I just got an '85 scirocco with around 100K miles on it. The engine is from an '84 GTI. I was wondering if there is a possibility of changing to synthetic oil without replacing all the seals and such. Is synthetic really worth it? What about semi-synthetic? -- To subscribe or unsubscribe, send email to scirocco-L-request@scirocco.org, with your request (subscribe, unsubscribe) in the BODY of the message.