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Thread: The Un-Ubiquitous Carrera 3.0

  1. #1

    The Un-Ubiquitous Carrera 3.0

    1976 was a busy year for Porsche as the factory began to evolve the 911 with expanded boulevard offerings featuring a coupe and targa version utilizing 2.7L CIS engines, the last few of the Carrera 2.7 MFI coupes (123), a brand new 3.0 Turbo with fat bodied fenders and whaletail, and a top-of-the-line normally aspirated 911 making use of the the new Turbo 3 liter case....the Carrera 3.0. It was the first year that Porsche began dipping complete bodies in a liquid zinc bath for better protection from rust, a complete innovation in the auto industry at the time, which led Porsche to offer a 6 year warranty on the floor pan and the entire stressed structure (details lifted from the Boschen/Barth Porsche Book).

    The Carrera 3.0 was not available in the US, and the factory produced only 1093 coupes and 479 targas in 76, and in 77 built 1473 coupes and 646 targas...which makes these cars un-ubiquitous in 2011. (ubiquitous...present or appearing to be found everywhere, omnipresent). The factory offered the 3.0 with stronger aluminum cased engines utilizing Bosch's CIS to meet emission and sound requirements with 200 hp to replace the emission challenged Carrera 2.7 MFI cars, and of course they had to perform better (or at least as good) as their predecessor (210 hp). Paul Frere discussing tests of the C3.0 vs. the C2.7 says: " the loss of 10 hp in the I series Carrera 3.0 engine compared with its 2.7 litre predecessor is of very little consequence, maximum speed being reduced by a mere 2 mph to a still very useful 146.2 mph, with all standing start acceleration figures practically identical or, if anything, on the better side of it. Flexibility, however, which was already excellent with the 2.7 litre Carrera, shows a quite dramatic improvement, 25-50 mph time in 5th gear dropping from 14.1 to 9.4 seconds, the 50-75 mph time from 12.1 to 10.4 seconds, and the 75-99.5 mph time from 12.4 to 10.7 seconds.

    The C3.0 had 39/36 mm intake/exhaust ports with 49/41.5 mm valves, and when modified with the 74 style exhaust systems (2 into 1 like all earlier 911s) often produce 215-220 hp at 7000 rpm. They reach the same torque value as the C2.7 (188 lb-ft) at 4200 compared with the C2.7 at 5100 with the S cams. They have same cranks as the C2.7s which makes them rev quickly compared to the later 911 SC, and tests showed the 78 SC slower than the C3.0: 6.3 sec vs 6.1 sec for 0-100 km/h, and 15.8 sec vs 15.0 sec for 0-160 km/h. When compared to the US 74/75 Carreras, with 175 hp, the C3.0 out performs them handily...6.1 sec vs 7.3 sec 0-62 mph, and 15.8 sec vs 18.7 sec 0-100 mph.

    Ok, enough specs and data comparisons...here is my 76 Carrera 3.0 in Platinum Metallic with a fresh paint job...(but no passenger seat yet, still working on the interior details). These are really sleeper cars in the 70s Carrera family, few produced, high performance, still light (1090-1100 kg--2400-2420 lb), and with the zinc coatings, most are not rust buckets when found today (at least those living in the sunny climes of the US.) A smile always comes to my face when I drive this car....it's a little hot rod for sure.

    Rick Cabell can probably tell more about these cars than anyone in the US as he imported quite a few back in the day, and has restored many, and presently owns one. I hope Rick will comment on these cars.
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    Last edited by letsrollbabe; 12-02-2011 at 04:20 PM.
    Gib Bosworth
    EarlySReg 434
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  2. #2
    I really like these cars, think they're VERY cool, and underappreciated.
    Bahia Red '72 911S
    Meerblau PTS 2019 Speedster
    GP Silver, 2018 GT2RS WP....the BEAST
    Daytona Gray 2021 RS6 Avant....BEAST #2...Best daily EVER

    ES #333

    GONE...MANY, many great ones....

  3. #3
    76 was year with many wheel size and finish options, and I have debated about which version to go with. The standard bright anodized fans were shown on a factory brochure with 6+7x15s, and according to Harvey, the so-called Turbo finish, like the ones I have on the car now, were available as an option. These were all 15" wheels, as the 16" wheels weren't available until 77. Some guys like to use the body color centers when Platinum is the body color, and another version was the anodized lips with black centers.

    Also, standard tires were 185/70 and 215/60 whether the wheels were 6+7x15 or 7+8x15, with an option for the first time using 205/50 and 225/50 on those same wheels. I am leaning toward the anodized lips with black centers, but the early style wheels are appealing because they separate the car from the really ubiquitous SCs and 3.2 Carreras. I will most likely use the 'Carrera' script also, as it has the same benefit...identifying more with the 74-75 Carreras.
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    Gib Bosworth
    EarlySReg 434
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  4. #4
    Senior Member
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    Here is one i found and saved a few mo ago 1977 3.0 ,
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  5. #5
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    And then there is my buddy's 3.0 super rare car 3.0 Martini edition he found it in frankfort in the late 70's

    Been try to buy this car for 5 yrs now

    check out this interior
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  6. #6
    Nick D member #403 nickd's Avatar
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    those seats are wild !!!

    BTW whats the triangular graphic over the rear wheel ?
    Nick D - Run Flat

    1973 RHD 911 Carrera RS #0358 - Fun Car
    2016 Cayenne Diesel - Tow Car
    2017 Macan S - Better Half's Car

    1955 356 Speedster SOLD
    1976 911 2.7 SOLD
    2006 Cayman S SOLD
    2006 Cayenne S SOLD
    2008 Carrera S F77 SOLD
    2011 Cayenne S TOTALLED (T-Boned but kept us safe)
    2015 Macan S SOLD
    2015 GT3 - Track Car
    2016 Cayenne SOLD
    2016 Cayenne GTS TOTALLED (Bloody big deer)

    Still looking for 1st Edition Carrera RS book #358.

    Life is way too short to drive boring cars.

  7. #7
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    Hi Think it was more martini strips with a porsche crest and soe race dates
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  8. #8
    I think the martini stripes were a 79 option for the Turbos and also a special SC. The 'Carrera 3.0' is in the wrong location on the lid, plus that is a 77 turbo lid. The Turbo lids with the second vent could have been purchased through a dealer and put on Carrera 3.0s, but they were not a standard option. But we know you could get almost anything from Porsche as a part or option if you were willing to pay for it.
    Gib Bosworth
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  9. #9
    The tail was added on that Martini scheme car , the vast majority of 76-77 C3's came sans m473.

  10. #10
    letsrollbabe,

    Regarding the Fuch wheel finishes. On a 76-77 C3 , the standard wheel was actually the cast 'cookie cutter' (in 6" & 7" form) . Both width sets of Fuch wheels (6" & 7" , 7" & 8") were available in both finishs. It would depend on what was ordered.

    Anodised petals - platin-dunkel vorne

    Black petals - schwarz vorne

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