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I add just the Rails, and it made a HUGE difference. I had already had an upgraded suspension, front tower brace and a roll bar and even then i noticed a huge difference. even had to remove my rear sway bar because it was so stiff afterwards..
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I went to a much looser rear sway as well, though I imagine more of that is from the rollbar.
As far as the butterfly part, Mazda put it in it's new cars. It's for those "45*" situations. On turn in, the outer front tire will want to get closer to the inner rear - a brace to help with that natural flexing has to help. |
Anyone know what gauge the fm rails are?
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I'm pretty sure its either 16 or 14 gauge aluminum
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Stainless steel, about 1/8" thick.
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they dont look like they would be that hard to make, hmmmm
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The butterfly looks barely welded at all from the pictures on FM's site. I wonder what some quality time with a MIG would do for them.
-Mike |
Maybe my "butt chassis flex dyno" isn't very sensitive, but I couldn't tell any difference after installing the rails on my ~120k miles chassis.
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Originally Posted by grippgoat
(Post 208270)
The butterfly looks barely welded at all from the pictures on FM's site. I wonder what some quality time with a MIG would do for them.
-Mike |
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