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73-87 Chevy _ GMC Trucks => Brakes, Frame, Steering & Suspension => The Highs (Raising/Lifts) => Topic started by: Rockin77 on March 16, 2008, 01:44:02 am

Title: how much lift
Post by: Rockin77 on March 16, 2008, 01:44:02 am

how much lift will a HD spring give me on my 3/4 ton 350 truck

Title: Re: how much lift
Post by: VileZambonie on March 16, 2008, 07:37:53 am

 ??? Are you talking leaves or coils?

Title: Re: how much lift
Post by: Rockin77 on March 16, 2008, 01:09:05 pm

Sorry i ment the coils

Title: Re: how much lift
Post by: 76 k10 on March 21, 2008, 09:54:52 pm

it will give you about a inch or two

Title: Re: how much lift
Post by: Rockin77 on March 28, 2008, 01:10:16 am

Are HD coils the same as big block or 454 coils??

Title: Re: how much lift
Post by: 76 k10 on April 07, 2008, 04:47:41 pm

no there diffrent

Title: Re: how much lift
Post by: Rockin77 on April 07, 2008, 11:27:06 pm

What is the difference??

Title: Re: how much lift
Post by: VileZambonie 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...