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Thread: PPI for New (Used) Car

  1. #1

    PPI for New (Used) Car

    If anyone is considering the purchase of an '05 or later Porsche, especially one still under warranty, it has been recommended that you have the computer "dumped" to see if the car has been over-revved. It is the warranty killer and like the mileage and engine hours it cannot be erased. If it's a GT3 you are even more at risk and should not overlook what is readily available. I have heard recently of 3 cars that had been over-revved and henceforth unqualified for any engine warranty.

    I told you Big Bro' was going to get you in the end. Black Boxes, Drones, Cellular Call Interception, Body Scans, Crash Data Computers.

    I question when this data might become part of a CARFAX report. Could prove interesting.

    Tom
    Last edited by sithot; 01-01-2013 at 04:20 AM.
    Early S Registry #235
    rgruppe #111

  2. #2

    Excellence #207 Pre-Purchase Inspection Part II

    FWIW: The latest EXCELLENCE #207 goes into great detail about what the computer records. This is Part II of the PPI article and the author discusses the various types/levels of over-rev occurrence. It is different for the 996 and the 997. Porsche adheres to a strict policy regarding over-revving. Kiss the warranty good bye should you hit the higher levels.

    Here is an informative discussion on 6 Speed:

    http://www.6speedonline.com/forums/9...ported-ok.html

    This computer tracks many parameters that make a PPI more important than ever. Engine hours, mileage, over-rev as well as air bag deployment. These are only a FEW of the data points that are tracked. You cannot reset mileage, hours or recorded over-rev events.

    I know of one independent that has this equipment but any independent that plans to continue to perform a Pre-Purchase Inspection will need to purchase it to maintain any competitve advantage. The dealers charge a pretty tidy sum to clear codes. I have no idea what they charge to "interrogate the system".


    Tom
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    Early S Registry #235
    rgruppe #111

  3. #3
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    I believe carfax reports vary based on your subscription level. Recently, my trade-in was overanalyzed and devalued based on a claimed 'blemished' carfax report, yet as as private seller it came up spotless. Similarly, when I bought a pre owned bargain a few years back, the selling dealer showed us a spotless carfax, yet when I went to trade in the same car a few years later, that dealer was able to bring up a less than perfect carfax. To me, this shows a major flaw in the system.

    All that being said, as long as a buyer has access to the complete carfax data, and the complete mechanical history covering over-revs, at a dealer ppi, or whatever the method, I believe it is always in the best interest of the buyer to research the car being purchased, no matter how the purchase is being made, thru an authorized dealer, as a Cpo, private sale, whatever. These days, it is foolish to buy anything, including a brand new car, without doing your due-diligence.
    looking for 1972 911t motor XR584, S/N 6121622

  4. #4
    Strange that the "dealer" comes up with a way to penalize your car and you cannot find the same information. Almost seems like "the fix was in".

    Your advice should be heeded by all!

    Happy New Year!

    Tom
    Early S Registry #235
    rgruppe #111

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