Maxlife 10W-30. High mileage oil is a bit thicker that the normal stuff and HM oil has a seal conditioner.
10/30 is spec for this engine.
5/30 in the winter.
10/30 is spec for this engine.
5/30 in the winter.
Best Amsoil for high milage Buick 3.8 V6?
- Thread starter 96 Cherokee
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