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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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08-27-2020, 02:37 PM | #43 | |
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They do it the worst at exactly 2700 rpm, or around 50mph in 5th gear. They do it again albeit quieter at around 3300-3500. Its like a harmonic. At first I thought it was my header (ACE350) as I put the header on the same time as the engine mount. I can clearly hear the header rasp when accelerating but this is different. Its more audible with the windows up in the cabin, while the header rasp is more audible with the windows down. I don't really care for it, it would just be good to know its coming from the mounts itself |
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08-27-2020, 02:45 PM | #44 |
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Its the mounts. They will give more NVH. Mounts also take a bit to break in. I honestly think after breakin they will still give some NVH.
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08-27-2020, 06:12 PM | #45 | |
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08-27-2020, 06:17 PM | #46 | |
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When is still not warmed up , idel at 550 to 600 rpm has very shaky klinky rattle ..I assum prob car running in Open loop trying to get up to temp and engine runs rougher as is not referencing to O2 sensor. But once car is warm up ..the rattle is minimilized even at idel... Yes you can still feel it but not the crazy Kling Klong Bam Bam jumpy engine. Mabye I will get my tuner to bump my idel RPM up to around 650~700.... Pretty much at those rpm..the rattle is gone ...even when engine is cold. I dont really have much resonance at any other rpm range.. (maybe i should drive more) I even have the IRP shifter.....lucky for me..no rattle on that.. only thing that rattle in my car is my ebrake knob lol ... |
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08-28-2020, 12:21 PM | #47 | |||
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EDIT: Yes it was the header Last edited by hifiguy99; 09-28-2020 at 10:03 AM. |
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08-28-2020, 12:55 PM | #48 | |
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08-29-2020, 05:06 PM | #49 | |
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Edit: On second thought, you might be right I may have forgot to hammer the other driver side of the tray. I am doubting myself now lol I will take a look when I have some time to spare. It does sound like header rubbing the more I look into it. EDIT: Yes it was the header Last edited by hifiguy99; 09-28-2020 at 10:04 AM. |
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09-07-2020, 06:36 PM | #50 | |
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09-07-2020, 06:45 PM | #51 |
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09-07-2020, 08:45 PM | #52 |
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09-07-2020, 09:36 PM | #53 |
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09-07-2020, 09:48 PM | #54 |
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09-07-2020, 10:04 PM | #55 |
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Lmbo. I did not mean to put that obvious typo
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09-08-2020, 01:32 PM | #56 |
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Was there any consensus on "Group-N" mounts existing for the BRZ? I only see different parts for the WRX.
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2017 Subaru BRZ Performance Pack - Brembo Brakes - SACHs Dampers - Wedsport TC-105x 18x8.5 - Michelin Pilot Sport 4S 245/35 - STI Short Throw Shifter
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