2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

does the stock hood stiffen the chassis???

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Old Mar 19, 2008 | 11:03 AM
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does the stock hood stiffen the chassis???

i was thinking this morning. there are 3 mounting points of a stock hood and some are made of aluminum or steel. you guys think that this adds stiffness to the chassis? was just thinking what happens the structure of the car when you add a carbon fiber hood.

has anyone noticed any change in the structural integrity or the vehicle?
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Old Mar 19, 2008 | 12:27 PM
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The hood could add stiffness in the same way a shock tower brace does, but I don't think the hood does or would even be strong enough to. If it was that important, they would be able to make a carbon hood many times stiffer in that direction than any steel or aluminum sheet metal hood. I don't think you will notice any difference at all.
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Old Mar 19, 2008 | 01:07 PM
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Doesn't matter how stiff the hood is - it could be a foot thick billet of titanium and it wouldn't make a difference because it's not attached rigidly. It's attached by flimsy hinges at the rear, and by a loose latch at the front. It makes no contribution to chassis rigidity at all.
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Old Mar 19, 2008 | 05:12 PM
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Originally Posted by Craiger
The hood could add stiffness in the same way a shock tower brace does, but I don't think the hood does or would even be strong enough to. If it was that important, they would be able to make a carbon hood many times stiffer in that direction than any steel or aluminum sheet metal hood. I don't think you will notice any difference at all.
dude u have any idea what u talking about ?
the tower brace connects the 2 shock mounts, and the hood connects what ? nothing basically
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Old Mar 19, 2008 | 07:29 PM
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Originally Posted by sub9lulu
dude u have any idea what u talking about ?
the tower brace connects the 2 shock mounts, and the hood connects what ? nothing basically
Read what I posted... it COULD!!! I didn't say it did, in fact, I said to the contrary.

Theoretically, with the proper design of the hood, hinge, and rest of chassis; the hood could limit the inward flex of the top of the fender/shock tower area. I do not believe that the RX7 has any of these design features. In fact, off the top of my head I can't think of any cars that would have this kind of design but, my point was that if someone felt they wanted that design, it is possible.
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Old Mar 19, 2008 | 07:38 PM
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Originally Posted by Craiger
Read what I posted... it COULD!!! I didn't say it did, in fact, I said to the contrary.

Theoretically, with the proper design of the head, shaft, and battery pack; a ***** could limit the inward flex of the top of the fender/shock tower area. I do not believe that the RX7 has any of these design features. In fact, off the top of my head I can't think of any cars that would have this kind of design but, my point was that if someone felt they wanted that design, it is possible.
The op didn't ask "could" he asked "does" Could is just a cop out for perpetuating bad information
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Old Mar 19, 2008 | 09:55 PM
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i suppose we could entertain the possibility
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Old Mar 19, 2008 | 09:57 PM
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Originally Posted by sub9lulu
dude u have any idea what u talking about ?
the tower brace connects the 2 shock mounts, and the hood connects what ? nothing basically
Originally Posted by melicha8
The op didn't ask "could" he asked "does" Could is just a cop out for perpetuating bad information
Man, you guys are dicks! Get the sand out of your vaginas.
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Old Mar 20, 2008 | 03:05 PM
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Originally Posted by turboeric
Doesn't matter how stiff the hood is - it could be a foot thick billet of titanium and it wouldn't make a difference because it's not attached rigidly. It's attached by flimsy hinges at the rear, and by a loose latch at the front. It makes no contribution to chassis rigidity at all.
/end thread.....
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