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Old 06-16-2012, 08:51 AM   #1
jackson
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spring rate

what lb rear coilover spring are you guys using on your ad trucks
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Old 06-16-2012, 09:23 AM   #2
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Re: spring rate

I had a hard time getting an answer on that. I am starting with 250 pounds per inch on my 52 GMC. I am going to run a gas tank in back sooo we will see. I should have all the parts made in the next two weeks.
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Old 06-16-2012, 10:50 AM   #3
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Re: spring rate

My shocks from Aldan/Flat-out just came, and looks like 450's for the rears. Unless they had a mix up. They were dropped shipped. I went with the 'recommendation.'

I've pinged Don at Flat-out for clarification just in case. I'll post back what I hear.
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Old 06-16-2012, 03:23 PM   #4
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Re: spring rate

wow 2 X 450 that's 900 pounds per inch! sounds stiff even for the front.
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Old 06-16-2012, 07:11 PM   #5
booger1949
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Re: spring rate

i was told to run 200 in my ad unless i was gonna haul somethin an if i was i was told to use 250
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Old 06-16-2012, 07:16 PM   #6
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Re: spring rate

Quote:
Originally Posted by booger1949 View Post
i was told to run 200 in my ad unless i was gonna haul somethin an if i was i was told to use 250
i was told the same thing by fab quest
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Old 06-16-2012, 09:28 PM   #7
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Re: spring rate

that sounds more like it! Then maybe I will be ok with the extra wieght of the gas tank behind the rear end.
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Old 06-17-2012, 12:37 AM   #8
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Re: spring rate

Indeed, something seems 'off' Aldan's site lists much lower rates for street rods and such.
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Old 06-18-2012, 01:24 PM   #9
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Re: spring rate

I am running 250 lb in the rear of a 59 with fleetside bed, steel floor and rear tank. They ride very nice. Not an AD but probably similar in weight
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Old 06-18-2012, 08:31 PM   #10
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Re: spring rate

Quote:
Originally Posted by buggy5872 View Post
I am running 250 lb in the rear of a 59 with fleetside bed, steel floor and rear tank. They ride very nice. Not an AD but probably similar in weight
Thanks buggy.
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