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Old 02-05-2011   #19
tomtom72
 
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Join Date: Dec 2004
Location: Jacksonville, FL USA
Posts: 4,645
Default Re: FX3 Shocks

Not to complicate your diagnostics RR. I have a 90 also and my car sat thru 14.5 yrs with it's original owner only putting 7400 miles in that time span. I buy the car and have it maybe 3 yrs and maybe high 20k on it total. I start to notice that over regular undulations on a highways, not pot holes, the car started to float & cycle what I thought was excessively, and scrape the spoiler and I had to go up in shock setting to stop it. At first ( say about 20k miles ) just going from tour to sport did the trick, but by about 25K miles I had to use performance.

I did the old school shock bounce test and eyed up the tubes for excessive oil...both were negative to inconclusive in results. I bought a new set on line and the floating & scraping went away....no other suspension work was done at the same time. I had a hard time admitting to myself that my shocks were worn out with so few miles. At almost 100k I would put new shocks on the list.

The clunking over bumps I agree is proly the A bushings. I did mine around 40k. I cheated & bought NOS A arms complete. I also redid the sway bar mts & end links. I never realized I had some slop in the steering till I put the new parts in. I just think I'm trying to say that we own 20 yr old stuff & it don't last forever no matter if you use it or not!

Sorry to so long winded!


Tom
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1990 ZR-1, Black/grey, #2233, stock. ZR-1 Net Reg Founding Member #316 & NCM member
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