Progressives give you the combination of the ride quality of an OE spring with the performance of a higher rate spring when compressed. If you want to handle better than stock then definitely the Arning Drop and definitely not stock springs.
Progressive springs with your tires and the arning drop will probably cause tire rub. Arning drop will lower the car about 5/8 and the progressive springs sit lower as well. I'd do the arning drop and buy some springs from detroit spring (eaton), Buy the heavier coil spring made for the hippo v8 and you won't believe it's the same car. John
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