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Old 10-14-2017, 02:38 PM   #1
Notes
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Helper/Overload Springs

72 C10 has a leaf spring on each side. Do I need them? From the looks of the rubber bump stops on them, they were needed before. If I lower it (coil springs), will these overload springs be in the way, or bottom out? It was my Dad’s truck, and he sometimes referred to it as being a heavy half. Do the springs verify that it is? Thanks
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Old 10-15-2017, 12:30 PM   #2
Gromit
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Re: Helper/Overload Springs

Don't know but this is to give your thread a bump..

My guess would be yes, you would have to remove that to lower it.

I do know from the manual that one of the attaching bolts for the aux spring is on there torqued to 370 foot pounds. (photo attached page 4-4 of Service Manual)

I only weigh a buck sixty five so even with a two foot cheater bar that one sounds worrying.
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Old 10-15-2017, 12:52 PM   #3
Notes
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Re: Helper/Overload Springs

Thanks Gromit. I appreciate the help!
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Old 10-15-2017, 01:38 PM   #4
WIDESIDE72
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Re: Helper/Overload Springs

From personal experience, the "half a leaf spring" overloads wont work with a lowered truck.
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Old 10-15-2017, 09:03 PM   #5
Notes
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Re: Helper/Overload Springs

Thanks. Got them off. They were just about all my 1/4” ratchet could handle. ;=)
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Old 10-15-2017, 09:25 PM   #6
weq92f
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Re: Helper/Overload Springs

Quote:
Originally Posted by Notes View Post
They were just about all my 1/4” ratchet could handle. ;=)
Quarter inch. LOL!

Jk,

-klb
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67 C10 fleet fuel injected '70 402, 700r4, 3.73 posi
07 335 sport turbo 6sp
94 Trans Am GT LT1 6sp posi -- sold after 22yrs
99 540 sport V8 6sp -- sold
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Old 10-22-2017, 03:18 PM   #7
Mike harris
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Re: Helper/Overload Springs

I did a 4 inch drop on rear and left the springs on, rides a bit harsh on the rear because they're always engaged with the trailing arms and I never carry anything in back. But I've left them because it's it sits perfect with 2 1/2 drop spindles on the front
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Old 10-22-2017, 03:20 PM   #8
Mike harris
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Re: Helper/Overload Springs

Had to replace the bolts as had to cut them off when I sanded the frame
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