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06-10-2010, 07:58 PM
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#1 |
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Registered User
Join Date: Apr 2010
Location: Hattiesburg Ms
Posts: 235
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Have you ever seen a trailing arm modified like this?
I started taking the rear suspension apart to change the trailing arm bushings and I found that the drivers side arm had been modified. I don't see any damage to the arm so I don't think its a repair. Do you think I should replace it just in case?
   
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06-10-2010, 08:01 PM
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#2 | |
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Registered User
Join Date: Dec 2008
Location: Yay Area CA
Posts: 2,329
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Re: Have you ever seen a trailing arm modified like this?
looks like a 3/4 ton TA
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1965 GMC shortwide big window 1969 Chevy C20 long (for now) 2005 Silverado 2500HD Crew Cab Quote:
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06-10-2010, 08:04 PM
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#3 |
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Registered User
Join Date: Nov 2009
Location: Galt, Calif
Posts: 2,437
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Re: Have you ever seen a trailing arm modified like this?
You might want to put a string on it from several differant angles and compare it to the other one, for straightness / lenght from end to end...just a thought.
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`64 C10 vortec 350/350/373 posi `69 RS/SS 350/350/308 `37 Ford 406/350/324 traclock `68 Dart 370/904/323 suregrip |
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06-10-2010, 08:09 PM
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#4 |
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Senior Enthusiast
Join Date: Feb 2007
Location: Spokane Valley, WA
Posts: 8,356
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Re: Have you ever seen a trailing arm modified like this?
CPP actually makes a plate set for doing this down the entire length of the arms for reinforcement. I certainly wouldn't get rid of it because of the plate.
http://www.classicperform.com/Store/...k/6072TARK.htm
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My Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=444502 |
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06-10-2010, 09:13 PM
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#5 |
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Registered User
Join Date: Aug 2009
Location: Grinnell iowa
Posts: 42
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Re: Have you ever seen a trailing arm modified like this?
it may have started to split apart and a po had it plated to fix a soon to be prob
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66 chevy lwb 355/400 |
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06-11-2010, 01:00 AM
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#6 | |
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60-66 Nut
  Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,254
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Re: Have you ever seen a trailing arm modified like this?
I agree.....My '66 C20 has trailing arms that are like that, and I've seen a few other C20's like that as well.
Quote:
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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06-11-2010, 01:01 AM
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#7 |
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Account Suspended
Join Date: May 2005
Location: Kansas City, KS
Posts: 3,906
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Re: Have you ever seen a trailing arm modified like this?
I have seen a number of them, mostly on C20 Custom Camper trucks, so it may have been a dealer-installed option, for the heavier load-carrying capacity for the cabover campers.
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06-11-2010, 01:25 AM
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#8 |
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Registered User
Join Date: Mar 2010
Location: san jose, california
Posts: 508
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Re: Have you ever seen a trailing arm modified like this?
here's mine. it's a c20
 
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06-11-2010, 01:42 AM
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#9 |
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Registered User
Join Date: Dec 2009
Location: diamond bar, calif.
Posts: 206
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Re: Have you ever seen a trailing arm modified like this?
my c20's got 'em too.
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'66 c10ish straight 292 power! |
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06-11-2010, 06:33 AM
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#10 |
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Registered User
Join Date: Mar 2003
Location: San Francisco, CA USA
Posts: 2,454
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Re: Have you ever seen a trailing arm modified like this?
Yah, but JGross's arm looks like it is spot welded instead of riveted.
Ray |
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06-11-2010, 07:35 AM
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#11 | ||
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Account Suspended
Join Date: Sep 2009
Location: High Plains of Colorado
Posts: 2,485
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Re: Have you ever seen a trailing arm modified like this?
I believe the plates that you guys have riveted to the trailing arms are a factory design modification. I speculate that GM had problems with these trailing arms spliting so this was the fix.
I base that upon my own experience with my trailing arms and also based on the following link and the picture below from the 67-72 forum: http://67-72chevytrucks.com/vboard/s...light=trailing Pictures below are GM built arms and they have welded plates. Per a post on the thread I reference above: Quote:
Quote:
Last edited by lakeroadster; 06-11-2010 at 07:52 AM. |
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06-11-2010, 08:37 AM
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#12 |
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Rottenwood Garage Member
Join Date: May 2005
Location: Marietta, Georgia
Posts: 4,321
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Re: Have you ever seen a trailing arm modified like this?
The trailing arms in the 60's had a bad habbit of cracking or splitting and this was a VERY common repair. The one I have was called back to the dealer and welded (plated or boxed)there...according to original owner.
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2004 Chevrolet Suburban C1500 2001 Chevrolet 2500HD Crew 6.0 1999 Harley Davidson Electra Glide 1972 Chevrolet C-20 Custom Camper "Dump Truck" 1972 Chevrolet C-20 Suburban "Big Green" 1969 Chevrolet C-50 Wedge Hauler "Leonidis" 1966 C-10 2x4 short fleet 327 4 speed "Race Truck" 1952 Plymouth Cranbrook "Rican" (my grandfathers) 1931 Ford Model A Coupe "Black Beauty" 1930 Ford Model A truck "Club Cab" 4x4 Rottenwood Garage and Speed Shop.....where everything must be racy! It's not just a hobby..It's a LIFESTYLE!!! Thanks for nothing Barrett-Jackson You cant fix stupid or teach accountability! Time wasters, looky Lous and tire kickers are everywhere! |
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06-11-2010, 11:46 AM
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#13 |
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Registered User
Join Date: Apr 2010
Location: Hattiesburg Ms
Posts: 235
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Re: Have you ever seen a trailing arm modified like this?
Thanks for the input, I think I will go ahead and add some support plates to the other arm.
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