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04-30-2018, 01:39 PM
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#1 |
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Registered User
Join Date: Apr 2018
Location: Seattle, WA
Posts: 4
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rear coil springs
I'm wanting to go a little lower on my 70 C10 trucks rear and I'm wondering about my current springs and if there's a way to tell wether they are aftermarket drop springs, or springs that have been cut or heated to accomplish the current drop.
I've attached a pic of the drivers side spring. Let me know what your thoughts are. |
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04-30-2018, 02:02 PM
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#2 |
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Registered User
Join Date: Jul 2015
Location: Sedalia Mo.
Posts: 1,131
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Re: rear coil springs
Those sure look like they have been heated and dropped. Not that I am an expert or anywhere close. I have not seen any coils springs that were OLD and well used that looked all squashed down like yours. My bet is they have been torched.
And welcome to the club!
__________________
He who is without oil shall throw the first rod. Compressions 8.7:1 1972 C10 1976 C10 (parts truck) 1985 K20 |
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04-30-2018, 02:06 PM
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#3 |
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Registered User
Join Date: Aug 2016
Location: Lake Forest, CA
Posts: 2,178
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Re: rear coil springs
I'd get new 3" drop springs and some 2" blocks.
__________________
"Work hard, use your vacation days." 1970 C15 GMC Long Bed 1986 C20 Scottsdale 1983 K2500 Sierra Classic Suburban 6.2 Instagram: C10sofOC |
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04-30-2018, 02:09 PM
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#4 |
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Registered User
Join Date: Jun 2014
Location: Mocksville, NC
Posts: 1,766
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Re: rear coil springs
When I bought my '68 it had heated original springs in it and they looked exactly like that. I pulled them out and replaced them with some 5" CPP springs. The additional drop after the CPP springs was 2", so my heated springs amounted to about a 3" drop.
__________________
Builds: Green Gus the 68 C10 | Bluey the 72 1500 | Lowly the 70 C10 - Instagram: @dr.hewitt - C10 Concept/Development Photos: Master Thread |
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04-30-2018, 02:10 PM
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#5 |
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Registered User
Join Date: Nov 2011
Location: Williamsburg, VA
Posts: 960
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Re: rear coil springs
I agree with sick472chevy. Those have been heated. How much is your front end dropped? That’s how I would calculate what rear springs to buy. So if your dropped 4” up front, drop 6” I. The rear. You can do it with springs alone or springs and blocks. I went springs and blocks so the shock angle wouldn’t be as severe. Also make sure you do a shock relocation kit. That will also help with the correct shock angle. If your shocks are angled too much, they will not do their job.
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