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stock leaf spring talk

06 H3

a.k.a. "The Jackal"
Messages
9,506
Location
Meridian, ID
I was trying to avoid making a new thread but couldnt find an existing thread to post my findings. The H3 springs flex so damn well! In stock form they do great and in spring over form they do even better IMO. Kyle disconnected his rear sway bar and went up to "flex hill" by my house and I noticed bone stock setups with the sway bar disconnected throw the leaf into negative arch. I thought this was a spring over only thing. Next I will test if it will go into negative arch with the sway bar hooked back up. Just posting my findings as there is a long debate on whether or not negative arching a spring is bad or not. I have seen posts from jeepers with leafs that run flat springs and go into negative arch for 15+ years of hard wheeling with no issue and have seen stock tacomas with worn out springs go into negative arch at ride height with no load in the bed.

Then others have blamed negative arch for breaking the main spring and loss of memory in the spring. Either way I just found it interesting as I thought this was a spring over thing not stock. I will post up again when we go to flex hill with the sway bar hooked up. IF it does go into negative arch with the sway bar hooked up I almost want to say its ok as the spring was designed to handle that. If not then GM didnt intend to do that. All springs are different and after talking with a guy whos been in the offroad world for over 25 years he has seen many leaf springs set up completely flat that are designed to run either direction.
 
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