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08-02-2020, 02:18 PM | #1 |
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Location: Scottsdale Arizona
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77 K10 - rear leaf spring shackle
Does anybody know where to find a set of rear leaf spring shackles that aren’t for lifting/lowering, and that don’t already have bushings installed? I bent mine pretty good trying to hammer the bushing sleeve out of it this morning, and I already have a brand new set of red poly bushings so I don’t want the Dorman set that have rubber in them. I’ve checked Jegs and Summit already
Edit - I found these on ORD website. Doesn’t anyone know if they should work? https://www.offroaddesign.com/catalo.../category/653/ Last edited by Dleslie212; 08-02-2020 at 04:02 PM. |
08-02-2020, 04:28 PM | #2 |
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Re: 77 K10 - rear leaf spring shackle
Yes they will work, I used them on my 1978 Camper Special, heavy duty compared to the stock ones.
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08-02-2020, 04:32 PM | #3 |
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Re: 77 K10 - rear leaf spring shackle
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08-02-2020, 06:07 PM | #4 |
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Re: 77 K10 - rear leaf spring shackle
ord is a SUPER company . what you see in the pic is what you get . note the description says PAIR
those will be just fine and a solid upgrade over the tin stamped stockers . all the years i have been buying from them i should have stock options in the company .
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77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
08-02-2020, 08:51 PM | #5 | |
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Re: 77 K10 - rear leaf spring shackle
Quote:
Totally missed the word PAIR. Thanks |
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08-02-2020, 09:43 PM | #6 |
At the body shop.
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Re: 77 K10 - rear leaf spring shackle
Their steering box brace is a nice way to tighten up the front end too.
Made a big difference on my C10
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" That didnt make it any newer " " Dont antique the equipment " |
08-10-2020, 04:49 PM | #7 |
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Re: 77 K10 - rear leaf spring shackle
The new shackles just came in the mail today. Where the end of the shackle slips over the end of the leaf spring, there's about a 1/4" gap on either side, like the shackle is too wide. The new poly bushings don't make contact with the inside of the shackle. How big of a problem is this? Should I get a different shackle? I spent 70 bucks on these after shipping, I'd rather not just trash them
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08-10-2020, 09:30 PM | #8 |
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Re: 77 K10 - rear leaf spring shackle
I’m wondering if I can use washers between the inside of the shackle and outside of the poly bushing on both sides to make up the difference? Pretty much using washers linke shims?
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08-11-2020, 09:14 AM | #9 |
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Re: 77 K10 - rear leaf spring shackle
That's the only thing I can think of. Why not call ORD and ask them why they are wider and what other people do with them. good luck
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08-11-2020, 10:31 AM | #10 |
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Re: 77 K10 - rear leaf spring shackle
I looked at my 75 C10 and 84 CUCV/K30 and both have similar gaps in the rear shackle where the spring fits. The gaps between the bushings and shackle is fairly small but there is light on both ends. There is more gap between the spring and shackle.
Could be a design feature to allow the springs to not bind when the frame flexes. I will try to post up a pic later. It is raining here now. |
08-11-2020, 10:54 AM | #11 | |
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Re: 77 K10 - rear leaf spring shackle
Quote:
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08-11-2020, 01:17 PM | #12 |
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Re: 77 K10 - rear leaf spring shackle
Here are a couple of pics of the CUCV shackle. The gaps on the C10 rear shackles were similar.
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08-11-2020, 01:32 PM | #13 | |
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Re: 77 K10 - rear leaf spring shackle
Quote:
It looks like your bushings are at least touching the inside of the shackle there. Mine are still a 1/4" gap on either side, where all you would see is the bolt coming thru |
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08-11-2020, 01:49 PM | #14 |
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Re: 77 K10 - rear leaf spring shackle
I put a new lift kit on my 72 blazer used the poly bushing that came with the kit. Drove like a dog. Finally figured out the poly bushing in the the shackle are not biting into the shackle like the oem ones do. if you stand on the rear bumper and jump up and you can see the shackle move. This is allowing the rear end and spring to move when I apply the brakes or turn. Have an old oem set that I will switch back to
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08-11-2020, 04:00 PM | #15 |
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Re: 77 K10 - rear leaf spring shackle
If your spring to shackle gap is similar to the picts, you probably have a good set of shackles. Might give the vendor a call on the bushings and verify how much gap there should be between the bushings and shackles. Possible some shipping person grabbed the wrong set of bushings when packing your box. (Or a stock person miss binned the bushings when they came in from the factory).
The bushings in my pic are most likely the factory original set. |
08-11-2020, 07:06 PM | #16 |
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Re: 77 K10 - rear leaf spring shackle
I went ahead and drilled the holes in the shackle to allow for the 9/16" bolt and then put two 1 1/2" diameter grade 8 washers on either side of the bushing. I guess we'll see how it goes when I finally finish the differential and drop it back down.
Last edited by Dleslie212; 08-12-2020 at 08:32 AM. Reason: Typo |
08-12-2020, 08:27 AM | #17 |
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Re: 77 K10 - rear leaf spring shackle
The factory ones when new the metal sleeve stuck out just past the rubber and had a sawtooth pattern on the end. my guess to grab onto the shackle.
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