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Old 06-04-2014, 03:05 AM   #1
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Default Miata Power Plant Frame Brace installation

Hey guys! Would anyone happen to have the install instructions (or a quick how-to) for this unit?



Searched, but a lot of the discussions have been archived by now.

It's probably damn close to self-explanatory, but I hate to get the car on the lift and not be certain.

Thanks in advance - much appreciated!
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Old 06-04-2014, 03:24 AM   #2
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Quick how to

Step 1. Register on clubroadster.net
Step 2. Post for sale thread
Step 3.????
Step 4. PROFIT!
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Old 06-04-2014, 06:02 AM   #3
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Old 06-04-2014, 12:21 PM   #4
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Thanks much.
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Old 06-04-2014, 12:24 PM   #5
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I'll buy it if you're selling. I forgot all about this brace form 10 years ago, I figured they stopped selling them. I've been tinkering with a way to change the natural frequency of the PPF and well duh this will do that.
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Old 06-04-2014, 12:26 PM   #6
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step1: look at PPF
step2: look at part
step3: put them together with bolts
step4: ???????????
step5: swaggg
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Old 06-04-2014, 12:28 PM   #7
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Quote:
Originally Posted by 18psi View Post
step1: look at PPF
step2: look at part
step3: put them together with bolts
step4: ???????????
step5: swaggg


step6: update signature mod list
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Old 06-04-2014, 12:28 PM   #8
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So, now they make braces for the braces.

Be skeptical Greg. A light Miata is a fast Miata. Bo gave you some good advice unless there is hard data acquired at a racetrack that says otherwise. I've never seen one of these at a racetrack and 949 doesn't sell it. That says a lot.
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Old 06-04-2014, 12:32 PM   #9
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brace fo yo brace

so you can swag while you swag
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Old 06-04-2014, 12:34 PM   #10
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Old 06-04-2014, 01:44 PM   #11
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Apples/oranges but my PPF is a source of significant NVH, well VH anyway. I'm not sure of any performance value, but may be worth a try to enjoy the car more. Just like power steering damnit. Still working on that one.

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Old 06-04-2014, 01:55 PM   #12
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How can that be Tim? The PPF doesn't directly contact the chassis, just the transmission and diff. ???
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Old 06-04-2014, 02:00 PM   #13
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Resonating frequency. You know when you have a PPF out of alignment spec it makes some pretty awful vibrations? Adding more mass can reduce the resonance/vibrations as well.

That said... i've never really found the PPF to be an issue when it comes to NVH, but who knows what's going on with what Tim's done.
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Old 06-04-2014, 02:48 PM   #14
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Quote:
Originally Posted by concealer404 View Post
Resonating frequency. You know when you have a PPF out of alignment spec it makes some pretty awful vibrations? Adding more mass can reduce the resonance/vibrations as well.

That said... i've never really found the PPF to be an issue when it comes to NVH, but who knows what's going on with what Tim's done.
I think its cause if the ppf is out of alignment so is the driveshaft and thats where the vibration comes from
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Old 06-04-2014, 02:58 PM   #15
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Derp. There will always be a vibration/resonance. Other factors besides just alignment determine how bad they are.
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Old 06-05-2014, 03:06 AM   #16
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There's lots of discussions (pro and con) on this one, ad nauseum... I've driven another MSM before and after the PPFB, and while the difference was subtle, it worked for my purposes.

Thx again to newold_m.
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Old 06-05-2014, 11:39 AM   #17
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Quote:
Originally Posted by AZhitman View Post
There's lots of discussions (pro and con) on this one, ad nauseum... I've driven another MSM before and after the PPFB, and while the difference was subtle, it worked for my purposes.

Thx again to newold_m.
You're welcome I'm in the same boat as well.. Read the pro/con reviews and decided to bite the bullet and got it from the Ebay listing. Agree with you - the difference, while subtle, is noticeable.
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Old 06-05-2014, 01:22 PM   #18
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Tim, I'd much more appreciate reading a post where you cut the truss section out of one PPF, and weld it to another. Get crackin!
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Old 06-05-2014, 02:41 PM   #19
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Yeah I saw that in the other thread on this site, very good idea. I liked that one.
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Old 06-05-2014, 05:41 PM   #20
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If you were to do something to the PPF, I'd weld in a C channel on the PPF near the trans. One it would box the open side of the C which is what you need to do to really add any strength. Second it would act as a safety hoop if the front joint goes.

Then I'd do similar but bolt-in on the rear section. That way it would still be easy to remove the driveshaft.
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