switching to synthetic
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This is a discussion on switching to synthetic within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; well i got 48,xxx kmi on the odometer 02 wrx 5mt and i wanted to know if it was bad ...

  1. #1
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    switching to synthetic

    well i got 48,xxx kmi on the odometer 02 wrx 5mt
    and i wanted to know if it was bad to switch this late in the game b/c of the detergents in the synthetic breaking down engine seals or what ever i heard form others

    ps i read the oil change thread
    thnx
    2002 PSM WRX 5mt Hella Slammed/Turboswapped/DomTuned/Daily RIG

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    Registered User teflon_jones's Avatar
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    Quote Originally Posted by spoolordie View Post
    b/c of the detergents in the synthetic breaking down engine seals or what ever i heard form others
    Who says it breaks down engine seals? That's the biggest load of BS I've ever heard.

    Synthetic is superior to conventional oil so I highly recommend you switch. I'd also recommend using a high quality oil filter too.
    Scott
    Past Subies - '11 STI Limited stage 1+ and '04 STi stage 2+
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    Quote Originally Posted by teflon_jones View Post
    Who says it breaks down engine seals? That's the biggest load of BS I've ever heard.

    Synthetic is superior to conventional oil so I highly recommend you switch. I'd also recommend using a high quality oil filter too.
    Although Synthetic oil doesn't "break down" oil seals switching definately has its draw backs... So don't just immediately shout o thats a bunch of bs. What can happen is while using conventional oil you end up with paraffin deposits around seals. Now this "wax" basically does a pretty good job of stopping oil from getting to the seal. What happens then is the seal drys out from lack of lubrication. Now when people with these deposits switch, the paraffin gets cleaned out and now the seals are left to do the sealing agian. Since some of these seals have lacked proper lubrication they may not seal as they once did. You may get oil consumption between change intervals. Either way with that mileage you shouldn't have any problems switching, just keep a eye on your oil on the first change. That seems to be when it tends to burn the most, in my experience
    Last edited by TrackReady; 06-29-2008 at 08:57 PM.
    2002 SRP wrx mt sedan
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  5. #4
    DUB
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    I bought my car at 52,000mi. I don't know what kind of oil was used before I owned it, but I immediately switched to M1.

    I burn exactly 0 oil between changes. The oil level stays just under the full hole for all 3000 miles.

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