Mickey, those spiral shocks were mushy when they were new. Just a part of what was considered a "good ride quality" back then, along with 24 psi tire pressures.
You should be able to find some original NOS Delco Pleasurizer shocks for your car on ebay or even thru vendors like USA Parts or Kanter. They were a common dealer-installed upgrade on new or low-mileage GM cars. They will make a world of difference in the ride and handling of your Delta and best of all, they keep your GM car all GM.
'Course they were made back when that phrase meant something...
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Glenn Williamson
Rocketraider
member AACA and all major Olds clubs
1964 Starfire, 1969 Toronado, 1974 Hurst/Olds, 1976 Ninety Eight
There's a Dodge K-Car and a Ford truck hiding in there too! Hey, ya gotta have something to beat around in...