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01-15-2014, 12:03 AM | #1 |
Roto Reuter thats the name...
Join Date: Feb 2010
Location: Darien, NY
Posts: 1,853
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What leaf spring hardware to use?
I'm replacing my front and rear leaf springs on my 70 K10 with a 2-1/2" Skyjacker lift and need to replace the spring bolts. I have new U-bolts with the kit, but I'll need new front and rear leaf spring bolts and shackle bolts. I'm wondering what to use for replacement hardware? Is the bolting that LMC sells anything special, or can I just buy grade-8 bolts at a hardware store? What have you guys used and what do you recommend? Thanks.
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~ Dan My 70 K10 SWB build:http://67-72chevytrucks.com/vboard/s...d.php?t=782232 My 71 SWB build:http://67-72chevytrucks.com/vboard/s...d.php?t=651394 1970 SWB Fleet K10 4X4, 5.3L LM7, 4L60E, Dakota Digital RTX, Vintage Air, Ididit tilt 1971 SWB Fleet C10 - Original SWB Arizona truck, new custom restoration project "Kick out your motor and drive while you're still alive - kick it out!" - Heart 1977 |
01-15-2014, 01:21 PM | #2 |
Roto Reuter thats the name...
Join Date: Feb 2010
Location: Darien, NY
Posts: 1,853
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Re: What leaf spring hardware to use?
Come on now, I know many of you have replaced leaf springs. What hardware did you guys use and where did you buy it? Did you buy the bolting from NAPA, LMC, online somewhere, a local spring shop? Any help is appreciated.
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~ Dan My 70 K10 SWB build:http://67-72chevytrucks.com/vboard/s...d.php?t=782232 My 71 SWB build:http://67-72chevytrucks.com/vboard/s...d.php?t=651394 1970 SWB Fleet K10 4X4, 5.3L LM7, 4L60E, Dakota Digital RTX, Vintage Air, Ididit tilt 1971 SWB Fleet C10 - Original SWB Arizona truck, new custom restoration project "Kick out your motor and drive while you're still alive - kick it out!" - Heart 1977 |
01-15-2014, 08:33 PM | #3 |
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Join Date: Jan 2010
Location: Hollidaysburg, PA
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Re: What leaf spring hardware to use?
grade 8 bolts, washers, lock washers and nuts and I used some Loctite.
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_________________________________ 62 Impala 70 C-10 LWB 71 K-10 SWB 85 C-10 LWB==SOLD 01 2500 HD Members Met......2003Silverado (Dave) |
01-15-2014, 10:23 PM | #4 |
Too many projects
Join Date: Mar 2004
Location: Fargo, ND land of the flat hills
Posts: 1,147
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Re: What leaf spring hardware to use?
Grade 8 bolt, lock washer, and jamnut from the local hardware store (they sell them by the pound). I ensure that the shoulder of the bolt is long enough to go through the entire bushing sleeve, even if I have to trim the overall length once installed.
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Andrew 84 GMC C1500 SWB 6.2 Diesel/700R4/3.42 "Grandpa's odd duck" |
01-15-2014, 10:29 PM | #5 |
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Join Date: Dec 2012
Location: Fort Thomas, KY
Posts: 300
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Re: What leaf spring hardware to use?
I found hardware at RockAuto and Husky Spring.
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1972 GMC 1500 Super Custom, 383 Stoker, TH350 Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=592157 Engine Thread http://67-72chevytrucks.com/vboard/s...d.php?t=592233 |
01-15-2014, 11:42 PM | #6 |
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Location: Modesto, CA
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Re: What leaf spring hardware to use?
Hi derotoreut! I went ahead and moved this to the Suspension forum for you. Good luck on your project
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2018 Chevy Crew Cab 2006 Impala SS 1965 Plymouth Sport Fury 1970 Chevy Longhorn
70 Longhorn CST Build Adding an AM/FM Decal |
01-15-2014, 11:49 PM | #7 |
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Join Date: Jul 2011
Location: WV
Posts: 946
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Re: What leaf spring hardware to use?
Grade 8 all the way. I would use the all steel locknuts (as opposed to the nylon insert locknuts) Little bit of locktite never hurt anything either!!
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72 GMC C2500 402/Th400 first truck (still have) 77 GMC C3500 CC dually Sold 70 C50 dump truck "Rusty" 87 K10 Suburban Sold 93 K2500 xcab 6.5TD 96 GMC K2500 Suburban 6.5 TD |
01-16-2014, 07:24 PM | #8 |
Roto Reuter thats the name...
Join Date: Feb 2010
Location: Darien, NY
Posts: 1,853
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Re: What leaf spring hardware to use?
I had to cut everything so I don't know sizes. Any ideas?
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~ Dan My 70 K10 SWB build:http://67-72chevytrucks.com/vboard/s...d.php?t=782232 My 71 SWB build:http://67-72chevytrucks.com/vboard/s...d.php?t=651394 1970 SWB Fleet K10 4X4, 5.3L LM7, 4L60E, Dakota Digital RTX, Vintage Air, Ididit tilt 1971 SWB Fleet C10 - Original SWB Arizona truck, new custom restoration project "Kick out your motor and drive while you're still alive - kick it out!" - Heart 1977 |
01-16-2014, 10:28 PM | #9 |
Registered User
Join Date: Dec 2012
Location: Fort Thomas, KY
Posts: 300
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Re: What leaf spring hardware to use?
Check out this website. http://www.huskyspring.com/
The listing has a couple of options. Call them, they are easy to deal with.
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1972 GMC 1500 Super Custom, 383 Stoker, TH350 Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=592157 Engine Thread http://67-72chevytrucks.com/vboard/s...d.php?t=592233 |
01-18-2014, 05:01 PM | #10 |
Roto Reuter thats the name...
Join Date: Feb 2010
Location: Darien, NY
Posts: 1,853
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Re: What leaf spring hardware to use?
It looks like mine are 9/16" by about 4-1/2" long. I heard that some could be 5/8" bolts. I think I'll do like Lowrollin70GMC says and get them from a local hardware store. A lot cheaper then buying them from LMC or spring company. Grade-8 too.
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~ Dan My 70 K10 SWB build:http://67-72chevytrucks.com/vboard/s...d.php?t=782232 My 71 SWB build:http://67-72chevytrucks.com/vboard/s...d.php?t=651394 1970 SWB Fleet K10 4X4, 5.3L LM7, 4L60E, Dakota Digital RTX, Vintage Air, Ididit tilt 1971 SWB Fleet C10 - Original SWB Arizona truck, new custom restoration project "Kick out your motor and drive while you're still alive - kick it out!" - Heart 1977 |
01-18-2014, 11:32 PM | #11 | |
Watch out for your cornhole !
Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Re: What leaf spring hardware to use?
Quote:
9/16 center bolts are not used on common light vehicle springs. The bolts you buy from a spring shop are fully threaded so they sell you the next longest bolt to what you need and you trim them shorter after installation. I just bought a pair at my local spring shop this week for 3 dollars each.
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01-19-2014, 12:00 PM | #12 |
Roto Reuter thats the name...
Join Date: Feb 2010
Location: Darien, NY
Posts: 1,853
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Re: What leaf spring hardware to use?
I am referring to the rear spring eye bolts and shackle bolts. So far this is what I've found:
http://www.sdtrucksprings.com/index....ducts_id=16134 http://www.autoandtrucksprings.com/p...-1442-211.html I just measured my new leaf spring eye bolt holes and it looks like 9/16"
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~ Dan My 70 K10 SWB build:http://67-72chevytrucks.com/vboard/s...d.php?t=782232 My 71 SWB build:http://67-72chevytrucks.com/vboard/s...d.php?t=651394 1970 SWB Fleet K10 4X4, 5.3L LM7, 4L60E, Dakota Digital RTX, Vintage Air, Ididit tilt 1971 SWB Fleet C10 - Original SWB Arizona truck, new custom restoration project "Kick out your motor and drive while you're still alive - kick it out!" - Heart 1977 |
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