3" drop spindles with 95 silverado wheels! spacer question

[bloodybigblock]

okay guys, see if you can guide me a little! im lookin to use my 95 silverado(silver 15") wheels on my truck that has 3" drop spindle and 1" coil spring! i need them to tuck as much as possible and i was thinking of using a 7/16th spacer if it will work! grind down caliper? can any1 running these wheels kinda guide me because im at the hospital for the nest 2 days and id like to order the spacers now, thanks