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Old 04-01-2008, 01:28 AM   #1
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Default Body Bracing Checklist?

Hi everyone, I am new to the miata world. Just got a 1993 Red Miata with a turbo setup from the last owner. I was wondering what's on everyone's must-haves for body bracing to reduce body shake (I live in dearborn - horrible roads).

So far, The miata has for bracing
- M1 Hard Dog Roll Bars
- GAB Front Upper Tower Bar

I am going to order
- FM Butterfly Brace
- FM Rear Cannon Brace

Anything else I should add to my list? Rear upper Tower? Front/Rear Lower Ties? Any recommended brands?

Thanks for the help!
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Old 04-01-2008, 01:40 AM   #2
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make a intro post!


You could add things like a Rear Upper Tower, the lower ties, I'd recommend the Racing Beat Sway Brace to the front end.

There's a "transmission brace" that is good because it not only stiffens the car but keeps the shifter where you need it.
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Old 04-01-2008, 01:59 AM   #3
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I don't know if you would want to stiffin your car to much if the roads are bad. It might make your drives a little rough? The stiffining your looking at is for track use that causes chassis flex, not so much DD.
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Old 04-01-2008, 02:04 AM   #4
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I drove a stock (shocks and springs) 91 NA ( has no bracing) and it felt so nice compared to my 91 that has some bracing upgrades and suspension work.

If the roads are rough, stock is the way to go. Your car is still very nimble and you get the comfort
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Old 04-01-2008, 02:11 AM   #5
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Quote:
Originally Posted by MX_Eva View Post
make a intro post!


You could add things like a Rear Upper Tower, the lower ties, I'd recommend the Racing Beat Sway Brace to the front end.

There's a "transmission brace" that is good because it not only stiffens the car but keeps the shifter where you need it.
Hey MX_Eva,

Do you mean this?
http://www.racingbeat.com/resultset....rtNumber=54121

Do you know where I can get that transmission brace?

I have been trolling this forums for weeks, forgot to introduce myself. I'll make a post asap.
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Old 04-01-2008, 02:11 AM   #6
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Quote:
Originally Posted by LOOINEY View Post
I don't know if you would want to stiffin your car to much if the roads are bad. It might make your drives a little rough? The stiffining your looking at is for track use that causes chassis flex, not so much DD.
I have been reading that stiffening the chassis will improve overall ride quality. Stiffening the suspension will probably make ride worse. But I am planning to track it too! Waterford Hills Track Day MAY 10th!
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Old 04-01-2008, 02:14 AM   #7
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FM frame rails are pretty awesome. I plan on getting the butterfly brace to accompany this later one.

Check it out at Flyinmiata.com
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Old 04-01-2008, 02:15 AM   #8
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Quote:
Originally Posted by 91NApeewee View Post
I drove a stock (shocks and springs) 91 NA ( has no bracing) and it felt so nice compared to my 91 that has some bracing upgrades and suspension work.

If the roads are rough, stock is the way to go. Your car is still very nimble and you get the comfort
Yeah, stock would be best, but the miata isn't really stock. It's lowered with some light blue colored springs and some hp tokicos i think. I am not sure what brand the spring is. The old owner said it was "Progress", but that company never made miata springs, so I'm not sure. The rates are
pretty soft, comparable to the RB springs.

I'm just trying to lessen the shake over bumps as I ride it to the track and back.
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Old 04-01-2008, 02:18 AM   #9
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haha, the springs that came with my car were said to be "progress" springs and were light blue.. lol...

Got rid of those ASAP.
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Old 04-01-2008, 02:27 AM   #10
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Quote:
Originally Posted by 91NApeewee View Post
haha, the springs that came with my car were said to be "progress" springs and were light blue.. lol...

Got rid of those ASAP.
haha, yeah, it's pretty getto, planning to but it's ok for now. Rides pretty good. The guy that sold me the car races in Spec Miata, so I sorta trust this judgement. He built the motor up, running 18 lbs atm.
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Old 04-01-2008, 02:49 AM   #11
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So back to this question....where do we find a "transmission brace"???
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Old 04-01-2008, 02:54 AM   #12
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i believe cusco made a brace that utilized a few bolts on the trans bell housing, however I heard it really transfered vibrations to the cabin. I dont know if its still being made
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Old 04-01-2008, 03:07 AM   #13
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I'd get rid of those "progressive" springs. He may race spec miata, but what he faces there isn't the same as on the street.

I checked into the brace...it used to be made by "cobalt" aka. Moss motors. It was in the most recent catalog i got sent by them for miatas, but its not on their website. Don't know why they'd discontinue it. Did the same as the Racing Beat brace, or even the brace they sell, with the added benefit of helping keep the drive train from rocking too much.
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Old 04-01-2008, 03:07 AM   #14
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The door bars from Hard Dog made a big difference on my -99. They do hinder you from getting in and out a bit, but the difference was clearly noticable.
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Old 04-01-2008, 03:15 AM   #15
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Door bars reminded me of the Boss Frog Frogarm braces. I heard those are good, but I worry about reinforcing the crumple zones
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Old 04-01-2008, 03:17 AM   #16
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I'm assuming Dearborn MI? Lots of locals popping up now. I'm not alone anymore!
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Old 04-01-2008, 03:49 AM   #17
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Butterfly brace probably made the single best addition to mine, other than the turbo. Gets rid of all the flex and doesn't sound like it's all going to fall apart when you go over railroad tracks anymore. I didn't care much for the price tag for it though.
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Old 04-01-2008, 03:56 AM   #18
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I think the next addition to my car in the chassis stiffness category will be frame rails, similar to the FM ones. The rollbar stiffened up the car a ton, I underestimated the difference and was gladly surprised.
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Old 04-01-2008, 08:02 AM   #19
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Quote:
Originally Posted by Torkel View Post
The door bars from Hard Dog made a big difference on my -99. They do hinder you from getting in and out a bit, but the difference was clearly noticable.
Got a link? I'm having trouble finding it.
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Old 04-01-2008, 08:08 AM   #20
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