Join Date: Mar 2000
Location: Northern Catskill Mountains, NY
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Re: Out of phase driveshaft to stop vibes?
Got a good explanition. All I had to do is ask my partner in grime, Yankee Bob. (Ang the right hand knows what the left hand is doing?)
Seems that the usual proper way of installing a driveshaft is to phase the shaft, but when you get to steep angles this can change.
Since a U-joint is on constant velocity (CV) as the angle of the shaft increases, the speed at which the driveshaft turns brings to vary, creating the vibrations that we have all come to know and love. By spinning the driveshaft 90*, it will lessen th effect of this problem. It took a little bit and actually holding a driveshaft and turning it to have him explain this to me.
Well, we are going to give it a shot on the rear shaft this weekend. I'll keep you posted. As for the front, I'll be going custom to make up for the super droop mods that are in store for my lift.
<font color=blue>Yankee Tim</font color=blue>[img]/wwwthreads_images/icons/cool.gif[/img]