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04-09-2011, 09:56 AM
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#1 |
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Registered User
 
Join Date: May 2009
Location: Kernersville, NC
Posts: 70
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What is the purpose of a 2-piece driveshaft on a SWB?
What is the purpose of a 2 piece drive shaft on a SWB? Looks like the center bearing would be a weak link. My 71 SWB has a 2-piece, and my 68 SWB has a 1-piece.
Eddie |
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04-09-2011, 10:31 AM
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#2 |
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Senior Member
Join Date: Mar 2005
Location: weatherford,texas
Posts: 1,003
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Re: What is the purpose of a 2-piece driveshaft on a SWB?
your tranny doesn't have a slip yoke on the tailshaft, therefore you need the 2 piece for the slip yoke behind the carrier bearing.
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04-09-2011, 10:53 AM
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#3 |
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Registered User
Join Date: Sep 2008
Location: Mobile, Al.
Posts: 687
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Re: What is the purpose of a 2-piece driveshaft on a SWB?
Somebody said somewhere on this site a few months ago that it dampened vibration at speed, my younger brother had a 80 model swb he couldn't keep a u-joint in and after a time he went to a junk yard and took a Chevy one piece drive shaft off a 50's model and did away with the two piece stuff. He drove the truck several years after that. 55 was the speed limit then he didn't complain about vibration to me.
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04-09-2011, 11:40 AM
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#4 |
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Registered User
Join Date: Apr 2010
Location: Boise, ID
Posts: 1,280
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Re: What is the purpose of a 2-piece driveshaft on a SWB?
I heard if a one piece gets too long it becomes too hard to balance it or at least it can develop issues due to size, mass or weight that keep it from operating smoothly.
Last edited by ubtripn; 04-09-2011 at 11:40 AM. |
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