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Thread: Odd engine case.

  1. 07-23-2014, 03:38 PM #1
    redducati750
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    Odd engine case.

    This one has me stumped and I would like to call on the collective wisdom of the board. The backstory for the car that this motor is in goes something like this: Euro delivery 73 coupe, nice sporty options. As far as I can tell, in the states since the late 70s early 80s. Off the road since 1990 with an owner who is very much out of the early 911 loop.

    The serial number decodes to a factory rebuilt 2.7 RS motor from 74, the model number is 911/52 and not the 911/83 that I would expect. The serial number has the correct factory font and looks kosher to my eyes as does the rest of the motor. The story that went with the car was the motor was a factory rebuild done under warranty in 74 and dealer installed. Allegedly, the owner wanted a bit more power. The way the rest of the car is optioned, this seems plausible but I have no documentation to confirm and the cardex is void of any reference. Thoughts?
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  2. 07-23-2014, 07:23 PM #2
    72targa
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    Engine # reference - KD 6641314
    Peter Kane

    '72 911S Targa
    Message Board Co-Moderator - Early 911S Registry #100
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  3. 07-23-2014, 08:22 PM #3
    91133
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    Post the casting numbers/part numbers from the stacks and the MFI pump please - that will give a lead to how 'factory' any conversion may have been.
    Early S #2826

    Garage:
    '73 E (2.7RS replica) - sold
    '94 968 Clubsport M030 - sold
    '67 250SE Cabriolet - sold
    '71 Skyline GT - sold
    '69 911S - sold
    '73 911T/RS
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  4. 03-10-2015, 04:22 PM #4
    72targa
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    For sale on eBay...

    http://www.ebay.com/itm/Porsche-911R...64fb71&vxp=mtr
    Peter Kane

    '72 911S Targa
    Message Board Co-Moderator - Early 911S Registry #100
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  5. 03-10-2015, 06:37 PM #5
    Mr9146
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    The "3" is wrong...
    -Marco
    SReg. #778 OGrp: #8 RGrp: #---
    TLG Auto: Website
    Searching for engine #907495 and gearbox 902/1 #229687
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  6. 03-11-2015, 02:34 PM #6
    Rolly
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    I think it's an 8

    Regards
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  7. 03-11-2015, 03:33 PM #7
    Mr9146
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    Quote Originally Posted by Rolly View Post
    I think it's an 8

    Regards
    Could be, but I don't think so. I've zoomed in super closely and it doesn't look like a lightly struck 8...it looks like a wrong font 3 to me.
    -Marco
    SReg. #778 OGrp: #8 RGrp: #---
    TLG Auto: Website
    Searching for engine #907495 and gearbox 902/1 #229687
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  8. 03-11-2015, 05:10 PM #8
    Flieger
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    on my monitor it looks like KD 6641814
    1971 911S, 2.7RS spec MFI engine, suspension mods, lightened
    Early 911S Registry Member #425
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  9. 03-11-2015, 07:37 PM #9
    fryardds
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    Definitely KD 6641314, but it doesn't matter as none of fonts are consistent with Factory stamped serial numbers. The only original marking is the remnants of a 'star' to the far right (or beneath as it sits in the car) of the number sequence. All this probably means is the person who ground off the original serial numbers didn't completely grind off the original star and then stamped the engine serial number for a '74 Carrera 2.7.

    This is NOT an original Factory RS motor. Based on the description it was a 2.4L E engine originally.
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    Brian

    '71T
    R Gruppe #299
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  10. 03-11-2015, 07:56 PM #10
    Mr9146
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    Quote Originally Posted by Flieger View Post
    on my monitor it looks like KD 6641814
    Get your monitor fixed.

    Brian took the time to type everything I was saying to my computer screen. Thanks, Brian.
    -Marco
    SReg. #778 OGrp: #8 RGrp: #---
    TLG Auto: Website
    Searching for engine #907495 and gearbox 902/1 #229687
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