continuing ride height saga... - Saab 9-5 Bulletin Board - Saabnet.com
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continuing ride height saga...
Posted by James [Email] (more from James) on Fri, 4 Nov 2011 13:43:50
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sorry to bore everyone, but hopefully it's useful to the next guy...
so 2004 9-5 arc, new koni shocks, new wagon springs in the back...
I had used the upper perch on the konis + with 17" wheels was at 25" ride height, about 0.6" too high... thought I'd lower that to get closer to spec, originally planning to drop to the lower perch + use a 10mm spacer, but again I had trouble getting the shock off the lower mount point (by far the hardest part of the rear shock job for me both times... not the bolt, the bushing!), so... difference in koni perches is 2cm which is just under 0.78"... can change the perch without disassembly, so I compressed the springs on the car, dropped the perch, and released the springs carefully making sure things stayed where they should...
end result (now on the 16" winter wheels): 24.5" ride height (should be 23.8" for 16" wheels!)... so everything I gained in lowering the perch was seemingly taken up by the spring decompressing... car is apparently at the same ride height as before!
have I done something wrong/am I missing something? do spacers do anything??
uncompressed length of the new wagon springs was 10mm longer than the uncompressed used sedan springs that came out... clearly the difference in stiffness matters since the height difference is much greater than that! has anyone measured the uncompressed length of used wagon springs (ie from a typically sagging car)?
thanks!
James...
posted by 69.63.51...
link to earlier thread
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