hi folks. looking to get four goodyear eagle f1's for my 08 170 sline sportback bit confused to what i'm looking for. is it the 92y ones i'm looking for or the 88y. my soon to be replaced conti sport3 are 92y do i need to stick with the 92's or is 88y's ok? eage 92y were coming up for mercs etc on camskill website. sorry if these are daft questions but i'm stuck! thanks in advance.