What years trailing arms will interchange? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

68jimmy · 07-26-2004, 05:41 PM

I'm swapping the rear coil suspension from a 70 lwb 1/2ton into my 68 lwb leaf-sprung 3/4 ton. The trailing arms are badly rusted and I'd like to know what years are interchangable and if there is a difference in the arms between the swb and lwb...

thanks!

JHickson6 · 07-26-2004, 08:21 PM

All trailing arms are the same i believe, on the longer wheel base models the trailing arm crossmember is just further back.

68jimmy · 07-26-2004, 11:25 PM

Do you know if the arms from a pre-67 will as well?

thanks..

incoma · 08-04-2004, 10:47 PM

I'd look on an online catalog to see if the pre 67 will interchange. I looked in my classic industries, year one and lmc books and didn't find the part numbers to compare.

68jimmy · 08-05-2004, 06:51 PM

Actually I have found a set from a 66 3/4ton and they are the same except for the e-brake bracket found on the later versions... And the 3/4ton versions have the extra reinforcement plates to boot.

07-26-2004, 05:41 PM	#1
68jimmy Registered User Join Date: Dec 2003 Location: albuquerque Posts: 431	What years trailing arms will interchange? I'm swapping the rear coil suspension from a 70 lwb 1/2ton into my 68 lwb leaf-sprung 3/4 ton. The trailing arms are badly rusted and I'd like to know what years are interchangable and if there is a difference in the arms between the swb and lwb... thanks!

07-26-2004, 08:21 PM	#2
JHickson6 I Love This Stuff! Join Date: May 2002 Location: Winnipeg, Manitoba, Canada Posts: 739	All trailing arms are the same i believe, on the longer wheel base models the trailing arm crossmember is just further back. __________________ My Rides 1967 C10 In Pieces for now 1985 Ford B700 SourPuss Bus - BIG BLUE 2003 Silverado CITY WORKER YELLOW!!

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07-26-2004, 11:25 PM	#3
68jimmy Registered User Join Date: Dec 2003 Location: albuquerque Posts: 431	Do you know if the arms from a pre-67 will as well? thanks..

08-04-2004, 10:47 PM	#4
incoma Registered User Join Date: Mar 2004 Location: Lexington, KY Posts: 865	I'd look on an online catalog to see if the pre 67 will interchange. I looked in my classic industries, year one and lmc books and didn't find the part numbers to compare.

08-05-2004, 06:51 PM	#5
68jimmy Registered User Join Date: Dec 2003 Location: albuquerque Posts: 431	Actually I have found a set from a 66 3/4ton and they are the same except for the e-brake bracket found on the later versions... And the 3/4ton versions have the extra reinforcement plates to boot.



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