Rebuilding Front Suspension

[Z28Owner]

I have been replacing all my suspension parts on my truck and lowering it in the process. Went with 2.5 spindles and 2 inch Summit springs. And lowered Toxic shocks. Anyways a couple questions 1) What do I do about the dust sheild, Im pretty sure my stock one wont fit, dunno If the lowered spindles come with one, they should be here this weekend. 2) Also I am running stock truck rallys with 275/60/15 Are these tires gonna rub and if so , Where? also whats the next size I need to go down too? Any other tips on reassembly?
Was a PITA removing the upper Ball joints and lower control arm ubolts with Longtube headers!