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250 SWB production changes

Discussion in 'Vintage (thru 365 GTC4)' started by fskof, Sep 22, 2019.

  1. fskof

    fskof Karting

    Nov 23, 2005
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    Recently I saw a list of the changes during the 250 SWB production cycle. I can't seem to find it anywhere. I don't remember if I saw it here or in Cavallino or Forza. Has anyone else seen it?
    It listed all of the changes by year.

    Thanks
     
  2. miurasv

    miurasv F1 Veteran

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    #2 miurasv, Sep 22, 2019
    Last edited: Sep 22, 2019
    250 GT SWB body production changes posted previously by Boudewijn Berkhoff. I do not know who the copyright belongs to.

    Image Unavailable, Please Login Image Unavailable, Please Login Image Unavailable, Please Login Image Unavailable, Please Login Image Unavailable, Please Login
     
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  3. fskof

    fskof Karting

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    Thats It! Thank You
     
  4. lancia

    lancia Formula Junior

    Jan 18, 2004
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    If memory serves me, those comparison drawings were published with the SWB feature in Cavallino 25, if not, the follow-up in 26
     
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  5. John Vardanian

    John Vardanian F1 Rookie

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    #5 John Vardanian, Sep 23, 2019
    Last edited: Sep 23, 2019
  6. miurasv

    miurasv F1 Veteran

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    #6 miurasv, Sep 23, 2019
    Last edited: Sep 23, 2019
    The same outline for the body evolution is used in the illustrations and is clearly of a later SWB. Picture 4 does refer to the side window difference.
     
  7. Lusso123

    Lusso123 Formula Junior
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    Also the sweep/side shape of the tops of the front fenders (wings) change from early cars to later cars. The later cars are more flat - straight across as shown in all of those drawings, which do not show how they are on any of the early cars.
     
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  8. clive beecham

    clive beecham Rookie

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  9. 335s

    335s Formula Junior

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    Lest we forget: the 1960 run of cars was significantly more alloy(competition), than steel-which means hand made. NO english wheels-all hammers and bags and wood stumps and sacks filled with lead shot...NO 2 cars are "Identical"- even alloy cars finished the same week....
    the numbers lipped around in 1961,as recall...
    The type 61 specials(SEFACs), are a distinct, sub-variant, competition car, and isn't really the same car-it just LOOKS like the same car....

    The EARLY cars were produced AFTER the "Interim" cars which were ALL built on TdF chassis(2600 mm)...hence the nose configuration references above...
    Paso cars are of course, 2400...the gradual evolution of lines is no doubt a byproduct of these physical realities-IMO....
    times change, designs change with them...as it clearly shows...
    excellent pictorial comparisons
     
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  10. John Vardanian

    John Vardanian F1 Rookie

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    There is a picture of the two Walker cars beside one another in the pits that illustrates which is the prettier sister. It's on this forum, but I couldn't find it.

    john
     
  11. Boudewijn

    Boudewijn Moderator
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  12. Bob Zambelli

    Bob Zambelli F1 Rookie
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    Wonderful thread - thanks for posting!
    I had no idea of the number of SWB variants.
    But, I was wondering about engines.
    Assuming that there were a number of them used, how many different configurations were there?
    Did they share powerplants with any other cars, like the Californias of Testa Rossas?
    Were they inside and/or outside plug configuration?
    Three carbs? Six carbs? Different cams and compression ratios?
    Just curious!
     
  13. John Vardanian

    John Vardanian F1 Rookie

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    Thanks BB, that's it.

    john
     
  14. Jeff Kennedy

    Jeff Kennedy F1 Rookie
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    Find the old Jess Pourret book "The Ferrari Legend, 250 GT Competition", published by John Barnes. It detailed the progression from the 250 TdF to 250 GTO. There are separate sections on SWB engines, chassis and bodywork. Although the book is older and some corrections were in order, this is going to get you through the vast majority of what there is to know.
     
  15. Bob Zambelli

    Bob Zambelli F1 Rookie
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    Thanks for the suggestion, Jeff.
    I have the book and I'm amazed at the weath of information.
    It''ll keep me busy for quite a while!

    Bob Z.
     
  16. 335s

    335s Formula Junior

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    I personally can tell you it contains numerous and significant errors-based solely on the fact that:l based on THE publication date, the available, verifiable, facts... simply were not available-as easily obtained-as they are today in the :"information age". Most egregious errors of that era are in the area of the "4-liter prototypes" with the then current competition berlinetta bodies...a tome for another time....
    But with that said, it is a good starting point for a lot of generalized data....good stuff really....

    ...as to a previous posting inquiring about power plant variations: it is a somewhat more involved response, than as is the question, as it is posed....
    a BRIEF, chronological description, accompanied with the major technical "whys"(as to the engineering motivations based on necessity for power and longevity-advancement needed during the late 1950s) as a race car machinist- nee mechanic(just short of 50 yrs experience)-I have intimate details and failure/use/wear profiles based on this experience and exposure. I'll sleep on this or a couple of days and give a terse, but detailed, description. There are ALWAYS exceptions to generalizations-particularly in a small volume, competition oriented manufacturer...therefore, any disagreements readers might have must be kept within this focal view-IMO...
    HASTA.....
     
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  17. Jeff Kennedy

    Jeff Kennedy F1 Rookie
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    Jess admitted that there was information that needed to be corrected if he ever decided to do a revised edition. I talked to him about that but he apparently never got around to it.

    But, his book did detail a lot on the evolutionary changes to the 168 series engine, and other aspects of the 250 SWB. I expect that Bob Z. will have far fewer questions after pouring through the relevant pages. Of course, one should put into perspective that the SWBs used in competition after the GTO came out were likely to get upgrades (factory parts or not) to remain competitive.
     
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