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In cold climates you need an oil that flows like water on inital start-up, thicker oil cannot provide proper lubrication at low temps. Timing chain guides are plastic and fail when under-lubed! The LL spec is a must because the shop will be following the SII (service interval indicator) in the instrument cluster, the oil change will be done every 12k or 15k miles depending on conditions. The non-LL spec fluids will be shot long before that mileage is achieved.
Last edited by TiAgX5; 01-31-2012 at 06:53 PM.
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