If the springs were originals, they'd be 45 years old. During 45 years of holding up over 2 tons, I would bet the originals springs had sagged some, and the car would sit lower, so I'm not sure what good measuring would do, other than giving you a base line. Another thing to consider, is what tires are on the car? Are they the same original size bias or radials? I think that since radials squat, the car would sit a little lower.
And don't new springs tend to "settle" a little after the weight has been on them for a few weeks. I seem to remember when I replaced the 4 coils on my 70 Bonneville, there was a note in the packaging stating something like the new springs may appear different height than your originals, but they are designed to deliver the same ride height and characteristics as the originals. Before I changed springs, my rear Rally center cap was barely visable behind the skirt. After the new springs, the center cap was about perfectly centered on the edge of the skirt, just the way it shows in any brochure picture, and the car raod much better.
Last edited by David Brown; 03-02-2012 at 08:49 AM.
Reason: spelling
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