TwinTurbo.NET: Nissan 300ZX forum - yes, apart from the halfshafts, which are fine
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Subject yes, apart from the halfshafts, which are fine
     
Posted by LJZTT on September 08, 2010 at 11:10 AM
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In Reply To Tried different wheels/tires? (n/m) posted by my91z on September 07, 2010 at 06:00 PM
     
Message All variables are eliminated, engine/transmission on new mounts and properly aligned, new tires, wheels rebalanced, diff inspected by driveline specialist, diff swapped for newly rebuilt diff, the only variable now is the shafts themselves. I did not try the 2-pc since eliminating all the other variables.

Also this vibration is ever so slight, if I were back in the US I would likely never notice it unless I got some open stretches of interstate in front of me. But now, I am driving 100+mph on a routine basis for extended periods of time, this makes a huge difference, a very slight vibration becomes something very different. It doesnt get more severe, but it begins to resonate with a rear quarter window and the hatch area in general, creating a lot of noise. Also this speaks to the amount that going with polyurethane bushings increases driveline NVH. This is no secret. If I had factory bushings, maybe I wouldnt notice it, or maybe the carrier assembly absorbs enough, I'll know soon enough once I switch.

click for photos by SnowmanZ

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