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Old 08-15-2011, 10:23 PM   #1
windmill
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72 truck leaf spring question

Does anyone know if they are a difference from the center pin to each end of the leafs? this maybe why my driveshaft is 2 inches short, and looks like its to far up front ways..... thanks guys.
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72 swb pickup
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1967 chevelle ss
1966 mustang getting a l33 ls motor
1969 chevy dump truck
1989 mustang 6.0 ls best time of 1.29 at 5.91
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Old 08-16-2011, 05:27 PM   #2
sjarrett71
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Re: 72 truck leaf spring question

Hopefully you can find the answer here:

http://www.generalspringkc.com/index...parent=13&pg=1
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Old 08-16-2011, 09:56 PM   #3
windmill
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Re: 72 truck leaf spring question

hey thank you, but it shows its 4 inch diff from pin to each end... but i also thought all the springs was 2-1/4 instead of 2-1/2....
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72 swb pickup
http://i124.photobucket.com/albums/p...k/100_0958.jpg
1967 chevelle ss
1966 mustang getting a l33 ls motor
1969 chevy dump truck
1989 mustang 6.0 ls best time of 1.29 at 5.91
https://www.youtube.com/watch?v=JtbooZoGZmQ
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Old 08-20-2011, 05:03 AM   #4
1malo68
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Re: 72 truck leaf spring question

72 leaf springs are all 2-1/2" wide. 67 and 68 were 2-1/4" wide. As far as the pin offset, this was taken from Tuff Country's Installation Manual

"Locate the new rear springs and the new rear spring
eye hardware. Working on the driver side, install the new
rear spring into the stock location and secure using the
new spring eye hardware. Make sure to use thread
locker or locktite on these bolts. Torque the rear
spring eye hanger hardware to 120 ft lbs. Special Note:
Do not torque the rear spring eye shackle hardware
at this time. Once the vehicle is lowered to the
ground, the rear spring eye shackle will be torque to
40 ft lbs. Repeat procedure on the passenger side.
Special Note: The new rear springs have an off set
centering bolt, the longer end of the spring needs to
be installed towards the rear of the vehicle."
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Old 11-18-2011, 06:56 PM   #5
sneezys72
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Re: 72 truck leaf spring question

I can't speak for the pin placement but I have a 72 Chevy with stock 2-1/4" leaf springs in the rear. Called ECE and the lowering springs they offer are 2-1/4". These leaf kits are replacement for stock leaf springs.
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Old 11-18-2011, 07:21 PM   #6
windmill
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Re: 72 truck leaf spring question

i got my lowering springs installed for a while now,,,the proble was i had the springs backwards,,,,, i got pull the bed off i a few day i can take pics of it when i do,,,,, i need to figure out how to put the gas tank in the rear now...
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72 swb pickup
http://i124.photobucket.com/albums/p...k/100_0958.jpg
1967 chevelle ss
1966 mustang getting a l33 ls motor
1969 chevy dump truck
1989 mustang 6.0 ls best time of 1.29 at 5.91
https://www.youtube.com/watch?v=JtbooZoGZmQ
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