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03-24-2010, 03:14 PM
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#1 |
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Getting Wild
Join Date: Mar 2010
Location: Royal Palm Beach, Florida
Posts: 84
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Rear Bouncing after Leaf Install
Hey guys. I need some help. I bought my cart already lifted. I decided to replace the single rear leaf springs with new heavy duty 3 leaf springs. The install went well but now the rear of the car bounces up and down while driving. Everything is all tight and done correct. Do I need new shocks also? what could cause the rear to bouce around? Thank you for the help.
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03-24-2010, 03:15 PM
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#2 |
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Stay thirsty my friends!
 Join Date: Jan 2007
Location: Suburban Chicago
Posts: 24,286
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Re: Rear Bouncing after Leaf Install
What air pressure are you running in those big meats?
Oh, and Welcome to BGW! |
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03-24-2010, 03:29 PM
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#3 |
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Gone Wild
Join Date: Apr 2008
Location: Wichita, KS
Posts: 1,530
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Re: Rear Bouncing after Leaf Install
Welcome!
I think your bouncing comes from the 8" rims and big tires. I had a set similar to that and they bounced too. I went to a 10" rim and 6 ply 23x10 tires. Fixed it right up.  |
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03-24-2010, 03:29 PM
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#4 |
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Getting Wild
Join Date: Mar 2010
Location: Royal Palm Beach, Florida
Posts: 84
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Re: Rear Bouncing after Leaf Install
Thank you. I have tested several since the hopping started. I have gone all the way from 60 PSI in all four down to 30 PSI with no change in the bounce. I am thinking my shocks are either close to maxed out or they are just old and crappy. Still not sure though.
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03-24-2010, 03:30 PM
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#5 | |
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Getting Wild
Join Date: Mar 2010
Location: Royal Palm Beach, Florida
Posts: 84
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Re: Rear Bouncing after Leaf Install
Quote:
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03-24-2010, 05:09 PM
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#6 |
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Gone Wild
Join Date: Apr 2008
Location: Wichita, KS
Posts: 1,530
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Re: Rear Bouncing after Leaf Install
How about your shocks? Are they in good shape?
I don't know what kind of tires you are running but 30-60 lbs. sounds like way to much. My old tires and new ones only run 8-10 lbs. |
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03-24-2010, 07:56 PM
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#7 | |
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Gone Wild
Join Date: Feb 2008
Location: Brooklyn, Michigan "Home of M.I.S."
Posts: 3,666
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Re: Rear Bouncing after Leaf Install
Quote:
WAY!! to much air, most of these tires are marked on the side wall 15 max, I run 5 in front 8 in back. |
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03-25-2010, 03:50 AM
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#8 |
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Getting Wild
Join Date: Mar 2010
Location: Royal Palm Beach, Florida
Posts: 84
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Re: Rear Bouncing after Leaf Install
Prior to the leaf spring install, I was running 60 PSI in all four tires (for speed and less battery wear) with no problem. No bounce or issues then. I am just try to figure out why adding two extra leafs would cause this. My shocks are old and may need to be replaced. I was hoping for a definite answer on here first though before I went and bought new ones. I am new to this forum, maybe some one can direct me to a sponsor that I can buy from?
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03-25-2010, 07:35 AM
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#9 |
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Gone Wild
Join Date: Jul 2009
Location: Saginaw, MI
Posts: 167
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Re: Rear Bouncing after Leaf Install
Your old single leaf springs were probably soaking up the bounce so you didn't notice it. Now you have brand new, stiff 3 leaf springs and there isn't much give there without a lot of weight. Plus, smaller rims and big tires have a lot more sidewall causing more bounce.
I'm running 6 lbs in my tires. |
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03-25-2010, 08:15 AM
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#10 | |
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Gone Wild
Join Date: Feb 2008
Location: Brooklyn, Michigan "Home of M.I.S."
Posts: 3,666
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Re: Rear Bouncing after Leaf Install
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