 Reinforcement, rear fenderwell |
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| Rand |
 Jul 25 2009, 02:55 PM
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#1
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Cross Member  Group: Members Posts: 7,409 Joined: 8-February 05 From: OR Member No.: 3,573 Region Association: None  |
I've seen a few cars with this, and am curious about the importance of it. My priorities are longs ala Engman kit, suspension ears, and tying the top of rear shock towers to frame rail. How bad does this area need it?
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| charliew |
Jul 25 2009, 04:15 PM
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#2
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Advanced Member Group: Members Posts: 2,363 Joined: 31-July 07 From: Crawford, TX. Member No.: 7,958 |
It probably will help if you're going to go 180 with a huge rear wing.
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| Rand |
Jul 25 2009, 04:30 PM
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#3
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Cross Member Group: Members Posts: 7,409 Joined: 8-February 05 From: OR Member No.: 3,573 Region Association: None |
It adds weight, and I didn't think that particular area needs reinforcement. There are a few areas in a 914 that truly need it under certain conditions. But here?
I've seen it on several AX cars, so I'm curious what their thinking is. Is there some real engineering behind it, or has anyone ever seen any evidence of flexing or cracking in this area? |
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| john rogers |
Jul 25 2009, 07:40 PM
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#4
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Senior Member Group: Members Posts: 1,525 Joined: 4-March 03 From: Chula Vista CA Member No.: 391 |
The factory type reenforcements as shown here are to strengthen the sides so that the cross member that the transmission mounts to will flex a little less resulting in less flex in the rear area of the engine/transmission mounting box. The factory wasn't allowed to use tubes to strenghten things back there like IMSA allowed later on so they had to make things look "normal".
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| McMark |
Jul 25 2009, 10:05 PM
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#5
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
I call BS. I'd never put them on my car.
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| r_towle |
Jul 26 2009, 12:31 AM
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#6
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Custom Member Group: Members Posts: 24,574 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States 
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QUOTE(McMark @ Jul 26 2009, 12:05 AM)  I call BS. I'd never put them on my car. You may not put them on your car, but John has posed one of the first explainations that I can buy...it may have a valid point. They are not doing anything for the shock tower, that is for sure. I also would not put them on my car..you loose a 1/4 inch of room for your tire..and I need all I can get without rubbing the inner fender. Rich |
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| SirAndy |
Jul 26 2009, 01:56 AM
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#7
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Resident German Group: Admin Posts: 41,640 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE(r_towle @ Jul 25 2009, 10:31 PM) it may have a valid point. Until you start cutting a car apart in that section. It's a double wall made of thin sheet metal. Welding a plate on the outer side of the double wall does nothing to improve the rigidity for the transmission mount bar. (IMG:style_emoticons/default/popcorn[1].gif) Andy |
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