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Re: Thanks for the info. (more) (archive)

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Posted by Bob ///M3 on October 07, 2000 at 18:18:40:

In Reply to: Thanks for the info. (more) posted by BD on October 07, 2000 at 12:34:15:

Your welcome! And the race teams could care less about any sqeaking coming from the swaybar mounts so they use those aluminum metal blocks instead of rubber or poly bushings like a street car.

Bob ///M3


Thanks for the information, I did do a search and did read some of the information out there. The 4130 steel does appear to be the choice material for certain racing equipment applications.

I was at the Petite Lemans, Speedvision World Challange races last week outside Atlanta. I looked at the GT World Challenge cars very closely. I noticed they had what appeared to be 1 1/2" diameter hollow tube front sway bars on the M3's (not exactly sure of diameter dimension, but it was large). I was amazed at how big they were. They had big solid aluminum blocks (bored out for the sway bar) bolting the sway bar anchors to the frame. Must have to make drastic measures with large sway bars to keep the car cornering flat.

Of course cars specifically designed as race cars don't need large sway bars. Probably a function of overall design and less weight.




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