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Thread: Type 901/xx Engine Build #'s

  1. #121
    As Dave says, it looks like the production period for the 67S model year is unusual compared to the normal model year period that lasted from late Aug to late June. Looks like the production of the 67S started in early may 66.

    J
    Early 911S Registry #931
    --------------------------------
    1971 911 2.2S Coupe Albert Blue
    1971 911 2.2T Coupe Tangerine
    2005 997 C2S Coupe special 1965 slate grey
    1978 911 3.0 SC Targa Silver w/chrome trim

  2. #122
    Thats interesting - i'd missed that post in the past, I'd never heard of an S before July.....but May.....wow

  3. #123

    My engine

    903868. You already have it Dave. But now add the pairing number:623. More to follow later, in a couple days (work).
    -Allen-
    Attached Images Attached Images   

  4. #124
    Senior Member
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    Burford, ON, Canada
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    Thanks Guys. Check out build 11474 in my first post. That has got to be the most unusual engine I've ever laid my hands on. I checked it out yesterday. The build number puts it in early 1968 and was built as normal in the engine shop getting all the numbers stamped as usual. However, this is a magnesium case built before the base change in the engines. The serial number is totally at odds with what we know: the 44 is an unknown code series, and the 9 should stand for the production model year 1969, yet this is far earlier than any 69 engine. The type # is for a 1969 S, but this does not appear to apply to this engine: it had Webers (stolen) with 27mm venturies, and the short manifolds had 40mm carb side port and 32mm head side ports. No distributor. Magnetic (iron?) cylinders. Flywheel has about 1cm holes drilled all around behind the ring gear. No other obvious indications of unusual provenance. Owner will remove one side of engine to check heads, pistons, crank and case internals over the winter. Where is the date code located on the case? I called up Grady Clay and Bruce Anderson, and neither have knowledge of this engine series. Bruce was called up over 20 years ago by the owner, and had no advice then. This engine was in a 1968 that was imported by a serviceman posted to Germany. The car sat from about 1980 to 1986 when the current owner of the engine bought the car. The body was so rotted, that it fell apart in only 3 days of driving. An electrical short caused a fire that put an end to the car, and the engine was removed at that time. He was told that the engine was not original to the car. From the serial # we can surmise that at least one other engine of the same type was built. So, was this an experimental engine to test the new magnesium cases made from the new tooling? It makes sense to do some testing before the wholesale conversion from one process to another.
    Porsche Historian, contact for Kardex & CoA-type Reports
    Addicted since 1975, ESR mbr# 2200 to 2024 03
    Researching Paint codes and Engine Build numbers

  5. #125

    Very Interesting

    Dave,

    Fun one! I think you're right: a protoype magnesium case engine. "Hey Hans, runs good, no problems. Might as well put it in a car and get some money back on it! 4490001 probably blew up
    Thanks.

    -Allen-

  6. #126
    David,

    I came across this one

    903352
    901/01
    3252

    pairing number not posted

    http://www.thesamba.com/vw/classifie....php?id=833949

    Richard

  7. #127
    Senior Member
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    Thanks, that extends the synchronicity by another 100 builds. Only another 260 builds to find the first 901/20 engine.
    Porsche Historian, contact for Kardex & CoA-type Reports
    Addicted since 1975, ESR mbr# 2200 to 2024 03
    Researching Paint codes and Engine Build numbers

  8. #128

    On my new-to-me Alu case

    Where is this "date stamp" located? This picture is from another engine (in the data base) but I can't find this stamp on my engine. Thanks.
    Attached Images Attached Images  

  9. #129

    Answering my own quesstion

    Numbers folks,

    Thanks to my very good friend Richard, "304678" in NL, I found the date stamps. Makes sense too, of course, since my engine would have gone into its 911 chassis in around Feb. 1966.

    -Allen-
    PS I see I need to do a little more cleaing.




  10. #130
    Senior Member Carparc's Avatar
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    Feb 2009
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    Costa Mesa / Long Beach CA USA
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    Hi Dave,

    With my my 1964 300215 came an engine from 1965, here are the numbers so you can add them to your list:
    902248 901/01 2148

    Let me know if you need more pictures.

    Regards, Henk.
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    Henk Baars owner of CarparcUSA LLC
    www.CarparcUSA.com
    www.911WoodDashRegistry.org

    S Registry #1490
    '68 911L Targa Sea Green
    '66 Volvo 123GT
    '62 Volvo P1800

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