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09-11-2017, 10:17 PM
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#1 |
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Senior Member
 
Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,118
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Questions about rear shocks, and drops
"Novice" tearing down a 71 Chevy SWB, 2WD, 402/400, rear leaf springs.
Appears the top rear shock mounting stud is welded onto the front hole of the bracket. Learn something new everyday  Unless I'm missing something, I'm pondering whether or not to cut these off before paint. That's because I'm leaning toward leaf springs with a 4" drop (2.5 in front). If I recall, and am seeking confirmation or other, you can't use that spot in the bracket (i.e., existing stud), because it's too far forward for a 4" drop? Also, if I recall, with that drop, you use the rear hole of the bracket instead, but you have to drill it out for the stud? That doesn't sound right, but..... Any suggestions appreciated.............Also, just curious, you figure these are the original shocks? They're just yellow Monroe. 140K on the truck, but I've had the truck since 89, with 96K Pictures are mostly meaningless:
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Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assm. guide "kit" for restoring it from ground up. With assys, the guide accts for 1000s of OEM identifications and part numbers, all written in short order. 700+ images include assm, illust., charts, and points of interest. Much of the info. applies to all 67-72 GM trucks, and to a lessor degree all 67-72 GM vehicles. My build thread, and more on the guide https://67-72chevytrucks.com/vboard/...d.php?t=730025 Last edited by 71CHEVYSHORTBED402; 09-11-2017 at 11:33 PM. |
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09-12-2017, 01:00 PM
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#2 |
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Senior Member
Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,118
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Re: Questions about rear shocks, and drops
Thread spring, I mean shocks.
__________________
Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assm. guide "kit" for restoring it from ground up. With assys, the guide accts for 1000s of OEM identifications and part numbers, all written in short order. 700+ images include assm, illust., charts, and points of interest. Much of the info. applies to all 67-72 GM trucks, and to a lessor degree all 67-72 GM vehicles. My build thread, and more on the guide https://67-72chevytrucks.com/vboard/...d.php?t=730025 |
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09-12-2017, 03:36 PM
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#3 |
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Who Changed This?
Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,087
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Re: Questions about rear shocks, and drops
I got nothing on the lowering information, but those are not the original shocks. Original are Delco, and gray.
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~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA |
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09-12-2017, 05:12 PM
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#4 |
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Moderator
 
Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,154
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Re: Questions about rear shocks, and drops
There are rear shock relocator kits available from various vendors...see...
http://www.lmctruck.com/icatalog/cb/full.aspx?Page=64 A 4" rear drop may also need shorter shocks....see... http://www.lmctruck.com/icatalog/cb/full.aspx?Page=65 Also...front shocks should also have top bolt reinforcing kits added...see... http://www.lmctruck.com/icatalog/cb/full.aspx?Page=61 I dont work for LMC...I just find their catalogs easier to use and digitally search thru...  
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09-12-2017, 05:14 PM
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#5 | |
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Senior Member
Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,118
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Re: Questions about rear shocks, and drops
Quote:
For years I suspected the truck was traded in for the correct application (i.e., LWB). He had a fifth wheel, front boat hitch, camp mirrors, saddle tanks, step bumper with hitch, and CB on this short bed. But as it turns out, he got rid of the truck because he was elderly.
__________________
Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assm. guide "kit" for restoring it from ground up. With assys, the guide accts for 1000s of OEM identifications and part numbers, all written in short order. 700+ images include assm, illust., charts, and points of interest. Much of the info. applies to all 67-72 GM trucks, and to a lessor degree all 67-72 GM vehicles. My build thread, and more on the guide https://67-72chevytrucks.com/vboard/...d.php?t=730025 |
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09-12-2017, 06:47 PM
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#6 | |
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Senior Member
Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,118
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Re: Questions about rear shocks, and drops
Quote:
I just got off the phone with what seemed like a knowledgeable ECE rep. He says 4/2.5 drops on rear leaf spring truck is simple. As I understand it, everything essentially bolts up as original, and all that's needed are shorter shocks, which they have. He says I'll be using the rear studs as is. Good thing I didn't cut them off  He says a real coil drop is a different story, because the original mount locations won't work as is.
__________________
Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assm. guide "kit" for restoring it from ground up. With assys, the guide accts for 1000s of OEM identifications and part numbers, all written in short order. 700+ images include assm, illust., charts, and points of interest. Much of the info. applies to all 67-72 GM trucks, and to a lessor degree all 67-72 GM vehicles. My build thread, and more on the guide https://67-72chevytrucks.com/vboard/...d.php?t=730025 |
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