SC shocks/ struts

My understanding is that 89-90 model years were struts and my 91 has shocks.

What I need to know is ,what model year(s) stock front coil springs I can use on my 91. Maybe they are universal, this is the question.

I am un lowering my 91 and do not have the stock springs anymore so I need to start a search.

tanks

All year SCs have shocks, not struts. I believe all stock springs are the same rate regardless of year. I would just find the newest and lowest mileage used ones I could.

MN12 Performance has a spring rate chart:

http://www.mn12performance.com/mn12-techinfo/springs/springs.htm