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06-16-2016, 05:38 AM
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#1 |
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Registered User
Join Date: Jan 2014
Location: Cowpens S.C.
Posts: 138
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2 piecs drive shaft
Can someone explain to me where the "slip" is on the rear section of a 2 piece driveshaft? I know the yoke slips in the front. My mind tells me that the rear needs 'slip" also, if not more than the front. Am I thinking wrong?
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06-16-2016, 08:57 AM
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#2 |
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Registered User
 
Join Date: Jan 2012
Location: Washington,Il
Posts: 632
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Re: 2 piecs drive shaft
Not the best pictures.but I installed a new carrier brg. and u joints in my 2 pc. shaft about a month ago. The only (slip) point is at the transmission. The yoke just behind the carrier bearing is bolted the other shaft.
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It builds on my intelligence when I make a mistake, Boy am I building on it! '67 C-10,'70 Nova SS 
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06-16-2016, 09:00 AM
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#3 |
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Registered User
Join Date: Jan 2012
Location: Washington,Il
Posts: 632
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Re: 2 piecs drive shaft
I should add that my truck is a '67 c-10 with a trailing arm suspension. Not sure about a leaf spring setup
__________________
It builds on my intelligence when I make a mistake, Boy am I building on it! '67 C-10,'70 Nova SS
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06-16-2016, 09:27 AM
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#4 |
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Registered User
Join Date: Jan 2014
Location: Cowpens S.C.
Posts: 138
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Re: 2 piecs drive shaft
I have done the same thing. Mine is a 71 SWB trailing arm. Just wondering what happens when the rear end travels up & down. Something has to give somewhere.
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06-16-2016, 10:29 AM
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#5 |
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Senior Member
Join Date: Jun 2009
Location: Belews Creek , NC
Posts: 4,220
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Re: 2 piecs drive shaft
I don't worry or think about this to much as it has worked for over 40 years.
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Larry It is easily overlooked that what is now called vintage was once brand new. "Project 68" paypal.me/ldgrant |
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06-16-2016, 02:55 PM
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#6 |
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Registered User
Join Date: Jan 2012
Location: Washington,Il
Posts: 632
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Re: 2 piecs drive shaft
I'm no engineer. but it appears the carrier bearing rubber boot gives it enough play. the bracket and rubber is what failed on my driveshaft. the bearing itself was good. I replaced as a whole to be safe. The bracket actually broke where it bolts to the crossmember (back and forth motion???)
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It builds on my intelligence when I make a mistake, Boy am I building on it! '67 C-10,'70 Nova SS
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06-16-2016, 03:10 PM
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#7 |
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Registered User
Join Date: May 2016
Location: Waverly, NE
Posts: 344
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Re: 2 piecs drive shaft
With a trailing arm suspension the trailing arms and the rear axle pivot in exactly the same arc as the driveshaft. No slip joint is needed. Any tiny amount of movement allowed by chassis flex is accommodated by the center bearing floating in a rubber mount and a slip joint at the transmission.
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1965 Malibu SS L79 Restoration Page 1965 Two-Door Wagon Project Progress Page 2006 Pontiac GTO Preservation Project Rich Cummings |
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06-16-2016, 09:39 PM
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#8 |
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Registered User
Join Date: Mar 2013
Location: Campbellsville, KY
Posts: 888
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Re: 2 piecs drive shaft
As Rich69shortfleet said, I'm under the impression the smaller style driveshaft has no telescoping component in the middle - just a slip yoke in the back of the transmission and adequate movement built into the carrier bearing assembly.
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Alex V. ------ 1967 C10 Suburban, 350/NP435, Green/Green, PS, PB, HD cooling, charging, shocks, and springs. 1985 GMC C3500 SRW, Sierra Classic, 454/TH400, white/blue. |
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06-17-2016, 07:30 AM
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#9 |
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Registered User
Join Date: Jan 2014
Location: Cowpens S.C.
Posts: 138
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Re: 2 piecs drive shaft
Thanks Guys
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