3/4 ton rear leaf interchange inquiry - The 1947 - Present Chevrolet & GMC Truck Message Board Network

RPOZ11 · 11-13-2005, 09:44 PM

On 67-72's, will the 73 and up 3/4 ton leaf springs fit and work ?
One side of my 72 was broken, and I was wondering if I can use later model springs?
Thoughts....

67-72williso · 11-13-2005, 10:04 PM

C series 67-72 are 2 1/4" 73-up 2 1/2". You should be able to get a replacement from someone that is parting one out.
Later Willis

rodnut randy · 03-17-2006, 08:11 PM

please advise where you came up with the 2 1/4 on 67 to 72 . I have all spring companies telling me my 70 takes 2 1/2 wide and they will not fit. also they tell me axle alignment bolt is in center (26 in. on a 52 eye to eye spring) where mine are 24 from front and 28 from rear

72armyswbtruck · 03-17-2006, 08:27 PM

If I remember correctly from the interchange manual that I have willis is right, they won't work

dwaite72lnghrn · 03-17-2006, 08:29 PM

I put a new spring pack in my c30 longhorn, New installed from stanley springs cost about $200 labor included. A good spring shop should be able to get you a set matched if the old spring pack is still in 1 piece. Mine broke in 3 pieces but they just measured the other side and had it in stock. Stanley springs is a division of dayton parts. http://www.daytonparts.com/state_ca.asp?Zip=92

11-13-2005, 09:44 PM	#1
RPOZ11 72 BB C30 Super LongHorn Join Date: Nov 2002 Location: Chavez Ravine Posts: 1,606	3/4 ton rear leaf interchange inquiry On 67-72's, will the 73 and up 3/4 ton leaf springs fit and work ? One side of my 72 was broken, and I was wondering if I can use later model springs? Thoughts.... __________________ 72 BB C/30 Longhorn Super HO72 No-Spin, #'s matching, Tilt, Tach, AC, AM/FM HO72 build : http://67-72chevytrucks.com/vboard/s...d.php?t=714492 2017 SS

11-13-2005, 10:04 PM	#2
67-72williso Junk/Daily Driver Club Join Date: Feb 2004 Location: Manheim, PA 17545 Posts: 253	Re: 3/4 ton rear leaf interchange inquiry C series 67-72 are 2 1/4" 73-up 2 1/2". You should be able to get a replacement from someone that is parting one out. Later Willis __________________ Daily Driver: 1970 C-20 400 sbc,sm-465,Dana 61 one ton SRW rear, 3.07 gears, locker. There are three kinds of people: those who make things happen, those who watch things happen, and those who have no idea what happened!

03-17-2006, 08:11 PM	#3
rodnut randy Registered User Join Date: Aug 2003 Location: Ohio Posts: 8	Re: 3/4 ton rear leaf interchange inquiry please advise where you came up with the 2 1/4 on 67 to 72 . I have all spring companies telling me my 70 takes 2 1/2 wide and they will not fit. also they tell me axle alignment bolt is in center (26 in. on a 52 eye to eye spring) where mine are 24 from front and 28 from rear

03-17-2006, 08:27 PM	#4
72armyswbtruck Registered User Join Date: Feb 2004 Location: Idaho Posts: 4,034	Re: 3/4 ton rear leaf interchange inquiry If I remember correctly from the interchange manual that I have willis is right, they won't work __________________ "Remember, They can Kill You, but they can't eat You, That's against the law!!!!!!!!!"

03-17-2006, 08:29 PM	#5
dwaite72lnghrn Registered User Join Date: Jun 2002 Location: central pa Posts: 1,525	Re: 3/4 ton rear leaf interchange inquiry I put a new spring pack in my c30 longhorn, New installed from stanley springs cost about $200 labor included. A good spring shop should be able to get you a set matched if the old spring pack is still in 1 piece. Mine broke in 3 pieces but they just measured the other side and had it in stock. Stanley springs is a division of dayton parts. http://www.daytonparts.com/state_ca.asp?Zip=92 __________________ 72 longhorn c30 502BB/th400/fact air/4.11rear/ custom camper 72 bug(the better half's) under reconstruction 2009 HHR aqua blue 71 GMC k20 350/sm465 2009 Chevy hd3500 6.6 Victory Red crew cab dually Dave & Jeanne



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