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Thread: Crazy bumps

  1. #1

    Default Crazy bumps

    This is a dumb question.


    Whenever I hit a bump in my miata, EVERYTHING rattles. Rolled up windows shake, the top frame creaks, and noises come from everywhere. Is this common in old NAs or do I just not have that stiff of a car?

    I do have a really stuff suspension setup, and not alot of bracing, and 140k miles. The only other miatas I've been in were NBs, and they seem to hit bumps with minimal BLAMMO sounds.

    Would bracing fix it or should I just go for a different car when I decide to build it up?
    Black 2002 Honda S2000
    Black 1992 Euro spec BMW 735iL
    Black 2003 Honda CBR 600 RR

  2. #2
    Team Cheap Bastard
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    Default

    Lube the shit out of the front sway bar bushings.

  3. #3

    Default

    You are not alone. I find that setting my KYBs to a softer setting helps a good deal. I am also told that the FM Butterfly brace helps a lot.

  4. #4

    Default

    Quote Originally Posted by sammm View Post
    Lube the shit out of the front sway bar bushings.
    +1

  5. #5

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    Quote Originally Posted by sammm View Post
    Lube the shit out of the front sway bar bushings.
    I did this a month or so ago when I happened to have the bellypan off for another reason. It made no difference on my car.

  6. #6
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    Quote Originally Posted by Titus View Post
    I did this a month or so ago when I happened to have the bellypan off for another reason. It made no difference on my car.
    But your car is old and creaky!

  7. #7

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    Whew ok, I feel better now. Its was just whenever I got into ANY other car I was like, "damn this is smooth and quiet".
    Black 2002 Honda S2000
    Black 1992 Euro spec BMW 735iL
    Black 2003 Honda CBR 600 RR

  8. #8

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    Quote Originally Posted by sammm View Post
    But Sammm is old and creaky!
    That's what she said.

  9. #9

    Exclamation

    Lets review = http://forums.dfwmiata.com/showthread.php?t=6267
    Quote Originally Posted by mvalant View Post
    These damned springs will beat the tar out of you, as they are too short and not stiff enough. The car rides on or very near the bumpstops, even if they are cut down. They also make the car handle like . That said, they do have one redeeming quality - they are free to the first person to say "dibs".
    Any you said Dibs......

  10. #10

    Default

    Nah, the car is smooth as a fox if I turn down the shocks from their max settings (until it hits the ground). I shaved the bumpstops big time so it rarely hits them. Plus I think my car handles fine...
    I don't care them beating the tar out of me, but it feels like the car is taking quite a bashing haha.

    Mainly just the noises I was curious about, it did that before I had the suspension too. I guess I'll just brace it up and forget about it 'til something shakes loose.
    Black 2002 Honda S2000
    Black 1992 Euro spec BMW 735iL
    Black 2003 Honda CBR 600 RR

  11. #11

    Default

    Quote Originally Posted by Titus View Post
    You are not alone. I find that setting my KYBs to a softer setting helps a good deal. I am also told that the FM Butterfly brace helps a lot.

    The butterfly helped a lot but it still has some rattles. Definately much stiffer and lets the suspension do the work now. It really only rattles when I hit big bumps now.

    I was wondering about the rattles as well. guess its all part of owning an older car.

  12. #12

    Default

    Since you have a 91, you might want to get the chassis braces from Moss. It's a must have on any early model NA. Also, lube the rear sway bushings. Mine was creaking and this fixed it. Use a Marine Grease as it's more water resistant.
    ...and across the line.

    1996 Mazda Miata - R-Package (Eve-L)
    2012 Mazda CX-9 - Grand Touring (Dory)




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