I never thought about checking date on oil bottles ...what's considered bad. I do oil changes twice a year (when I take it out and when I put it back in storage) but I buy oil once a year because bulk is cheaper.
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2010 370Z 40 Anniv., 6 MT | Fast Intentions | Swift Springs | SPC | Z1Motorsports | JWM | Redline Oils | 35% Window Tint
2015 Mazda6 | 370ZChicago: Chicago Area Cars & Coffee
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