Hi I'm Paul I have a 1982 ls 5.3 cutlas supreme. I removed the stock sagging front coil springs the ride height was 25 1 1/2 inches. I replaced them with bmr 1 1/2 lowering springs. My ride height went up to 28 1 1/2 inches I want the car to go down 1 to 1 1/2 inches. My front end with driver is 1980 lbs. l really don't want to go any firmer what spring would work best ? I need help!