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    Thread: Car interior q:bump that runs through the length of the car?

    1. #1
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      Car interior q:bump that runs through the length of the car?

      Hi,

      Technically, this is the right place to put this, but not sure how many eye balls it would catch, since the topic starts with Bodywork which leads off to dents, nicks and scratches.

      What I want to know is: what is the bump that runs along the length of the floor of the car at the centre? Even in FWD drive cars, this is present, like a inverted U shaped thingie on the floor. Among other unsightly things, this eats into the centre passenger's comfort. Can understand the transmission tunnel in a rear wheel drive car, but why this in a FWD?

      I even tried seeing under my Honda, Getz and Indica what is making this bulge, but could not spot anything. Some cars have a very prominent bump and some don't (like i20).

      Anyone knows?
      Cheers.
      ----------------------------------------------------------------------------------------------------
      Matiz 2000-03; Indica DLS 2006-09;Honda City CVT 2006-;Getz CRDI 2009-

    2. #2
      not aware that he can set his status here!
       
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      Frankenstein's Avatar
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      I think the gear box extends further backwards ,so to accomidate the gearbox the tunnel remains.

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      Gearbox? Then logically, this gearbox should be driving the rear wheels too, but that is not the case. Gearbox should be attached to the drive shaft of the engine and it should sit on/couple to the drive axle to be able to move it, which is the front axle for a FrWD vehicle. Traction from engine is only to front wheels in FrWD. So, you sure about this gearbox logic?

      Cheers.
      ----------------------------------------------------------------------------------------------------
      Matiz 2000-03; Indica DLS 2006-09;Honda City CVT 2006-;Getz CRDI 2009-

    4. #4
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      When you see your gear lever in your fwd car ,the gearbox extends more than a feet behind the lever ie towards the rear,so might be ,the gear box dosent end where you have your gear lever.

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      Lol frankie.

      Double Wishbone Rear Suspension
      The new rear suspension is more compact than its predecessor. This compact, triangular rear suspension requires less space because there is no trailing arm alongside the fuel tank.

      This design enabled the engineers to move the exhaust pre-chamber from the cabin floor to the rear area. In turn, that enabled them to create the first flat "tunnel-less" floor in the interior, and yielded a wider trunk.
      This suspension design moves the back tires rearward in order to reduce the shock from the road surface for a smoother, more comfortable ride.
      The rear suspension provides secure tire-to-ground contact by enhancing the rigidity of the body and bearings for smooth and stable handling.
      Spring rates for rear compliance bushings have been reduced by 15 percent, again contributing to a smoother ride.

      Source: Honda Civic -- Chassis - Honda.com

      Goddy

    6. #6
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      So, for other (non-Civic) mere mortal cars, this tunnel exists and shows up as a bump inside the cabin and is indirectly due to the rear suspension but actually houses exhaust pre-chamber.

      Wonder what prevents moving this pre-chamber to either directly below one of the front seats, or even more front towards the engine bay, or all the way back below the rear seats.

      Thanks!

      Cheers.
      ----------------------------------------------------------------------------------------------------
      Matiz 2000-03; Indica DLS 2006-09;Honda City CVT 2006-;Getz CRDI 2009-

    7. #7
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      Godfather's Avatar
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      even the tata safari does not have this.

      Goddy

    8. #8
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      Bugatti Veyron's Avatar
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      Bumping up an old thread.
      The hump on the cars (even the FWD) is due to the structural requirement of the chassis and not transmission tunnel or exhaust pipe routing.
      Modern cars have almost avoided this hump especially the high end versions.

      BV
      Knowledge is Vital, But Knowledge is NOTHING without Understanding.

    9. #9
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      Got it!

      Quote Originally Posted by Bugatti Veyron View Post
      Modern cars have almost avoided this hump especially the high end versions.
      ..and some 'low-end' ones too like Etios!

      Cheers.
      ----------------------------------------------------------------------------------------------------
      Matiz 2000-03; Indica DLS 2006-09;Honda City CVT 2006-;Getz CRDI 2009-

    10. #10
      ironically a remapped tdi is
      faster than the next segment
      tdi at lesser price.
       
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      legendracer's Avatar
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      Quote Originally Posted by curious View Post
      and some 'low-end' ones too like Etios!
      time for all others to follow it....makes no sense to many....3rd passenger suffers...

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