my engine is now pushing 137,000 miles and I am pretty hard on my car. should I stay with the castrol 10w30 like my car says or should I put some thicker oil in because it has so many miles on it? it wont hurt anything putting 10w40 in it will it?
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10w30 or 10w40 or ?
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10w30 or 10w40 or ?
96 Camaro 3.8 A4 Basemodel: 8 mm wires, Shift Kit, Hollowed <br />Cat(o2 sims), RKSport exhaust, IAT 5.6K resistor, Home Depot CAI<br />>>>15.375 @ 89.27<<<NEW BEST TIME <a href=\"http://www.cardomain.com/memberpage/552491\" target=\"_blank\">http://www.cardomain.com/memberpage/552491</a>Tags: None
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