My wife drives the car and does not experience this. I drive it much harder and the problem shows up. I say that just to indicate that it's not that bad and has to be driven hard to be a problem. When transitioning from aggressive acceleration to compression braking deceleration, there is a noticeable shift in the rear end that has to be corrrected with slight steering input. I suspect a worn trailing arm bushing, but I had it up on jacks and couldn't move anything around, nor could I see any obviously blown bushings.
Am I on the right track?
Rear end yaw under accel/decel
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- Patron 2020
- Posts: 487
- Joined: Sat Jul 31, 2010 9:36 pm
- Your car is a: 1981 Spider 2000
- Location: Collinsville, IL
Re: Rear end yaw under accel/decel
The trailing arms and panhanrd rod is where I would look. If it is something else I would like to know what it is. I would like to know what it is in any event.
1987 Lotus Super 7 clone
1981 Fiat Spider 2000 AT
1982 Fiat Spider 2000 5sd
1970 Fiat Coupe
1981 Fiat Spider 2000 AT
1982 Fiat Spider 2000 5sd
1970 Fiat Coupe
- maytag
- Posts: 1789
- Joined: Mon Oct 19, 2009 9:22 pm
- Your car is a: 1976 124 spider
- Location: Rocky Mountains....UTAH! (Not Colorado)
Re: Rear end yaw under accel/decel
I would say definitely trailing arm bushings.
I'm no Boy-Racer..... but if I can't take every on-ramp at TWICE the posted limit.... I'm a total failure!
Re: Rear end yaw under accel/decel
try using a prybar on the rear bushings rather than by hand. Unless you're Superman, you can't exert nearly the same force as braking can
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- Posts: 3996
- Joined: Sat May 23, 2009 1:23 pm
- Your car is a: 1971 124 Spider
- Location: Texas, USA
Re: Rear end yaw under accel/decel
Typical symptoms of worn lower (long) trailing arm bushings.
Csaba
'71 124 Spider, much modified
'17 124 Abarth, silver
http://italiancarclub.com/csaba/
Co-owner of the best dang Fiat parts place in town
'71 124 Spider, much modified
'17 124 Abarth, silver
http://italiancarclub.com/csaba/
Co-owner of the best dang Fiat parts place in town
Re: Rear end yaw under accel/decel
Thanks for the feedback. I won't be able to get into it more thoroughly for a couple of weeks, but at least I know where to look.