1973 Porsche 911 ST Tribute 3.0L

We are pleased to present this 1973 Porsche 911 ST Tribute.  In 2006, a prominent Porsche collector is said to have commissioned an exact copy of his genuine 911 ST that could be properly driven and enjoyed.  As per the original ST, he sourced a German market 1973 911S and instructed Porsche Specialist Auto Knoll of Germany to carry out the ST-style transformation with no-expense-spared.  A new twin-plug 3.0L flat-six was built by Supertec Performance and installed for a dyno-tested output of 315 HP.  The car was enjoyed for several years before it was sold to the next lucky owner in 2013, who had Prill Porsche Classics of England perform a comprehensive strip-down, refresh and overhaul spanning 2014-2015.  It has since been imported to the U.S. where it is now being offered by its seller in New York.

During its initial transformation in the 2000s, this 911 was completely disassembled and professionally refinished in Light Ivory.  The paint is said to remain in excellent shape with some minor road-going imperfections on the front end.  In ST fashion, this example has been outfitted with fender flares (fiberglass), a front spoiler, a modified rear bumper, a composite decklid, front hood tie-downs, and lightweight plexiglass windows (excluding the windshield).  Other features include external cutoff switches, black lower Porsche graphics, and staggered-width 15” Fuchs wheels that come dressed in Pirelli Cinturato P7 tires.

The interior has been converted to a racing cockpit with the addition of a full roll cage, lightweight carpet kit, fire suppression system, and Recaro Apex seats with Schroth harnesses.  Other details include a drilled-aluminum dead pedal, lightweight door panels, a rear seat delete, and a MOMO Prototipo steering wheel.  The analog clock has been removed along with the radio, and the odometer currently shows just over 6k kilometers (3,700 miles).  The true mileage remains unknown.

The original motor was swapped out in favor of a custom 3.0 L flat-six specially built by Supertec Performance of California in 2007.  The initial proposal for the engine totaled over $32k and includes a dual-plug ignition system, an aluminum 911SC case, a custom MFI system, 95mm Mahle RSR pistons and cylinders, billet camshafts, Carillo rods, Turbo valve covers, Carrera chain tensioners, an aluminum RSR flywheel, and custom stainless-steel headers.  A dyno-tested output of 315 HP is sent to the rear wheels by way of a 5-speed 915 manual gearbox.  Other features include a front strut tower brace and an FIA-FT3 fuel cell.  Extensive amounts of refurbishment were carried out by Prill Porsche Classics as outlined in the provided invoices, and the engine was fully gone through and resealed by DeMan Motorsport in June of 2020.

This sale will include a clean New York title.  Offering the iconic looks of the original 911 ST with upgraded air-cooled performance, this no-expense-spared tribute is sure to satisfy any Porsche enthusiast.

Auction Results

  • Sold for: $180,000
  • Auction End: Jan. 21, 2021, 3:42 p.m.
  • Number of Bids: 13
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Comments (30)

  • Petracing 1 month, 1 weekago

    Sold for $180,000

  • Upshift4 (registered bidder) 1 month, 1 weekago

    WOW

  • Petracing 1 month, 1 weekago

    Bid in the amount of $180,000

  • JMLCT203 1 month, 1 weekago

    Bid in the amount of $175,000

  • Petracing 1 month, 1 weekago

    Bid in the amount of $170,000

  • JMLCT203 1 month, 1 weekago

    Bid in the amount of $165,000

  • Petracing 1 month, 1 weekago

    Bid in the amount of $158,000

  • JMLCT203 1 month, 1 weekago

    Bid in the amount of $155,000

  • DriverM (seller) 1 month, 1 weekago

    @911reasons That is the part number for a 3.0 Liter engine case.

  • 911reasons (registered bidder) 1 month, 1 weekago

    Does the 930 casing stamp mean that a 930 turbo engine block was used for the engine build by Supertec?

  • uptoit320 1 month, 1 weekago

    Bid in the amount of $147,000

  • JMLCT203 1 month, 1 weekago

    Bid in the amount of $145,000

  • DriverM (seller) 1 month, 1 weekago

    @scuderia I just inspected the exhaust and like the headers, the muffler is hand made. It was manufactured by a company called Scart. Here is a link to the same exhaust and an explanation as to why there are 3 pipes. https://scart.com/en/porsche/911-1963-1973/muffler-2-in-3-out-with-long-tail-pipes/81-51

  • Astonmartin66 (registered bidder) 1 month, 1 weekago

    @TThom85 Agreed, this car is gorgeous and perfect. Seller should have skipped BaT and listed it here first. I'd bid if I hadn't recently bought a longhood on this site just under a year ago. Only so many excuses my wife will accept as to why I need yet another Porsche...

  • TThom85 1 month, 1 weekago

    Agree it’s perfect.

    Same car was RNM at $145k on BaT recently.

    https://bringatrailer.com/listing/1973-porsche-911s-st/

  • DriverM (seller) 1 month, 1 weekago

    @scuderia The car has a set of custom built stainless headers. I will have to confirm the make of the baffle.

  • scuderia (registered bidder) 1 month, 1 weekago

    @sycleboy what exhaust are you running?

  • jurryouter11 1 month, 1 weekago

    Bid in the amount of $135,000

  • DriverM (seller) 1 month, 1 weekago

    @Craignyc Absolutely. When would you like to see it?

  • Craignyc (registered bidder) 1 month, 1 weekago

    Is it possible to come see the car?

  • JMLCT203 1 month, 1 weekago

    Bid in the amount of $130,000

  • DriverM (seller) 1 month, 1 weekago

    @911reasons The third exhaust pipe is there so that if someone wanted to lower the Db's, the other two exhausts could be capped.

  • isochannel2 1 month, 1 weekago

    Bid in the amount of $122,000

  • 911reasons (registered bidder) 1 month, 1 weekago

    Why is there a third exhaust pipe out the back?

  • sycleboy (registered bidder) 1 month, 1 weekago

    Sounds just like my 72 MFI 2.7, very cool

  • crafty1air 1 month, 2 weeksago

    Bid in the amount of $120,000

  • JMLCT203 1 month, 2 weeksago

    Bid in the amount of $100,000

  • automotiveartist (registered bidder) 1 month, 2 weeksago

    This car is BEAUTIFUL. The sound of that exhaust makes me QUEASY...I'M IN LOVE. GOOD LUCK with the auction. If you or the new owner would ever like a painting, please let me know. I am auctioning a painting currently on pcarmarket.
    DRIVE YOUR PASSION!!!
    Michael

  • Ziccolumbia 1 month, 2 weeksago

    This car might be the perfect Porsche.

  • DriverM (seller) 1 month, 2 weeksago

    I am here to answer any questions to the best of my ability.
    Having owned literally hundreds of Porsche cars, this 911 is truly exceptional.
    It is well sorted and much time and effort has been made to find that perfect sweet sport between performance and drivability.
    It is tight, nimble, quick and STUNNING!!! Please bid with confidence.

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1973 Porsche 911 ST Tribute 3.0L
Final bid: $180,000 This auction has ended.