2 Piece Drive Shaft and 4 Link

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socalkid92

Senior Member
Nov 9, 2010
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National City, CA
What is the optimum location for a 2 piece driveshaft to connect at the 2 u joints in the center on a 4 link setup? Is it at the same pivot point as the lower link? Upper link?

I have a 4.0 with a c4 trans on an extended cab ranger.

I have a drive shaft that was given to me by a friend where the u joint is at approximately the same point as the upper link pivot point off the frame. I can possibly get it shortened if needed.

I still haven’t built a crossmember for the carrier bearing either so that can be put anywhere.

 

partybarge_pilot

Uno mas Cervesa!
May 14, 2004
11,969
3,365
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Easton, KS
Driveshaft should be about the same length as the lower links. The u-joint will be in front of the arm pivots. Vertical placement is also a little tricky to manage plunge.
 
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socalkid92

Senior Member
Nov 9, 2010
2,541
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48
National City, CA
Driveshaft should be about the same length as the lower links. The u-joint will be in front of the arm pivots. Vertical placement is also a little tricky to manage plunge.
Cool that sounds good! Do you know where I could get a good carrier bearing that will hold up to abuse?


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84prerunner

2:AM Fabrication
Feb 7, 2008
21,673
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Covina CA
Cool that sounds good! Do you know where I could get a good carrier bearing that will hold up to abuse?


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Best bet is to run a fixed yoke at the trans and a regular rubber type bearing. A fixed yoke eliminates most of the force that kills the bearings. If you have to run a floating bearing a solid bearing like barge posted is the best bet, that’s what I run, but you do get more vibration in the cab.
 

socalkid92

Senior Member
Nov 9, 2010
2,541
49
48
National City, CA
Best bet is to run a fixed yoke at the trans and a regular rubber type bearing. A fixed yoke eliminates most of the force that kills the bearings. If you have to run a floating bearing a solid bearing like barge posted is the best bet, that’s what I run, but you do get more vibration in the cab.
Cool the trans actually already has a fixed yoke, supposedly it’s built with billet internals and all the goodies but I never opened it to check.
 
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marcytech

Mega Member
Mar 16, 2011
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A fixed yoke saved carrier bearings. I run a rubber cased bearing and it’s been 3 years with 0 issues


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