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Date: 13 Feb 2003 15:13:07 GMT From: davehinznopsamcop.net Subject: Re: use fossil or synthetic oil?
Someone who looks an awful lot like Grunff <grunffnopsam.com> wrote: > Paul Halliday wrote: > > On older cars where the oil >> used by previous owners is not known, there is a risk that synthetic oil >> will clean away mineral deposits and slight leaks may occur, but I've been >> lucky. > "Slight risk"? "Slight leaks"?? Paul, I suggest you've been > *very* lucky. > While I'm in no way disputing the fact that synth is very good, > and especially appropriate to turbos, there is a real, big > danger of *major* oil leaks when switching from mineral to synth > at higher mileages. I understand the seal shrinkage problems, but what years were those cars you had this problem with? I understand that the seals have been reformulated for just this reason; were the two cars you did this with somewhat older? Dave Hinz
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