you might want to check driveshaft angles before you offset bushings to change
the height and angle of the diff.
If this increases the differential between the driveshaft/u-joint angles front
to rear, it will result in more vibration at high speeds, which I've found to
be an issue with at my car at speeds above 100-110. Ideally the diff and trans
are at the same angle to the driveshaft, and/or their axes are parallel.
They're not the same in my car, but I've tried to manipulate mountings to get
them as close as possible with a resulting decrease in vibration.
On Dec 28, 2011, at 6:02 PM, Christopher Bock wrote:
Are the rubber bushings at the back end of the diff where it mounts to the
frame upright replaced for racing? If so by what? Rubber? Aluminum?
Thanks
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