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    Jul 15, 2005 5:38:31 PM

    Poorchp
    Newbie
    Poorchp
    Loc: VA, USA
    Posts: 3, Gallery
    Registered on: Jun 6, 2005

    Longest 2000 miles of my life

    Break in is taking FOREVER! I've driven 3 trips now, for a total of 1100 miles in the month and half I've owned the 997S. To and from work adds a few miles each week, but not enough fast enough. It gets harder and hard to avoid open throttle starts, redline shifts, and ABS stops.

    This is cruel!

    Jul 15, 2005 5:50:58 PM

    jjr1
    Co-Pilot
    jjr1
    Loc:
    Posts: 213, Gallery
    Registered on: Aug 19, 2002
    Reply to: Poorchp

    Re: Longest 2000 miles of my life

    I would say your running in method is pointless anyway because if you are car is doing lots of short trips it is not getting warm enough nor bedding in properly.

    I just drove some longish trips up to about 500 miles and nailed it. Its a performance car so you might as well !

    Jul 15, 2005 6:00:59 PM

    MMD
    Rennteam VIP
    MMD
    Loc: usa
    Posts: 9652, Gallery
    Registered on: Dec 16, 2004
    Reply to: jjr1

    Re: Longest 2000 miles of my life

    Just make sure the car is fully warmed up and you're "needlessly" shifting gears, to keep the RPMs varied.

    Water warms up first, takes oil (and engine) significantly longer) to reach operating temp. After that op temp is achieved I reason the engine doesn't care if it's run for ten minutes of four hours.

    When Porsche says "take long trips" that might be another translation quirk, like they say put "vaseline" on wheels. I think they mean trips as long as it takes for the engine to get to full at operating temp.

    Jul 15, 2005 6:01:46 PM

    MattTheCarNut
    Pilot
    MattTheCarNut
    Loc: Austin, Texas
    Posts: 329, Gallery
    Registered on: Jun 12, 2005
    Reply to: jjr1

    Re: Longest 2000 miles of my life

    I like jjr1's way of thinking. You do know that break in is 1000 KM in the rest of the world, right?

    Just floor it!

    Jul 15, 2005 6:04:26 PM

    MMD
    Rennteam VIP
    MMD
    Loc: usa
    Posts: 9652, Gallery
    Registered on: Dec 16, 2004
    Reply to: Poorchp

    Re: Longest 2000 miles of my life

    Quote:
    Poorchp said:
    Break in is taking FOREVER!

    This is cruel!


    nah, not THAT big a deal. When I achieved required mileage on my 986S, it was amazing fun for about a half hour and then you get over it, so to speak. So relax, it's not like the whole car transforms into a CGT! THAT would be torture.

    hang in there

    Jul 15, 2005 7:09:24 PM

    Leong
    Co-Pilot
    Leong
    Loc: Auckland, NZ
    Posts: 284, Gallery
    Registered on: Dec 24, 2004
    Reply to: Poorchp

    Re: Longest 2000 miles of my life

    Quote:
    Poorchp said:
    Break in is taking FOREVER! I've driven 3 trips now, for a total of 1100 miles in the month and half I've owned the 997S. To and from work adds a few miles each week, but not enough fast enough. It gets harder and hard to avoid open throttle starts, redline shifts, and ABS stops.

    This is cruel!



    I took a few days off work and just drove and enjoyed my new car out in the country. My first Porsche... Best thing I did... a great holiday! Did the suggested 3000km in a week and so didn't have to feel guilty about using those revs after. SUrely you could take longer trips in the vast USA!!

    Jul 15, 2005 7:38:34 PM

    fritz
    Rennteam VIP
    fritz
    Loc: BaWü , Germany
    Posts: 10248, Gallery
    Registered on: Jul 23, 2003
    Reply to: Poorchp

    Re: Longest 2000 miles of my life

    Quote:
    Poorchp said:
    Break in is taking FOREVER! I've driven 3 trips now, for a total of 1100 miles in the month and half I've owned the 997S. To and from work adds a few miles each week, but not enough fast enough. It gets harder and hard to avoid open throttle starts, redline shifts, and ABS stops.

    This is cruel!



    Look on it as being character-building.

    Jul 15, 2005 7:38:49 PM

    MMD
    Rennteam VIP
    MMD
    Loc: usa
    Posts: 9652, Gallery
    Registered on: Dec 16, 2004
    Reply to: Leong

    Re: Longest 2000 miles of my life

    I'm among the believers in getting a good number of stone-cold to operating temp to stone-cold cycles into the break in period.

    The metalurgy indicates that metals must be "seasoned" which means brand new castings (engine block and heads) don't have their natural service "memory" until repeated cold-hot-cold cycles. So to best break in your engine it is impt that it achieve this memory (become seasoned) as the other parts are seating and wearing-in.

    IOW, one or two 1000 trips are probably not as "good' as several 100-200 mile trips where the engine is allowed to totally cool off between trips.

    Jul 15, 2005 7:46:07 PM

    wtsnet
    Rennteam Pro
    wtsnet
    Loc: Bath, UK
    Posts: 2430, Gallery
    Registered on: Nov 19, 2004
    Reply to: Poorchp

    Re: Longest 2000 miles of my life

    Quote:
    Poorchp said:This is cruel!


    This is even more cruel...

    ...I broke 2000 miles yesterday.

    Woo-hoo!

    Jul 15, 2005 8:04:33 PM

    Leong
    Co-Pilot
    Leong
    Loc: Auckland, NZ
    Posts: 284, Gallery
    Registered on: Dec 24, 2004
    Reply to: MMD

    Re: Longest 2000 miles of my life

    Quote:
    MMD said:
    I'm among the believers in getting a good number of stone-cold to operating temp to stone-cold cycles into the break in period.

    The metalurgy indicates that metals must be "seasoned" which means brand new castings (engine block and heads) don't have their natural service "memory" until repeated cold-hot-cold cycles. So to best break in your engine it is impt that it achieve this memory (become seasoned) as the other parts are seating and wearing-in.

    IOW, one or two 1000 trips are probably not as "good' as several 100-200 mile trips where the engine is allowed to totally cool off between trips.





    Point taken. I read previous threads on breaking in while waiting for my car and decided this was most appropriate for me. We did anywhere from 400km to 700 per day.

    I only drive 7km in traffic to work and back, and the oil hardly reaches operating temp, so IMO it would have been worse to subject my engine to this, than running in at higher temps with less thermal cycling.

    Jul 16, 2005 7:39:50 PM

    SoCal Alan
    Rennteam VIP
    SoCal Alan
    Loc: Orange County , United States
    Posts: 7268, Gallery
    Registered on: Mar 6, 2004
    Reply to: Poorchp

    Re: Longest 2000 miles of my life

    It took me forever to reach 2000 miles, also. But the car sound so much nicer above 4000 rpm! Can't wait to get the PSE installed!
     
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