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Maintenance & Repair Synthetic motor oil
8536 messages, Last post on Nov 21, 2009 at 9:34 AM
You are in the Maintenance & Repair Forum. Your Host is mr_shiftright
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Replying to: timvipond (Nov 08, 2009 7:40 pm) |
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Done reading until Amsoil goes away. Done. I don't want to read another thing about AMSOIL. I don't care. I don't.
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Replying to: the_big_al (Nov 09, 2009 12:00 am) |
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Replying to: timvipond (Nov 08, 2009 5:16 pm) too bad for AMSOIL:-) My German "horse" gonna be lubricated ONLY by oils from BMW approved list. |
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There are experts here on synthetics. I don't understand the difference so I've asked before and will ask again in this lull in the postings. Have Castol EDGE and Quaker State Horsepower. Both full synthetics. Edge promises 15000 miles drain interval (or one year). Which one should I use for the first fill of synthetic for the winter in a 3800 Buick with 90K?
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Replying to: imidazol97 (Nov 09, 2009 5:30 am) CASTROL REBATE OFFER ON AMAZON
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Replying to: imidazol97 (Nov 09, 2009 5:30 am) If your engine is dirty, consider using an engine flush product designed for that purpose. This will help the Castrol last longer. QSHP has one of the lowest TFOUT values at 169 minutes (compared to 489 minutes for AMSOIL). QSHP has one of the highest NOAK evaporation at 10.3%, compared to AMSOIL at 5.7%. QSHP has a pretty high TBN at 10. QuakerState only warranties 15 parts for up to 4,000 miles, up to 4 months. I wouldn't go any more than 5,000 miles on the QSHP, unless your owners manual says you can. You can go up to 15,000 miles/1 year on the Edge with a Castrol warranty except for "severe" miles, if you are out of warranty and if you don't do "severe" miles, such as towing, hauling, racing, dirty conditions, etc. Otherwise, follow your owners manual. They are both foreign owned oils companies if you don't mind sending your money overseas. |
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Replying to: Mr_Shiftright (Nov 09, 2009 7:22 am)
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Replying to: highmiler650 (Nov 09, 2009 2:46 pm) 
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Replying to: xwesx (Nov 09, 2009 3:20 pm) 
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