Countach Downdraft 1985 to 1988.5 | Page 370 | FerrariChat
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Countach Downdraft 1985 to 1988.5

Discussion in 'LamborghiniChat.com' started by joe sackey, Oct 25, 2015.

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  1. joe sackey

    joe sackey Five Time F1 World Champ

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    #9226 joe sackey, Jul 31, 2018
    Last edited: Jul 31, 2018
    I'll drive these 2 cars back-to-back this weekend, but if I recall, the Lamborghini 'box was sweeter if in good health but more injury-prone, and at a certain point in it's life it begins to whine like a dentist's drill! The ZF box feels a bit more precise, more rifle-bolt in feel.

    Reports to come, I'm being sidetracked by work
     
  2. joe sackey

    joe sackey Five Time F1 World Champ

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    #9227 joe sackey, Aug 1, 2018
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  3. joe sackey

    joe sackey Five Time F1 World Champ

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    #9228 joe sackey, Aug 1, 2018
  4. joe sackey

    joe sackey Five Time F1 World Champ

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    #9229 joe sackey, Aug 1, 2018
    The slight difference in gear ratios between the early 1985 cars as stated in the factory DGM, and the 1987 cars as stated in the FIA Homologation documents

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  5. Michael Call

    Michael Call Formula 3
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    #9230 Michael Call, Aug 1, 2018
    VERY interesting.
     
  6. orangelp400

    orangelp400 Karting

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    #9231 orangelp400, Aug 1, 2018
    Why???? Two filler caps and two tanks and interlinked pipe behind engine ...... what does happen is the pipe and its holders can get squashed when re fitting the engine so they dont fill together as quick as they should but otherwise there is no need to do this.
     
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  7. joe sackey

    joe sackey Five Time F1 World Champ

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    #9232 joe sackey, Aug 1, 2018
    The thing I like about the FIA Homologation papers is that the information is independently verified and certified by FISA

    Stephen, this must be a common problem because all 3 of the LP400 that I owned over the years required filling from both sides to achieve maximum fuel capacity
     
  8. joe sackey

    joe sackey Five Time F1 World Champ

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    #9233 joe sackey, Aug 3, 2018
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  9. joe sackey

    joe sackey Five Time F1 World Champ

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    #9234 joe sackey, Aug 3, 2018
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  10. joe sackey

    joe sackey Five Time F1 World Champ

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    #9235 joe sackey, Aug 3, 2018
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  11. joe sackey

    joe sackey Five Time F1 World Champ

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    #9236 joe sackey, Aug 3, 2018
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  12. joe sackey

    joe sackey Five Time F1 World Champ

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    #9237 joe sackey, Aug 3, 2018
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  13. joe sackey

    joe sackey Five Time F1 World Champ

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    #9238 joe sackey, Aug 3, 2018
  14. joe sackey

    joe sackey Five Time F1 World Champ

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    #9239 joe sackey, Aug 4, 2018
    Last edited: Nov 4, 2018
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  15. joe sackey

    joe sackey Five Time F1 World Champ

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    #9240 joe sackey, Aug 4, 2018
    Last edited: Aug 4, 2018
  16. joe sackey

    joe sackey Five Time F1 World Champ

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    #9241 joe sackey, Aug 4, 2018
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  17. joe sackey

    joe sackey Five Time F1 World Champ

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    #9242 joe sackey, Aug 4, 2018
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  18. joe sackey

    joe sackey Five Time F1 World Champ

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    #9243 joe sackey, Aug 4, 2018
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  19. qvee

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    #9244 qvee, Aug 4, 2018
    Is this car really Blu Acapulco - I've seen it around a number of times and swear it was black ( am I colour blind ? )
     
  20. qvee

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    #9245 qvee, Aug 4, 2018
  21. joe sackey

    joe sackey Five Time F1 World Champ

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    #9246 joe sackey, Aug 4, 2018
    I think you are right, certainly these days it appears to be black.
     
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  22. joe sackey

    joe sackey Five Time F1 World Champ

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    #9247 joe sackey, Aug 4, 2018
    Alex,

    Significant difference, which I already knew from experience, but needed to be reminded.

    Again, the works upgraded to the ZF for good reason.

    As I mentioned, the later gearbox is definitely more precise in application of the individual gears, so you change with a bit more confidence, and you can slot into any gear a bit more quickly.

    Until it is thoroughly warmed, the older 'box just needs a deliberate & patient hand with 2nd, especially when changing down from 3rd to 2nd. That said, if you are experienced with driving classic or vintage cars, its not an issue, it's part of the pleasure of doing something right.
     
  23. joe sackey

    joe sackey Five Time F1 World Champ

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    #9248 joe sackey, Aug 4, 2018
  24. Michael Call

    Michael Call Formula 3
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    #9249 Michael Call, Aug 4, 2018
    Your experience mirrors mine exactly. The old Lamborghini box (when in good nick) is very satisfying to use as it rewards mastery. The ZF box is by far the more "Billy proof" of the two. 30+ years on, I've never personally experienced a bad ZF gearbox in a Countach.
     
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  25. joe sackey

    joe sackey Five Time F1 World Champ

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    #9250 joe sackey, Aug 4, 2018
    Obviously, if you havent had the opportunity to compare Countachs with the Lamborghini and the ZF box, you'd think they are all one way or another.

    "Billy Proof", I like that!
     
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