here's a question i dont think i've read and if so please forgive me or you can thump my head in june at maint day.called jake wilson before i ordered my 150/90-15(80h)avon venom am42 rear black wall tire to get date off of tire and they told me its from20 09 09 which i figure is sept-09 2009 which puts it at being a year and a half old already,didnt ask if it was a controled temp warehouse but what is the oldest tire (date) i should consider????