Quote:
Originally Posted by TIGGER
From Mobile1;
Myth: Mobil 1 will leak out of the seals of older cars.
Reality:
Mobil 1 does not cause leaks. In fact, new Mobil 1 was tested in dozens of industry standard and original equipment manufacturers (OEMs) tests to prove its seal performance. It is fully compatible with the elastomeric materials from which all automotive seals and gaskets are made. If an older engine is in good condition and does not have oil leaks, Mobil 1 provides the same advantages as when used in a new engine. ExxonMobil recommends taking measures to repair the leaks, then using Mobil 1. ExxonMobil also recommends following the automobile manufacturer's manual for the proper oil to use.
Where'd you get your info,Trip? The only thing I've heard was that if your vehicle already has leaks and sludge is "plugging" them,synth oil will clean out the sludge and let the oil flow out easier.
on a small side note,have you guys seen the Mobile1 High mileage oil yet? They claim a 15,000 oil change and guarantee no damage to your engine although I'm sure there are some provisos,etc. Still that's nuts!
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I will try to dig that link up. It was like thecarbible.com or some shit like that. They have changed the additives/chemistry of synthetics since this time as well which was also mentioned on the site that this problem may not be true with today's synthetics with older seals, but they said they couldn't guarantee it to cover their ass.
What may have been true in the past isn't necessarily true of present tech. Hence why people said don't switch from conventional oil to syn may no longer apply altogether.