Why reverse so bad in a 360 | FerrariChat

Why reverse so bad in a 360

Discussion in '360/430' started by nnjferrari, Nov 1, 2014.

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  1. nnjferrari

    nnjferrari Karting

    Oct 11, 2014
    103
    north new jersey
    Full Name:
    matthew
    Why exactly is reverse so bad in a 360 and when I do drive in it it feels as if the car is doing something it shouldn't
     
  2. RedTaxi

    RedTaxi F1 Rookie
    Silver Subscribed

    Mar 1, 2012
    3,339
    New Zealand
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    Glen
    Mine reverses just fine. Some have said the clutch (F1) never fully engages in reverse but I'm not sure about that. 360 are also reported to have quite a high reverse gear ratio. Several small stabs at the throttle gets me where I need to get in reverse.
     
  3. Chiaroman

    Chiaroman Formula 3
    Rossa Subscribed

    Apr 21, 2004
    1,687
    New Jersey
    Mine is a manual.

    It seems to do a stutter step when backing up, but never out of the garage only when fully warmed up. Car moves but the rear end seems to jiggle a bit.

    Some have said differential???

    Just had fluid changed and seems a bit better.

    I believe there is some sort of additive that could help.

    Sorry I cannot be more precise.

    Good luck!!
     
  4. rbellezza

    rbellezza F1 Rookie

    Jun 18, 2008
    2,793
    Henderson, NV
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    Roberto Bellezza
    This is just an idea ....
    If all the motor/transmission mounts are good, you might have the center hole where the nut and bolt of the tranny mount connects to the frame, been oval, so when you reverse, the tranny moves up creating a stutter effect.
     
  5. nnjferrari

    nnjferrari Karting

    Oct 11, 2014
    103
    north new jersey
    Full Name:
    matthew
    I know from looking at my trans mount that it's not centered.
     
  6. rbellezza

    rbellezza F1 Rookie

    Jun 18, 2008
    2,793
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    Roberto Bellezza
    #6 rbellezza, Nov 1, 2014
    Last edited by a moderator: Sep 7, 2017
  7. stevecomp

    stevecomp Formula Junior

    Mar 1, 2013
    743
    South Australia
    Full Name:
    Steve
    Using reverse gear is the same as pulling away in second gear all the time. The clutch is allowed to slip to stop the motor from stalling.
    Keep reversing to a minimum and be constant once the car starts rolling, don’t take little stabs at it.

    One thing I noticed between my road car and my Challenge race car is how very harsh the Challenge is in reverse it kicks in hard; it does have a different clutch plate and TCU set-up than a road going 360 though. I would not recommend using a Challenge TCU in a STD road going 360 without changing the clutch plate to a Challenge at the same time.
     
  8. The Nutsack

    The Nutsack Formula Junior

    Oct 7, 2014
    615
    Chicago
    Full Name:
    Mike
    Steve: Is the Challenge TCU the same as a CS TCU that i'm considering installing? Will I see the same problem if I put the CS TCU in?
     
  9. stevecomp

    stevecomp Formula Junior

    Mar 1, 2013
    743
    South Australia
    Full Name:
    Steve
    The CH TCU is different again better than the early model 360, but is less aggressive than the Challenge.
     
  10. tazandjan

    tazandjan Three Time F1 World Champ
    Lifetime Rossa Owner

    Jul 19, 2008
    39,169
    Clarksville, Tennessee
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    Terry H Phillips
    Steve- You hit the nail on the head. Reverse is way too high a gear in the 360 and the 575M, much better on the F430 and 599.

    Reverse gear locks up just like any other gear if you drive far enough in reverse. You can demonstrate that to yourself on a downhill parking lot. It just takes a lot of clutch slippage to get started initially.

    360 1st gear 3.286:1, Rev 2.562:1, 2nd 2.158:1
     
  11. English Rebel

    English Rebel Formula 3

    Aug 13, 2013
    2,158
    Piedmont Area of NC
    Full Name:
    Alan
    Steve
    A lot of people (me included) have switched to a CS TCU with no ill effect -- in fact with great results compared with the auto adjustable one in the early models. So is he Challenge race TCU different to the CS TCU?
    Alan
     
  12. whatheheck

    whatheheck F1 Rookie
    Owner

    Mar 27, 2006
    4,148
    Seattle, Wa
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    Dan L.
    Excellent recommendations.

    Thanks Steve.

    Dan
     
  13. RedTaxi

    RedTaxi F1 Rookie
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    Mar 1, 2012
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    Glen
    Little stabs (on the flat) = less clutch slip for same distance travelled in reverse. (coasting the majority of the distance)

    Pretty sure the Challenge TCU does not work in a std 360.

    Reversing with CS TCU is the same as my orig TCU.
     
  14. stevecomp

    stevecomp Formula Junior

    Mar 1, 2013
    743
    South Australia
    Full Name:
    Steve
    I’m talking about a Challenge race car TCU not a road going CS TCU. The Challenge has a race sintered bronze clutch plate with harsh on or off clutch response. CS TCU is fine for road going cars with a carbon clutch plate.
     
  15. RedTaxi

    RedTaxi F1 Rookie
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    Mar 1, 2012
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    Glen
    Yes. plenty of advice on here that a challenge TCU wont work. Not sure why?
     
  16. Rifledriver

    Rifledriver Three Time F1 World Champ

    Apr 29, 2004
    37,100
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    Brian Crall
    Terry I really think that is only because you are finally getting the torque required down to the torque transferring ability of a partially released clutch. Any clutch will quit slipping if you reach that point of equilibrium.
     
  17. Rifledriver

    Rifledriver Three Time F1 World Champ

    Apr 29, 2004
    37,100
    Cowboy Capitol of the World
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    Brian Crall
    Only the first generation mount was designed that way. 2nd and 3rd are symmetrical.
     
  18. tazandjan

    tazandjan Three Time F1 World Champ
    Lifetime Rossa Owner

    Jul 19, 2008
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    Terry H Phillips
    Brian- Yup, no doubt. Having a relatively low torque engine (by Ferrari standards) does not help either.
     

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