![]() 06/19/2014 at 11:16 • Filed to: None | ![]() | ![]() |
Is it for the muffler?
![]() 06/19/2014 at 11:18 |
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yes. and/or some have AWD version so the floor pan makes space for the driveshaft that a different version has
![]() 06/19/2014 at 11:18 |
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They have exhaust tunnels. :)
![]() 06/19/2014 at 11:20 |
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Sometimes they do that so there's not so much stuff hanging off the bottom.
![]() 06/19/2014 at 11:20 |
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well said
![]() 06/19/2014 at 11:21 |
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Fuel lines, exhaust, cabling, structural integrity. They can't all be as flat as a '48 Buick's back
![]() 06/19/2014 at 11:21 |
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The Johnson rod has to go somewhere...
![]() 06/19/2014 at 11:25 |
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I thought it was for the Fetzer Valve
![]() 06/19/2014 at 11:25 |
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It's not just for exhaust/etc. - it's also a very important element for stiffness. It makes the unibody far stronger than it would be otherwise.
That being said, not all FWD cars have one. Vans, typically, and vehicles like the older Olds Toronado do not.
![]() 06/19/2014 at 11:26 |
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This, or if the car itself doesn't have an AWD bersion, it might share a platform/floor with one that does. Like the Honda Accord. Its FWD only, but it shares a floor with an AWD Acura.
![]() 06/19/2014 at 11:33 |
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my eighth gen civic had a flat floor. It was pretty convenient
![]() 06/19/2014 at 11:36 |
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Honda civic and Toyota Highlander are another few examples.
![]() 06/19/2014 at 11:43 |
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Exhaust, fuel, brake, and other lines, and one other big reason.
Chassis rigidity. A flat sheet of steel can very easily bend. However, press some bends and create 'ribs' in the panel, and it is all of the sudden much more rigid.
If the floorpan of the car was relatively flat... the car would start to sag in the middle.
![]() 06/19/2014 at 11:53 |
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Platform sharing. I hate transmission tunnels in FWD cars, completely defeats the purpose of having FWD—more interior space.
![]() 06/19/2014 at 12:04 |
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There has to be some way to circulate the blinker fluid.
![]() 06/19/2014 at 13:00 |
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Hah, I was going to suggest the Toronado.
And that thing certainly was strong enough as GM used it virtually unchanged as a platform for their motorhomes, lol. MMMMM 500 ft-lb's of FWD torques :D
![]() 06/19/2014 at 13:03 |
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Honda has gone towards (mostly) flat floors in its back seats.
Fit
CR-V
Civic
![]() 06/19/2014 at 14:38 |
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Yes. I have noticed this sitting in new Hondas. It makes the middle seat much more useable.
![]() 06/19/2014 at 19:35 |
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I've noticed this in a few FWD cars, mostly the Avenger I ride in. Like others have said it's for AWD hardware (I didn't know they used to sell the Avenger in AWD, but they did) I guess CUVs ride high enough to not need one because my mom's Vue doesn't have one, but AWD was offered on it.
![]() 06/19/2014 at 20:15 |
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Most if the time, it's just for structural rigidity. Kind of funny how things turn out, since allowing for a flat rear floor was supposed to be one of the selling points of FWD back in the old days.
![]() 06/19/2014 at 21:04 |
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They're giving their customers an opportunity to fix the problem.
![]() 06/25/2014 at 01:57 |
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What am I looking at here? I'm thinking a Celica...