Timeless, there is no difference, just info requested by the shop, presumably so they can contact you about replacement struts maybe?
Rick
The first Blown 3 Liter! "Drive it till the wheels fall off" -my personal motto!!!! 98.5 T-Red SVT #6180 Many Mods Buckshot77@aol.com Owner of 00 #1611 Silver Totalled on 10/7/01 SVT Parts for Sale