View Full Version : Aluminum driveshaft
07-14-2006, 08:06 PM
I just picked up one today for $10 :2up: . Im going to replace the U-joints. Question is which U-joints do i need? Car is an 85 without the tow package. U-joint is out of either a 92+ P71 or a Aerostar. they use the same shaft. I will be using my front yoke and most likely me rear flange.
Scott, you put that 98 shaft in Nate''s car right?
07-14-2006, 11:06 PM
Think all the joints are the same, the flanges are different in some apps though.
07-14-2006, 11:48 PM
when captain wacky did his with a 90's shaft, he had to use special U joints and swap the box flang/transmission ends onto the new shaft.
07-15-2006, 01:39 AM
there are two different drive shafts. The big shaft came in the PI and tow package it has bigger u joints and flange at the rear. I t wont fit some rear flanges there too big. There are two other flanges on aluminum drive shafts but have the steel type u joints and can be swapped if the flanges dont fit.
07-15-2006, 10:02 AM
I know about the flanges i need to know which PN U-joint to use. they list a different one for a 97 PI and a 85 non-tow.
07-15-2006, 11:30 AM
I thought there was some special adapter U joint used for doing this?
07-15-2006, 02:47 PM
i got under the car today. it looks that the U-joints are the same. Im gonna get a set and try it. I need to install the driveshaft loop anyway.
07-15-2006, 05:28 PM
The real expensive u joints for the PI and tow package are probably the ones you dont want. They are a lot wider across the caps. Most aluminum shafts were for economy and use a bigger fllange at the rear but can be swapped with the steel shaft fllange your car came with.
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