Date: 27 Sep 1998 20:47:40 GMT
From: enpassantenopsamcom.remove (EnPassante)
Subject: Re: what kind of engine oil is best for SAAB???

<< From: There probably is no single *best* motor oil for all driving conditions. >> Hi Pete. Wise words indeed. Although as far as a *type* of oil, synthetics lead the pack, hands down. << I prefer synthetics, because I believe they do perform better overall. >> The wisdom continues. :-) << I use Mobil 1 (5w-30 year around) now>> A very good choice. << but Castrol, Valvoline are fine. >> Per the standard oil industry test results found on the Product Data Sheets of the oils you have mentioned above, Mobil's synthetic is superior to Castrol or Valvoline. << I think high-quality non-synthetics are fine, but may not give as good gas mileage as synthetic. And, more frequent changes are necessary. >> Correct again. The other shortcomings of a petroleum oil v.s. a synthetic include; harder winter starts, reduced cold temperature lubrication, increased emissions, less power/throttle reponse, increased engine wear and an internally dirtier engine. Keep in mind though that the price formulated synthetic oils sold down at the local retail discount store are not formulated for safe extended drain intervals. For safe extended drain intervals, there is more that needs to be done when formulating an oil than just to have a synthetic base stock. An oils additive package must also be formulated for the rigors of extended drain intervals and if it is not, using such an oil in extended drain service can cause problems. The price formulated synthetic oils sold down at your local discount retail store all universally recommend standard drain intervals with their synthetic oils. It might be in a consumers best interests to follow those recommendations, as these oil companies are familiar with the quality/capabilites of the synthetic oils they offer. << There are some very good and expensive (maybe $8 quart or so) synthetics out there that I'm sure will do the job >> Oils like AMSOIL, Red Line, NEO, etc., all of which are specifically formulated for safe extended drain intervals, with AMSOIL leading that pack at up to 35,000 mile extended drain intervals. << The key is good filter (Mann?), and changes every 3,000 to 5,000 miles and you're engine should last a long time.>> Quality oil filtration is very important, but draining any of the better performing/extended drain interval synthetics that often is not really needed at all. This is where a better quality/extended drain interval synthetic oil can save the consumer scads of money. To reply; Remove, "remove" from my e-mail address.

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