[urr2slo]

Coilovers to go that low, more than an 1" and you will have struts that blow out and leak. I work for the largest Chevy dealer on the west coast and I rarely see a leaking shock or strut with a 1" spring but I get them all the time on the 1.25 or greater springs.
I will only install up to a 1" spring here, clients that want lower I recomend coilovers or to another shop since I will not be able to warranty the struts if they go lower.