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09-08-2009, 10:26 PM
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#1 |
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Registered User
Join Date: May 2009
Location: Laporte, IN
Posts: 167
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Rear Springs, Weak?
Greetings,
We are getting close to finishing the body/paint on the 72'. Now the question, we can really move/shake the bed on the truck, and no the bed is not loose. It seems like the rear springs are really weak. Is this normal? Thanks, MrBlue
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MrBlue 72' C-10 350 TKO-600 Current Project 54' Ford F-100 Life Long Project |
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09-09-2009, 12:23 AM
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#2 |
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Registered User
 
Join Date: Jul 2007
Location: New River Arizona
Posts: 1,180
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Re: Rear Springs, Weak?
Have they been heated to lower them? Are the shocks bad? is the panard bar bushing bad? these could cause looseness.
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09-09-2009, 12:47 AM
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#3 |
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20' Daredevil (Ret)
 
Join Date: May 2003
Location: Jefferson State
Posts: 13,731
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Re: Rear Springs, Weak?
Is the panhard bar missing?
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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09-09-2009, 03:09 AM
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#4 |
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I really hate wet sanding!
Join Date: Dec 2008
Location: Brookfield, MO
Posts: 601
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Re: Rear Springs, Weak?
the frames of these trucks twist quite easily, all three of the ones I got will do this when you shake them side to side. If you watch the front of the bed and the rear of the cab while shaking it side to side you can actually see the twisting action there.
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09-09-2009, 03:37 AM
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#5 |
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70 Chevrolet=Obsession
Join Date: Jun 2009
Location: nice ca
Posts: 1,067
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Re: Rear Springs, Weak?
Could be really worn panhard rod bushings. Crawl under the truck and watch the bushings while someone shakes the bed from side to side.
__________________
 I'm Just like my truck. Old, Ugly and Grouchy. Except my truck starts easily in the morning and doesn't smoke! IT'S NOT EASY BEING GREEN! -Kermit the frog 1970 Chevrolet C-10 Longbed Stepside : 350, Muncie M20, 3.08 GM corp. positraction Forest green exterior/light green interior(Where all my money goes) 1996 Toyota Corolla (Parts runner) |
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09-09-2009, 06:40 AM
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#6 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Rear Springs, Weak?
40 year old trailing arm bushings 40 year old panhard bar bushings 40 year old springs ? might have some slop there
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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09-09-2009, 11:06 AM
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#7 |
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Registered User
Join Date: Dec 2006
Location: Porter Ranch, CA
Posts: 978
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Re: Rear Springs, Weak?
When you shake it, have someone lie down underneath the truck and see what's really moving. It could the tires flexing as you shake it... or it could be bushings as everyone else stated. Just get under it and start narrowing it down.
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