Suspension and Chassis Questions about your suspension? Need chassis advice?

89 Formula w/WS6 suspension has over 100k time to replace the struts?

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Old 04-26-2004, 06:48 PM
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Car: 1989 Firebird Formula
Engine: V8
Transmission: TH700
89 Formula w/WS6 suspension has over 100k time to replace the struts?

actually it has 103K on the clock and I have noticed some front end floating above 70 mph and I went under the car to look at the shocks and struts and I see no evidence of leakage. I tried the "test" of worn shocks and struts but the springs are so stiff I can't even get the car to bounce. Do you think I need to replace them or leave them alone?

Car still has the stock springs and I will probably replace them with new GM parts.

Would anyone happen to have the part numbers for the shocks and struts so I can order them from GM parts direct?

Thanks
Old 04-26-2004, 06:53 PM
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Car: 1989 Trans Am
Engine: 355 HSR
Transmission: Pro-Built 700r4 w/ 3400 converter
Axle/Gears: 10 bolt w/ 3.42 gears
Its hard to tell on these cars b/c the springs like you said. I noticed mine was really bumpy when rolling over hard bumps on the interstate, so I replaced them. When I got them out, I could physically push them all the way in by hand, so they were definately worn out. I had about 110,000 when I replaced mine.
Old 04-26-2004, 06:55 PM
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Car: 1989 Firebird Formula
Engine: V8
Transmission: TH700
that is what I was concerned about. I think I may replace them to ease my mind. Right now the only concern I have is the floating front end at highway speeds.

How did the car ride after they were replaced? What did you replace them with?

Thanks
Old 04-27-2004, 09:22 AM
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Car: 92 Trans Am - Sold
Factory struts/shocks are usually gone by 40k, at 103k you're way past due. I got a deal on Bilstein & Koni, they work great. Just don't go cheap, you'll just have to replace them again soon.
Old 05-02-2004, 01:57 PM
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Car: 1989 Firebird Formula 350
Engine: 5.7L TPI
Transmission: 700R4
Axle/Gears: Borg Warner 3.27
Your suspension is definitely shot. My 89 WS6 only had 80K on it when I replaced the springs and shocks and they were totally hosed. I went for a 1.25" drop, but my springs were sagging so bad, that I could barely tell I'd dropped my car! I had the same experience on the highway with my front end floating. My car handled worse than at high speeds than my 04 GMC Sierra if you can believe that.
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