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83 D150 C-body 8 3/4 swap?
#2286028
04/11/17 09:34 PM
04/11/17 09:34 PM
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Joined: Feb 2006
Posts: 1,057 The Great White North
RAMM
OP
super stock
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OP
super stock
Joined: Feb 2006
Posts: 1,057
The Great White North
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I'm in the process of fitting some 19 x 11 rear rims on my truck and the stock 8 1/4" rear width looks to be perfect. I have heard that an 8 3/4 from a C-body is the same width and only the spring perches will need to be moved. Does anyone mind sharing the ins/outs of this swap ? Also what year of C-body am I looking for? Its tough to find specs on these trucks such as 8 1/4 rear widths/specs. Thanks in advance. J.Rob
2009 PHR\EMC Competitor 2010 PHR\EMC Competitor 2011 PHR\EMC Competitor 2012 PHR\EMC Competitor 2013 PHR\EMC Competitor 2014 HotRod/EMC Competitor 2015 HotRod/EMC NoShow 2016 HotRod/EMC 3rd place SPEC Bigblock 2018 HotRod/EMC 7th place G3
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Re: 83 D150 C-body 8 3/4 swap?
[Re: RAMM]
#2286047
04/11/17 10:09 PM
04/11/17 10:09 PM
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Joined: Jan 2008
Posts: 3,886 Lost and Spaced
bboogieart
master
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master
Joined: Jan 2008
Posts: 3,886
Lost and Spaced
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All I can offer is; From backing plate mount to backing plate mount I got, 56 3/4"s From outer edge to outer edge of the perches I got, 49"s This is a '68 C-body 8 3/4" rear axle.
I have mechanical Aptitude. I can screw up anything.
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Re: 83 D150 C-body 8 3/4 swap?
[Re: scratchnfotraction]
#2286632
04/12/17 09:28 PM
04/12/17 09:28 PM
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Joined: Feb 2006
Posts: 1,057 The Great White North
RAMM
OP
super stock
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OP
super stock
Joined: Feb 2006
Posts: 1,057
The Great White North
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Thanks a ton guys! I will have some pics of my 18"/19" wheel combo soon!. J.Rob
2009 PHR\EMC Competitor 2010 PHR\EMC Competitor 2011 PHR\EMC Competitor 2012 PHR\EMC Competitor 2013 PHR\EMC Competitor 2014 HotRod/EMC Competitor 2015 HotRod/EMC NoShow 2016 HotRod/EMC 3rd place SPEC Bigblock 2018 HotRod/EMC 7th place G3
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Re: 83 D150 C-body 8 3/4 swap?
[Re: poorboy]
#2289913
04/18/17 08:49 AM
04/18/17 08:49 AM
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Joined: May 2015
Posts: 259 n.c.
geo.
enthusiast
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enthusiast
Joined: May 2015
Posts: 259
n.c.
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71 and up (may go back to 67 or 68) "C" body, 74 and up "B" body, and 1/2 ton trucks all share the same axle housing for the same size rear end (8 1/4, 8 3/4, 9 1/4). Car spring pads are on the bottom of the housing because the housing sits above the leaf springs. Truck spring pads (except 1st gen 2wd Dakotas) have the spring pads above the housing because the axle is mounted under the springs. 73 and newer cars used a rubber encased axle to leaf spring pads that you would probably want to change over the the truck pads that mounted directly on the springs. Gene Only the late B body wagon axle is the same width, sedan/coupe is narrower.
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