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Thread: Type 901/xx Engine Build #'s

  1. #21
    Senior Member Cliff's Avatar
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    Davep PM sent

  2. #22
    early one..... 901467 901/01 1367
    Richard aka le Zookeeper
    early reg #1128

  3. #23
    Senior Member Cliff's Avatar
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    case halves ID # 767 for 900685 901/01 585
    Attached Images Attached Images  

  4. #24
    al
    3280442
    901/14
    11233


    al - one of last 150 aluminum engines
    3280620
    901/14
    12050

    mg
    6391343
    901/10
    22398
    Glenn Stazak

  5. #25
    901/05 908164 5032
    al
    Glenn Stazak

  6. #26
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    Thanks all. Glenn's build 12050 puts the change from Al to Mg to between 12061 and 12155; we are getting close. With 50 type 901/14 built in the range 144 engines there were obviously at least two engines in current production at the time, and possibly all 9 types involved in the change.
    Porsche Historian, contact for Kardex & CoA-type Reports
    Addicted since 1975, ESR mbr# 2200 to 2023 03
    Researching Paint codes and Engine Build numbers

  7. #27
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    Thanks to Grady Clay and others, there are about 10 more in the list since my last post.
    Porsche Historian, contact for Kardex & CoA-type Reports
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  8. #28
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    Bob Fleming provided this image on the Pelican thread, and it clearly shows that the factory calls these internal numbers:
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    Porsche Historian, contact for Kardex & CoA-type Reports
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    Researching Paint codes and Engine Build numbers

  9. #29
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    Okay, today Jim supplied a fact that helped me out a lot. With engine # 908185 being the end of type 901/05 907001 series it enabled me to calculate the changeover in the build numbers. I knew it was the last possible serial # from the build data, but had no proof it was. I'm betting that the type 901/20 engines are the ones making small gaps in the 901/05 build data from 3879. If I was to take a wild guess that 907001 was 3839, then with 908185 at 5053 it makes a gap of 30 unknown engines (well okay, we know one was a type 901/20) in all the type 901/05.
    Dave
    Porsche Historian, contact for Kardex & CoA-type Reports
    Addicted since 1975, ESR mbr# 2200 to 2023 03
    Researching Paint codes and Engine Build numbers

  10. #30
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    This just came in from an eBay vendor: 901/01 903812 3724
    This build is a big jump from 3156 which was still in sync with the serial #'s. However it is only out by 12, and we have 901/20 906106 3629 before it. This leads me to propose that the 901/20 engines may have started at 906101 and that at least a dozen were built.

    I removed 901/02 960151 3584 from the list since this no longer fits the pattern and I must consider the build # suspect. I'll have to check my source to verify the correct #'s. You can really assist me in the research if you can send me build #'s for late 901/01 engines (903000 to 9039xx), and any early 901/02 engines (96xxxx).
    Porsche Historian, contact for Kardex & CoA-type Reports
    Addicted since 1975, ESR mbr# 2200 to 2023 03
    Researching Paint codes and Engine Build numbers

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