tire question

on 18x7.5 rims,i was told they can tuck on 87 2wd fenders,wat tires shud i run im confused i got two diff answers,225-35-18 and 215-35-18,which one is it

Either one. Thw width and height differ by a fraction of an inch. I like 40 series tires.

ditto either tire will be fine

kool,thanx yall