1985-1998 [Subscribe to Daily Digest] |
I have heard that it is a bad idea to switch to synthetic oil after running regular oil. I have also heard that it is not a problem at all. Where do these myths come from and are they only myths. I want to treat my 89 CD T (120K miles) with all the love and care she desrves. Currently she is full of that cheap stuff. is it all psychological? thermal breakdown.........what journal publishes on such issues.
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