I tried it in 2002 on the 70K engine. I had used it in a fresh build in the early 90's and didnt have any seepage problems. From my experience, I had just deducted that I wouldnt try to use it on an engine with mileage on it again. On Sun, 13 Jan 2008 17:13:21 -0500, "Bill" <Y1TopBanana73@xxxxxxxxx> said: > How long ago did you try it? I know syn oils USED to have problems w/ > that (amsoil in particular when it first came out) but they all have > the correct additives in them now. I STARTED using Mobil 1 in my 00 > Cherokee @ 85,000 miles (when I bought it) and have had no problems. > Same thing for my 01 Dakota...started using @ 60,000...no leaks. 65 > Coronet...started @ 80,000 miles...no leaks. > > Bill M > 65 Coronet 500 'vert > > > > On Jan 12, 2008 2:15 AM, Tom Watters <tomwatters@xxxxxxxxxxx> wrote: > > > > I tried using synthetic in an engine that had about 70K miles on it. > > Started seeping at all the seems and had never leaked prior to that, > > even out the valve covers. > > -- '65 Dart GT 'vert Tom Watters -- http://www.fastmail.fm - Does exactly what it says on the tin ---- Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! '62 to '65 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html.