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Author Topic: how much lift  (Read 4888 times)

Offline Rockin77

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how much lift
« on: March 16, 2008, 01:44:02 am »
how much lift will a HD spring give me on my 3/4 ton 350 truck
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1977 GMC High Sierra 25

Offline VileZambonie

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Re: how much lift
« Reply #1 on: March 16, 2008, 07:37:53 am »
 ??? Are you talking leaves or coils?
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline Rockin77

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Re: how much lift
« Reply #2 on: March 16, 2008, 01:09:05 pm »
Sorry i ment the coils
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1977 GMC High Sierra 25

Offline 76 k10

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Re: how much lift
« Reply #3 on: March 21, 2008, 09:54:52 pm »
it will give you about a inch or two
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Offline Rockin77

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Re: how much lift
« Reply #4 on: March 28, 2008, 01:10:16 am »
Are HD coils the same as big block or 454 coils??
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Offline 76 k10

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Re: how much lift
« Reply #5 on: April 07, 2008, 04:47:41 pm »
no there diffrent
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Offline Rockin77

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Re: how much lift
« Reply #6 on: April 07, 2008, 11:27:06 pm »
What is the difference??
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Offline VileZambonie

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Re: how much lift
« Reply #7 on: April 08, 2008, 07:42:31 am »
Any given spring can have a different spring rate and load capacity.

Some springs are constant rate meaning if you add 400lbs the spring will compress 1" another 400lbs will ompress it another inch.

A progressive rate spring ex. 400lbs compress it 1" another 600lbs compress it another 1" another 800lbs will compress it one more inch.

For OEM I believe the Big Block spring is the same as the heavy duty spring...
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,                           ___ 
                         /  _ _ _\_
              ⌠ŻŻŻŻŻ'   [☼===☼]
              `()_);-;()_)--o--)_)

74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10
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