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Old 03-26-2018, 11:54 PM   #18
EndlessAzure
Wheels for Brains
 
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Join Date: May 2017
Drives: '14 FR-S [37J] | Daily/Track
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@Ultramaroon @guybo @humfrz @Fuergrissa and any others

See below videos, taken from in-car (phone) and from Dash Camera. If necessary, I'll transfer to youtube for longer term preservation. Vibration severity much more apparent in Dash Camera footage
https://drive.google.com/drive/folde...cJ?usp=sharing


Modifications/changes of interest:
  • TOB Service - Aftermarket pressure plate, clutch disk, flywheel, TOB, fork, and pivot: Verus/Velox Fork&Pivot, ACT SB7-HDSS Full-face Street Clutch with Streetlite Flywheel

Description of events:
  1. Pull from 1st gear (no issues)
  2. Shift into 2nd gear, bring speed/revs down to 1k rpm, 30% to 50% throttle pull to 3k RPM.
    • Noted flywheel chatter, very minor vibrations up to ~2.2k RPM.
  3. Shift into 4th gear, bring speed/revs down to 1k rpm, 30% to 50% throttle pull until vibrations stop ~2k RPM.
    • Noted flywheel chatter, moderate vibrations between ~1.8k to 2k RPM.
  4. Shift into 6th gear, bring speed/revs down to 1k rpm, 30% to 50% throttle pull until vibrations stop ~2k RPM.
    • Noted flywheel chatter, moderate/severe vibrations ~1.3k to 2k RPM.
  5. Upshift into 3rd gear/2nd gear and allow engine braking.
    • Noted mild flywheel chatter between 3k and 2k RPM
  6. Come to stop.
No apparent issues at non-lug conditions.
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