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Old 03-28-2009, 09:08 AM   #1
BATurbo
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Coil Spring Rate Info

Has anyone measured or know what the stock springs rates on the rear coils of a 70' C-10 are? I'm looking for replacements and I see variable rate springs and "Heavy Duty" springs available from various companies. I'd like to do some comparisons prior to purchasing a set. (If you happen to have info on the front coils, that wouldn't hurt either). Any info would be appreciated.
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Old 03-29-2009, 11:53 AM   #2
N2TRUX
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Re: Coil Spring Rate Info

Anyone?
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Old 04-16-2009, 10:40 PM   #3
BATurbo
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Re: Coil Spring Rate Info

I did find out some info on the stock springs for a 70 swb 1/2 ton with the coil spring rear suspension. I talked with the guys at Eaton Detroit Spring and they filled me in that the stock spring rate is 382 lbs and the free length of the springs are 13.19 inches. (If anyone wanted to know).
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Old 04-17-2009, 10:23 AM   #4
Custom 68
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Re: Coil Spring Rate Info

thanks for the info.
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Dave
1968 Custom Chevy with turbo charged 5.3 gen III 4l80e swap
1967-71 GMC 3/4 ton long step 4x4 (not sure what year exactly?)
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"If it doesn't fit force it...If it breaks then it needed to be replaced anyway!"
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Old 04-27-2009, 01:59 PM   #5
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Re: Coil Spring Rate Info

back to the top again do you by chance have the info on the front springs?
I have seen some postings but have not found them as of yet? Maybe in the racing section...
dave
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1968 Custom Chevy with turbo charged 5.3 gen III 4l80e swap
1967-71 GMC 3/4 ton long step 4x4 (not sure what year exactly?)
"A good friend will bail you out of jail...but a true friend will be sitting next to you saying "that was frekin awesome".
"If it doesn't fit force it...If it breaks then it needed to be replaced anyway!"
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Old 04-28-2009, 01:13 AM   #6
BATurbo
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Re: Coil Spring Rate Info

I haven't been back in touch with the guys at Detroit Spring yet. Still on the "to-do" list. Once I do I'll post it.
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Old 04-28-2009, 10:27 AM   #7
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Re: Coil Spring Rate Info

No biggie, I am contemplating a swap to coilovers and didnt know where the rates were as a starting point. Probably not even the same to start with?
Thanks
Dave
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1968 Custom Chevy with turbo charged 5.3 gen III 4l80e swap
1967-71 GMC 3/4 ton long step 4x4 (not sure what year exactly?)
"A good friend will bail you out of jail...but a true friend will be sitting next to you saying "that was frekin awesome".
"If it doesn't fit force it...If it breaks then it needed to be replaced anyway!"
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