concerned.
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      10-13-2020, 10:38 AM   #49
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Ok guys letís put the flutter sound issue to bed now. This is what Halim said after looking at my video and my logs:
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      10-13-2020, 02:28 PM   #50
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Quote:
Originally Posted by jpy1980 View Post
Ok guys letís put the flutter sound issue to bed now. This is what Halim said after looking at my video and my logs:
mine makes that same rapid F F F F F F sound on boost between 4-5000 rpm as well
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      10-13-2020, 07:55 PM   #51
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Mine did that same Hannibal Lecter F-F-F-F-F sound to me too. Stock everything except a BMS Stage 1. It started with there having been no changes any time recently and it went away on its own after only doing it in these same kinds of conditions for a couple of weeks. It's been over a year since it last did it.
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      10-13-2020, 08:06 PM   #52
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Haha you guys said it the best. IT is the F F f f F sounds! haha not the flutter
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      10-14-2020, 10:58 AM   #53
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Quote:
Originally Posted by Tangent View Post
Mine did that same Hannibal Lecter F-F-F-F-F sound to me too. Stock everything except a BMS Stage 1. It started with there having been no changes any time recently and it went away on its own after only doing it in these same kinds of conditions for a couple of weeks. It's been over a year since it last did it.
I noticed it when driving next to a wall and going WOT. after I had went aftermarket turbos.
Never noticed it before but the turbos are way louder than stock
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      10-14-2020, 06:12 PM   #54
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Mine also makes the same f-f-f-f-f sound but I am on stock intakes with charcoal removed and k&n drop-in filters. Can you guys double check with the experts again? Thanks!
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      04-16-2021, 09:01 PM   #55
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Anyone figure out the f-f-f-f issue? I have injen intakes installed and bm3 stage 1 91.
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