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#1 |
Registered User
Join Date: Aug 2015
Location: Kelowna, B.C, Canada
Posts: 1,747
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Trailing arms offset?
The trailing arms on my 62 seem to be offset more to the drivers side. I noticed this quite a while ago when the axle was in the truck, but I just assumed it was because the panhard bar wasn't the correct length. But now that the axle is out I can clearly see that the trailing arms themselves are offset to the drivers side. What can I do to correct this? If I make sure my new panhard bar is the correct length will the trailing arms settle into the right spot? The difference isn't small. Here is a picture of the drivers side with my camera touching the bedside. You can clearly see that it's sticking out past the bedside.
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#2 |
Registered User
Join Date: Aug 2015
Location: Kelowna, B.C, Canada
Posts: 1,747
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Re: Trailing arms offset?
And here is a picture of the passenger side taken with the camera resting on the bedside. As you can see it is tucked under the bed and is not visible.
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Nik...................____ 62 lwb c10 step-side 261 5 spd .........________//__{\_____ ,,,,,,,/__(O)___//___/__(O)_/ my build thread. Sending unit solution |
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#3 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: Trailing arms offset?
Are the bushings at the front worn and sloppy? Are you going to replace them? Have you checked the trailing arms to make sure they are in good condition, as in not separating or rusted through? Also are you sure the bed is centered on the frame?
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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 Last edited by Captainfab; 03-23-2017 at 12:08 AM. |
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#4 |
Registered User
Join Date: Aug 2015
Location: Kelowna, B.C, Canada
Posts: 1,747
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Re: Trailing arms offset?
The arms are in good shape, not rust and bends. I'm almost positive the bed is centred properly (I'll check it out tomorrow). And as far as the bushings go they actually don't look like they are in that bad of shape, but tomorrow I'll have to jack up the truck by the frame and confirm there isn't too much slop. Thanks
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Nik...................____ 62 lwb c10 step-side 261 5 spd .........________//__{\_____ ,,,,,,,/__(O)___//___/__(O)_/ my build thread. Sending unit solution |
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#5 |
Registered User
Join Date: Jan 2009
Location: Burbank, CA
Posts: 3,608
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Re: Trailing arms offset?
I wouldn't base anything off of how it looks without the axle attached. The springs themselves could be pushing it funny. If it looks like it is only a little off when the axle is attached and the truck is sitting on the ground then I would look into adjusting it by shortening or lengthening the panhard bar.
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#6 |
Registered User
Join Date: Aug 2015
Location: Kelowna, B.C, Canada
Posts: 1,747
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Re: Trailing arms offset?
That could be a possibility, the truck was parked for about 30-35 years, maybe it spent that time parked on a hill and the springs have gotten out of shape. In fact back when it had the original torsion bar front end the truck leaned quite a bit to the passengers side. I had to crank down the drivers side torsion bar to get it to sit level. So that is one theory. I'm thinking that the correct length panhard bar should fix the problem.
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Nik...................____ 62 lwb c10 step-side 261 5 spd .........________//__{\_____ ,,,,,,,/__(O)___//___/__(O)_/ my build thread. Sending unit solution |
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#7 |
Moderator
![]() ![]() Join Date: Aug 2011
Location: China Spring, TX
Posts: 7,280
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Re: Trailing arms offset?
The rear end isn't installed and the Panhard Bar isn't attached? There's your answer.
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Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats? |
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#8 |
Registered User
Join Date: Aug 2015
Location: Kelowna, B.C, Canada
Posts: 1,747
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Re: Trailing arms offset?
Yes but it had this same offset when the rear end was in. Factory panhard bar and yet it still was way off to one side
__________________
Nik...................____ 62 lwb c10 step-side 261 5 spd .........________//__{\_____ ,,,,,,,/__(O)___//___/__(O)_/ my build thread. Sending unit solution |
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#9 |
Registered User
Join Date: Jan 2009
Location: Burbank, CA
Posts: 3,608
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Re: Trailing arms offset?
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#10 |
Registered User
Join Date: Aug 2006
Location: Athens, Georgia
Posts: 1,456
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Re: Trailing arms offset?
I wonder if someone replaced one of them at some point: If I remember correctly, the offset is different '60-62, versus '63-up.
-Brad
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'61 Suburban daily driver: off the road due to 180-pound 8-pt buck! '62 K-10 long-step project '61 C30 Camper, aka "Valdez" There's no cool like Old School |
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#11 |
Registered User
Join Date: Aug 2015
Location: Kelowna, B.C, Canada
Posts: 1,747
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Re: Trailing arms offset?
No they are definitely correct, as the 63-66 trailing arms are a couple of inches inboard and will not line up, I know this for sure as I tried bolting in a 71 rear ended just to see how far off it was. There was no way it would've worked, so I relocated the mounting pads on the axle.
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Nik...................____ 62 lwb c10 step-side 261 5 spd .........________//__{\_____ ,,,,,,,/__(O)___//___/__(O)_/ my build thread. Sending unit solution |
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#12 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: Trailing arms offset?
When you put the differential back under it, I would suggest buying or making an adjustable panhard bar. That way you can get it dialed in right where you want it.
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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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#13 |
State of Confusion!
![]() ![]() Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 46,858
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Re: Trailing arms offset?
Nice work!
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Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! |
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#14 |
Registered User
Join Date: Nov 2013
Location: North Bend Wa
Posts: 355
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Re: Trailing arms offset?
Was set it at the desired ride height when you welded it?
.
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65 C20 292 4spd 4:56 Eaton HO52 |
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#15 |
Senior Member
![]() Join Date: Jul 2014
Location: Los Gatos, Ca.
Posts: 407
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Re: Trailing arms offset?
The rear axle on my truck is also offset to the driver side. At least an inch I'd say. I don't know if it came from the factory this way or not. My truck carried a cab-over camper nearly fulltime for years and I wonder if a custom length panhard bar was installed to keep the axle centered when loaded. I'm sure that camper was a good 2000 lbs trip ready.
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1966 K20 flatbed build thread - http://www.67-72chevytrucks.com/vboa...d.php?t=768827 62 C20 build thread - http://67-72chevytrucks.com/vboard/s...d.php?t=703583 |
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#16 | |
Registered User
Join Date: Aug 2015
Location: Kelowna, B.C, Canada
Posts: 1,747
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Re: Trailing arms offset?
Thanks bill!
Yes, it was. Quote:
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Nik...................____ 62 lwb c10 step-side 261 5 spd .........________//__{\_____ ,,,,,,,/__(O)___//___/__(O)_/ my build thread. Sending unit solution |
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