we get tires of all brands back from the shops we sell to that have some kind of manufacturers defect from cheapo nankangs through pirelli corsas asymetrics meant for right and left side that are $200 something a piece.........but one thing you may want to make sure of is that when they bead your tires they dont ruin the seat...next time you should watch them.........just tell whatever shop you go too that you had tires go out on you and you want to make sure theyre ok. Alot of blow outs arent due to manufacturers defects......95 percent are the fault of the installing shop........just a little info for you guys
Goodyear is still a good manufacturer, Im going to have to defend that one....Im really going to agree with Jamesz and ask if you were checking the pressure once a week? You may have had something in it too....
Regardless.....that really sucks that you lost your car.....I dont know what I would do if I lost my Z...I would be heartbroken man! I really hope you find another one!