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Aluminum Driveshaft question

  • Thread starter Thread starter COBESGT
  • Start date Start date May 30, 2010
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COBESGT

Member
Oct 19, 2004
231
0
16
Dubuque, Iowa
May 30, 2010
#1
  • May 30, 2010
  • #1
Ok, so I've done some searching thru the forums and haven't quite found the answer that I'm looking for. Here is my question:

I want to get an Aluminum Driveshaft but not sure what can be done with a lowered car (Eibach Pro-Kit). I see several driveshafts can be ordered with a Pinion Flange but I'm not sure of the reason behind them. Do they help to offset a car that has been lowered and the pinion angle isn't the same as stock? If I order the other type without the pinion flange, do I need to get an adjustable UCA? Which type is better and what type makes the most economical sense? I guess I could just call some of these places and ask them the questions, but I figured someone out here knows what I'm asking.

Speaking about an adjustable UCA, how do you know when you have one installed with the proper adjustment/angle? Should the driveshaft angle be the same as the pinion angle or rear diff angle?

Any answers or suggestions are always appreciated.
 

walter

Founding Member
Aug 13, 1998
1,054
0
46
Houston TX
May 30, 2010
#2
  • May 30, 2010
  • #2
I think (limited understanding of subject) that you would need to check and adjust your pinion if your car is lowered more then a 1 inch. At that point it makes no difference whether you got a DS with an adapter or with a pinion for them and for that you need adjustable control arms in the rear.

Now according to some, the shafts that offer the replacement pinion are less likely to vibrate or be off especially if the car is lowered then those that have a simple adapter plate to make them work.
 

Casey4s

New Member
Sep 1, 2007
147
0
0
Woodbridge, VA
May 31, 2010
#3
  • May 31, 2010
  • #3
You need to correct your suspension first. If you lowered your car you need an adjustable panhard bar and an adjustable UCA. I also had to add caster camber plates on mine which is down 1.5".

My aluminum shaft is a Spydershaft, which replaces the pinion flange and does not vibrate at high speed.
 
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