View Single Post
Old 11-23-2019, 11:23 AM   #5202
mrg666
pessimistic skeptic
 
mrg666's Avatar
 
Join Date: Apr 2016
Drives: '14 FR-S Monogram AT JRSC
Location: Upstate NY
Posts: 1,767
Thanks: 1,695
Thanked 1,035 Times in 684 Posts
Mentioned: 14 Post(s)
Tagged: 0 Thread(s)
Garage
Quote:
Originally Posted by peaches View Post
Anybody here has had the car reach or go past 130MPH? I want to know if you experience vibration or shake. When my car reaches 130 at the track I feel a vibration in the seat (not the steering wheel). I have changed the wheels and tires as it's what everybody said was the problem and there was no change. I have upgraded motor mounts, tranny mount, cf drive shaft, diff brace, clutch, and flywheel.

Any ideas?
Since you only feel the vibration beyond 130 mph speed limit not rpm limit at various speeds, we need to check the drivetrain after transmission. And you have eliminated wheels and tires. We are left with drive shaft and differential. I would put my money on the CF drive shaft.
mrg666 is offline   Reply With Quote