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Old 12-21-2016, 10:49 PM   #1
IXLR82FAST4U
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1972 trailing arm crossmember

hey guys, I have a 72 c10 longbed and I bought a trailing arm crossmember from LMC, essentially it came from cpp, but I'm hearing that this wont work with a long bed truck , is this true and why?
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Old 12-21-2016, 11:06 PM   #2
clay68c10
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Re: 1972 trailing arm crossmember

It should be the same for long or short.
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Old 12-21-2016, 11:36 PM   #3
IXLR82FAST4U
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Re: 1972 trailing arm crossmember

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Originally Posted by clay68c10 View Post
It should be the same for long or short.
I hope so , there was a piece of paper that came with it that said it was for a short bed but LMC didn't specify long or short bed , this is why I don't do this for a living anymore...
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Old 12-22-2016, 10:55 AM   #4
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Re: 1972 trailing arm crossmember

the long beds have the carrier bearing there for the driveshaft. swb do not have the provisions for the bearing for the two piece driveshafts. look at pbfab.com and see their 2 different photos for options for a better understanding of what im getting at.
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Old 12-22-2016, 12:41 PM   #5
67c10rustbuket
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Re: 1972 trailing arm crossmember

Yes it will work with a long wheelbase. Both short wheelbase and long wheelbase trucks came from the factory with a two piece driveshaft and carrier bearing, although there are at least three different types of carrier bearings. If you plan to keep your two piece driveshaft you need the carrier bearing bracket that bolts to the crossmember (which is mentioned on their website).
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Old 12-22-2016, 01:08 PM   #6
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Re: 1972 trailing arm crossmember

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Originally Posted by 67c10rustbuket View Post
yes it will work with a long wheelbase. Both short wheelbase and long wheelbase trucks came from the factory with a two piece driveshaft and carrier bearing, although there are at least three different types of carrier bearings. If you plan to keep your two piece driveshaft you need the carrier bearing bracket that bolts to the crossmember (which is mentioned on their website).
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Old 12-22-2016, 07:40 PM   #7
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Re: 1972 trailing arm crossmember

Quote:
Originally Posted by Couch View Post
the long beds have the carrier bearing there for the driveshaft. swb do not have the provisions for the bearing for the two piece driveshafts. look at pbfab.com and see their 2 different photos for options for a better understanding of what im getting at.
Many short beds also have carrier bearings.
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Old 12-23-2016, 12:18 AM   #8
IXLR82FAST4U
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Re: 1972 trailing arm crossmember

okay awesome thanks guys!
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