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Old 02-12-2012, 04:26 AM   #1
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Default Under Bracing

I have been looking a Bracing from FM, Ultra Racing and so on... I was wondering on how your experiences with them on and off the track. I'm thinking of making some from scratch so I can mount my flat aluminium under body to something.
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Old 02-22-2012, 01:37 AM   #2
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I have just done a couple of track days without any braces anywhere. The car felt fine. And i would doubt my times would be quicker with braces on. And to put it in context i am only 0.2-0.3 seconds of the lap record for modified and restricted open. And my car is very mildly modded compared to the other guys.
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Old 02-22-2012, 02:12 AM   #3
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Fm ftw
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Old 02-22-2012, 12:44 PM   #4
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The FM braces make daily driving a hell of a lot more comfortable, especially over bumps. I think it depends on the condition of your current frame rails as I had to beat mine with a hammer and reshape them to fit the braces on.
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Old 02-22-2012, 12:52 PM   #5
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PM me for pics of my dank "under-carriage".
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Old 02-22-2012, 01:39 PM   #6
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Quote:
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PM me for pics of my dank "under-carriage".
Hustler just post them up, id think think almost everyone reading this would wanta see
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Old 02-22-2012, 01:57 PM   #7
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Lightyear, are you caged?
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Old 02-22-2012, 02:01 PM   #8
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I'd like to see... I also want the FM braces but not moneys atm....
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Old 02-24-2012, 02:48 AM   #9
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I've got the FM rail covers and butterfly brace. I'm not sure how much the butterfly part of the brace really does to the total chassis stiffening. To be honest it is a pain in the *** to make sure that your exhaust clears. I'll tell you that first time your exhaust makes contact with it you won't soon forget it!

My friend bought his car with the brace and ended up keeping the rails but selling off the butterfly cross brace when he got his full 3" exhaust.

I'm looking at getting a full 3" exhaust so I may end up selling off the butterfly brace portion as a way to help finance my new pipes
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Old 02-24-2012, 03:10 AM   #10
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I've had FM rails for a couple of years a long with my HDHCSD roll bar. I recently added in the factory rear subframe/bracing from the 94+ and notice a little improvement. I added the boss frog arms that go under the fender and they did WONDERS for the car.

I also have the buttefly brace section now, and still not sure it was really worth it.
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Old 02-24-2012, 04:57 PM   #11
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I've been on the fence with the boss frog arms, as I'm only making stock NA8 power. Now you have me thinking as my car has almost 200k miles on it and I think any chassis stiffening can't hurt at this point.
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Old 02-24-2012, 09:04 PM   #12
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I'm looking to do a Boss Frog complete upgrade -- Double Hoop Max + Door Bars + Frog Arms.

Most swear by door bars . . . downside being the encroachment into the cabin.
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Old 02-25-2012, 01:53 AM   #13
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Quote:
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Lightyear, are you caged?

Half cage me thinks, but we do know that light is his motto

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Old 02-26-2012, 05:47 AM   #14
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Quote:
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Lightyear, are you caged?
No, just a triangle shaped rollbar.
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Old 02-26-2012, 10:52 AM   #15
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Im looking at doing a weld in roll cage hoop with the door bars and im going to wait to put in the forward roof bars. I diffidently need more safety in case of a roll over, after watching some of the Miata's on there lid. I think a full 8 Point weld in roll cage should tighten up the chassis more than the bracing
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Old 02-26-2012, 12:41 PM   #16
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Quote:
Originally Posted by hornetball View Post
I'm looking to do a Boss Frog complete upgrade -- Double Hoop Max + Door Bars + Frog Arms.

Most swear by door bars . . . downside being the encroachment into the cabin.
I'm one to swear by the door bars. I have the FM rails and butterfly brace along with the boss frog door bars. My god, it makes things so much better.

While i was still on r package suspension with no roll bar it was handling better than similar cars on coilovers.

The ride is a little more harsh though.

Everyone i give a ride to, or let drive my car say the door bars aren't even noticeable, you just have to be a little careful getting in.
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Old 02-27-2012, 03:46 AM   #17
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what Exactly does the frog arms strengthen, if its the strut towers then why not do this http://stickydiljoe.com/tag/dimple-die/
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Old 02-28-2012, 05:47 AM   #18
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Quote:
Originally Posted by 1993ka24det View Post
what Exactly does the frog arms strengthen, if its the strut towers then why not do this http://stickydiljoe.com/tag/dimple-die/
That S2k is pure sex!
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Old 02-29-2012, 03:19 AM   #19
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That S2k is pure sex!
I agree that is absurd. Full seam welding to the max!
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Old 02-29-2012, 03:54 AM   #20
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How about this S2000, Its is a Opera S2000 they took it from 2976lbs to 2167lbs while making it more ridged. My car as it sits now weighs 2100lbs
http://www.modified.com/features/061...0/viewall.html
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