I agree with SyncroHead. I've run synthetics in all my cars with no problems whatsoever. I think this comes from the observation that regular oils will cause seals to swell more than synthetics will. So, if you have a very old, high mileage engine that you switch from regular to synthetic, you may see some seeping if the swollen seals shrink a bit. I have seen a few people experience this problem when switching to synthetics - but only for very high mileage vehicles. Todd Last '88 westfalia SyncroHead@AOL.COM wrote: > In a message dated 98-08-05 20:30:36 EDT, ray.wei@US.PWCGLOBAL.COM writes: > > > I read an article from Popular Mechanics recently. They said by using the > > synthetic oil, they "suspect" the engine will develop early leaks on rubber > > seals. They said they have seen so many cases that the engine has > > crankshaft seal leaks, which uses the synthetic oil. Especially if you > > alternate the regular and synthetic between oil changes which makes the > > rubber seal "dry-out" even faster... > > They're full of it! I've run 100% synthetic oil in all my cars since 1983. > Let's see.. > 70k 84 GTI > 80k 86 GLI > 60k 82 Rabbit P/U (60k-120k) > 115k 87 Syncro (45k-160k) > 130k 88 Wolfsburg > ------ > 455,000 miles without an oil leak!! > > Also "alternate the regular and synthetic". Who would do such a thing? > Nonesense! > > Regards, > Jim Davis > |
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