930 Turbo Carrera | Page 192 | FerrariChat

930 Turbo Carrera

Discussion in 'Porsche' started by joe sackey, Nov 7, 2011.

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  1. idart

    idart Formula 3
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    May 9, 2012
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    #4776 idart, Sep 19, 2015
    Last edited by a moderator: Sep 7, 2017
    I've got a 1975 vinyl speaker dash installed with the original still in a box. Once I figure out how Porsche fitted these for 1975, I can always reinstall the original.

    I topped off the tank today with 91 Octane, 0% Ethanol. You can see the speaker dash in the photos. The speaker sounds good with the Köln on :)

    I really like the H4 city lights feature. Fred, is it true that in the 1970s, for major cities in France, city lights (vs. low/high beams) were required to cut down on light pollution?
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  2. cnpapa24

    cnpapa24 F1 Rookie

    Jan 19, 2014
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    Hood latch was released. My comment was directed more towards how good the car looks in these pics, but was in pretty bad shape in person.
     
  3. rdwinelover

    rdwinelover Formula Junior

    Feb 27, 2015
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    San Francisco
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    Jamie
    Does anyone know where 0% ethanol gas is sold in San Francisco, Marin or Sonoma county? Sonoma racetrack has 96 octane but it supposedly contains ethanol.
     
  4. Giuliakeka

    Giuliakeka Formula Junior

    Oct 29, 2013
    328
    Paris
    Very nice photos. I also ride my car today and still wonder weather the dashpad I have is leather or Vinyl. might be well cook leather ! It's a shame and will go to check it.
    Never heard about cut down on light pollution in 70. I, also , always like those lights feature.

    Do you only have 91 octane in Us ? The manual specify 96 minimum.
     
  5. thomasandersen

    thomasandersen Karting

    Mar 26, 2013
    86
  6. idart

    idart Formula 3
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  7. joe sackey

    joe sackey Five Time F1 World Champ

    May 23, 2006
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    You can see the Japanese speedo in the interior pics.

    Many more 3.0 930s are wearing tartan seat inserts than ever left the factory with them.
     
  8. thomasandersen

    thomasandersen Karting

    Mar 26, 2013
    86
    But on the Kardex info what you get from Porsche classic you will be able to see the interior m option code, so if it was a non tartan vehicle it should be easy to tell no?

    thanks

    regards Thomas
     
  9. joe sackey

    joe sackey Five Time F1 World Champ

    May 23, 2006
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    Sure, but it seems popular to put them in anyway.
     
  10. rdwinelover

    rdwinelover Formula Junior

    Feb 27, 2015
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    Jamie
    Same applies for the Turbo stripe. If it doesn't say Turbo Designation black or white, it shouldn't have the stripe. The viper green 1976 930 that recently sold, shouldn't have had the black stripe nor should several symbolic flipped cars. For some I guess it's a cheap attractive option even if not on the COA which is a shame.
     
  11. Jebus005

    Jebus005 Rookie

    Sep 16, 2015
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    Melbourne Australia
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    #4787 Jebus005, Sep 19, 2015
    Last edited by a moderator: Sep 7, 2017
  12. joe sackey

    joe sackey Five Time F1 World Champ

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    Agreed.

    I mostly regard the post-production application of Tartan & graphics (especially in recent times) as being done for resale appeal.
     
  13. idart

    idart Formula 3
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    Here's the California stations...

    Ethanol-free gas stations in the U.S. and Canada

    The station I went to today sells 96 octane ethanol-free in cans but it's very expensive. I use BG 44K in every other fill-up and it boosts the octane and cleans the fuel system at the same time.
     
  14. idart

    idart Formula 3
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    I really don't have a problem deviating from the COA as long as it's period-correct. For example, I would not hesitate to install sport seats in a car that wasn't optioned with them as long as they are the correct vintage for 3-liter Turbos (just keep the originals). Tartan-dress seat inserts are more permanent but once again, if you have a spare set of period-correct seats for the tartan inserts, it's a cool iconic look. The 3-liter Turbos are so easy to work on you can R&R a set of seats in 30 minutes...no power cords, super light, no drama. Stripes are easy on-off so no big deal either (although Turbo stripes are very expensive).
     
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  15. cal007

    cal007 Karting

    Oct 23, 2014
    65
    Hi, I would like to share a recommendation for those who can get only ethanol added gas.
    you can add, in the relation 1:100 or 1:150, API TC oil (this is the oil used for 2 cycles control mode engines).
    Here in Germany this is very common for the old engines, especially those with injection system.

    The reason is that the oil has ingredients with cleaning and lubrication properties.
    3 or 4 decades earlier the gas was able to lubricate, especially in regard to injection systems, by its properties itself. Today these prop. are gone.

    The modern API TC oil is already engineered to not make any smoke etc

    Effects:
    - lubrication of injection system
    - cleaning properties (residues disappear over time, especially in the fuel system and pistons)
    - protects from corrosion (including the exhaust system)

    There are uncountable reports of experiences. For those who can translate from German, have a look here for example. (sitename: pagodentreff, search for: 2 Taktöl Einspritzsysteme)

    The subject is discussed controversy as there are always people stating that all this is bulls...

    As a mechanical engineer I just tried it myself (knowing at least that it can not harm anything) to check if there is any effect as reported. I am not moving many kilometers per year but pistons and injection system stay clear so far. Before there were always some carb residues at the pistol bottom and at the injectors tip.... at least the effect of that being avoided, I can confirm myself from experience on a 930 turbo 3.0.

    Refering to a post before, I would refrain from using 91 octane petrol. It may not be a problem at low rpm, but it could be bad when reving up.

    Besides adding the oil improves the knock resistance as well.... this is a welcome effect as petrol at specified octane values today (with added ethanol) has a lower knock resistance compared to the petrol 30 years ago (when there was also plumb in the gas). So 95/96 octane today would not meet the spec of the one 30 years ago....(when to comes to knock resistance)

    cal
     
  16. pquadrat

    pquadrat Karting

    Jan 6, 2015
    73
    There are different "Octaen Numbers" for gasoline: https://en.wikipedia.org/wiki/Octane_rating

    There are the MON (Motor Octane Number), and the RON (research octane Number),
    and on US gas pumps, a value is listed that is calculated (RON+MON)/2. MON is typically 8 to 12 lower than RON, so a "91 Octane" gas would have a RON of 95-97.

    In Germany the specification for cars is given in Research Octane Number (RON), and the Turbo requires RON 96. "91 Octane" should meet this.
     
  17. idart

    idart Formula 3
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    #4793 idart, Sep 20, 2015
    Last edited by a moderator: Sep 7, 2017
    Very nice! Your interior is a RHD mirror of ’75 #0242s.
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  18. vargas

    vargas Karting

    Feb 17, 2012
    86
    +1 on that,a lot of "it shouldn't and cant" on this great forum lately.
    Which i think is everybody's own choice and no,no stripes on my 930's
     
  19. Giuliakeka

    Giuliakeka Formula Junior

    Oct 29, 2013
    328
    Paris
    Rare to see a car without front door speaker. Was it delivered with Koln Blaupunkt ?
    If your dashboard original, would be nice to have a close foto

    Very nice car. I remembered it from an old 75 930 forum on pelican.
     
  20. joe sackey

    joe sackey Five Time F1 World Champ

    May 23, 2006
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    No shouldn'ts or cants, rdwinelover & myself simply making true observational comments mostly for the uninitiated. In any mature community, the owner's prerogative to do what they want is a given, and well-understood. So is the desire of any enthusiast to appreciate the cars in a correct-for-period guise as they existed, and you can see the latter demonstrated all over this thread. In fact its one of the reasons the thread was started.
     
  21. idart

    idart Formula 3
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    #4797 idart, Sep 20, 2015
    Last edited by a moderator: Sep 7, 2017
    My '75 Turbo still has the original H4 headlamps installed, Porsche part # 911.631.113.00.

    Bosch used a date code and my passenger side H4 decal has "522" (my driver side's "5" was obscured - "_22"). Code 522 indicates a February 1975 production and this matches most of my dash instrument dates.
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  22. idart

    idart Formula 3
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    #4798 idart, Sep 20, 2015
    Last edited by a moderator: Sep 7, 2017
    Good catch - 91 Octane should be close to 96 RON.

    Here's a photo that shows the 96 RON decal inside my gas fill cover and on my gas cap. I'm sure reproduction decals are available but I'm thankful mine are original and were not blown away by a repaint/restoration. The "Super" lettering on the gas cap has even worn off from use :)

    What's "ROZ"?
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  23. pquadrat

    pquadrat Karting

    Jan 6, 2015
    73
    German for RON, Research Oktan Zahl (Zahl = Number).
     
  24. Jebus005

    Jebus005 Rookie

    Sep 16, 2015
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    #4800 Jebus005, Sep 21, 2015
    Last edited by a moderator: Sep 7, 2017
    Thanks Guys, this is a great site with lots of great info and comments.

    I have a document from the person I purchased it from (2nd owner) that details how he purchased it in 1998 (89,190 km) and the work performed to make it road worthy. The document indicates that it was unregistered sitting in a barn since 1993/1994. He put oil in the cylinders and turned it over by hand, new battery, fuel and drove it home on trade plates.
    He did all the usual required things to bring it back to top condition.
    The document indicates that the dash was not removed however he did replace the radio for a CD player, I purchased it in 2006.

    Let me know if you would like any more photos of the dash (let me know what section you want to see).
    I have attached a close-up photo of the original drivers side mirror, I believe these are rare as many people replaced them for the later type.

    Norm
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