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  #1  
Old 07-06-2010, 01:29 PM
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07 OEM Rear Spring Specs?

I am going to be pulling a heavy trailer across country and need to add some load leveling airbags in my rear springs. Does anyone know what the diff is between the reg GC rear springs and the SRT8 rear springs? Or if someone has a set laying around, I could use the measurements from inside side to side and inside the top and bottom small coil. Thanks.
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Old 07-06-2010, 01:42 PM
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Re: 07 OEM Rear Spring Specs?

i just recently removed my 07 factory towing rear springs.

many on here swap in srt springs, i used H&R.

all spring mounts or cups are exactly the same.

http://jeepgarage.org/showpost.php?p...&postcount=189

so what exactly needs measuring.
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Old 07-06-2010, 02:41 PM
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Re: 07 OEM Rear Spring Specs?

My stock '08 Limited spring specs:

Wire dia: .600"
Free height: 12.875"
# of coils: ~5.75
Large dia (outside): 675"
Small dia (outside): 4.75"
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Old 07-06-2010, 06:21 PM
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Re: 07 OEM Rear Spring Specs?

all I know is an SRT can tow 3500 lbs.. and a regular CRD WK can tow 7200 lbs. I dunno if that has to do with the rear springs, the tranny or what. I talked with Scott a lot about that and he said guys with SRT's use a class 3 or 4 hitch and had load levelling stuff on the hitches... (trailer needs to be an "A" frame tongue though) Having read up on that, it seems to be able to transfer some of the trailer load to the front axle.

http://www.ehow.com/how_2094696_setu...ing-hitch.html
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Old 07-06-2010, 06:28 PM
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Re: 07 OEM Rear Spring Specs?

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Old 07-07-2010, 07:37 AM
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Re: 07 OEM Rear Spring Specs?

Thanks everyone. I need exactly what Burntpiston gave me, except for SRT8 springs. Also thanks for the load level instructions, as I will also be using that system. I need the measurements to match the closest kit as pictured. This should save my rear suspension from any excessive wear during the tow.
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