If you go 28s then get some 4.56s. Don't fear the gear 4.10s are not enough for bolt-on car with a 28in tall tire. If you decide on a 26in tall tire 4.10s are ok. Imo sell the 4.10s and go with atleast 4.30s even on a 26in tall tire espeically since you say it is not your dd.