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Unread 04-11-2005, 01:34 PM   #1
4bangerYJ
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Join Date: Aug 2003
Location: Ventura county Ca.
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Spring rate for RE 4.5 XD

If you are running the RE 4.5 XD springs can you tell me what the spring rates are front and rear. If you don't know use the following link.
http://www.therangerstation.com/tech...springrate.htm
With a few measurments it takes just a couple of minutes. Measure at ride height.

Thanks!

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Unread 04-11-2005, 08:04 PM   #2
PhilipJ
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1999 XJ Cherokee 
 
Join Date: Feb 2004
Location: Oak Harbor, WA
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This is what I got:

Front: 147.17 lbs-in (.25"H x 2.5"W x 48"L x 5 leaf)
Rear: 176.61 lbs-in (.25"H x 2.5"W x 48"L x 6 leaf)

Keep in mind these leaves have military wraps, bolted spring clamps and teflon pads which probably aren't factored into the calculator.
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Unread 04-12-2005, 12:05 PM   #3
4bangerYJ
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Thanks! Is that 48 inch measured from the center of the hole on each end of the spring? Like where the bolt goes thru to hold it to the shackle and the spring mount on the rear of the spring.
I am just gathering info, Thanks!
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Unread 04-12-2005, 06:19 PM   #4
PhilipJ
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48" was the best guesstimate I could make using a metal tape under the vehicle while trying to hold it and keep it from bending. Kinda hard to measure those things when they're already installed. I measured from end to end, so eye to eye would actually be a little less.
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Unread 04-12-2005, 07:46 PM   #5
4bangerYJ
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Cool thanks. I thought 48 was a bit long.
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