Wolvee
Well-Known Member
- Joined
- Dec 8, 2017
- Threads
- 41
- Messages
- 527
- Reaction score
- 366
- Location
- Williamsburg
- Vehicle(s)
- 2021 Shelby GT500
- Thread starter
- #1
'16 PP GT
Since I bought my '16 GT I have had a Driveline thunk from the rear of the car. Every time I'd stop at a Red light and realign the gears to take off again, I'd hear and feel a "THUNK". (Almost like what we heard back in the old days with the Dog Leg lose under the SN95's.)
Since it's done it ever since it was new I didn't give it much thought other than doing quick Forum searches only to find out nobody really knew what it was. I figured it had something to do with the Torsion rear end loading up as I slide the shifter through the gears. I could make this happen only once every time I drove the car through the gears and coming to a stop but I couldn't stop it from happening.
Last week I installed Steeda's black Adjustable IRS Diff bushings. (All 4 black) Immediately I noticed the THUNK was almost completely gone.
Now it only does it after it's really Hot from Racing or long Trips. Even then the THUNK has diminished 50-75% of its previous feel and sound.
Does anyone know this sound? Can you explain why it happens and why the Steeda Bushings helped get rid of it?
#steeda
Since I bought my '16 GT I have had a Driveline thunk from the rear of the car. Every time I'd stop at a Red light and realign the gears to take off again, I'd hear and feel a "THUNK". (Almost like what we heard back in the old days with the Dog Leg lose under the SN95's.)
Since it's done it ever since it was new I didn't give it much thought other than doing quick Forum searches only to find out nobody really knew what it was. I figured it had something to do with the Torsion rear end loading up as I slide the shifter through the gears. I could make this happen only once every time I drove the car through the gears and coming to a stop but I couldn't stop it from happening.
Last week I installed Steeda's black Adjustable IRS Diff bushings. (All 4 black) Immediately I noticed the THUNK was almost completely gone.
Now it only does it after it's really Hot from Racing or long Trips. Even then the THUNK has diminished 50-75% of its previous feel and sound.
Does anyone know this sound? Can you explain why it happens and why the Steeda Bushings helped get rid of it?
#steeda
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