Author Topic: 86 long bed, 2 inch shackles hitting bed!!!! what the heck did I do?????????  (Read 5374 times)

Offline chippy

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First post!!!! Hello all..
I have an 86 long bed 2WD. I simply wanted to lower the rear 2 inches to level her out. The swap went fine, but when I took her off the jacks the new shackles rest on the bed.
Talk about disappointed  in my skills.. Here is a picture of the finished product.  I looked close at the new ones and it didnt appear to be a front or back, no significant bend or bow in the shackle so I dont think they are on backwards. 
Any help will be appreciated. Chip

Offline blueboy86

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I have read on this before but not 100% sure. You are going to have to c notch the bed support it is hitting. Hand grinder with cutting wheel should do it.

Offline FlatBlack77

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ive always read the same thing. there needs to be a small notch in the bed supports
"When you are a hammer, everything looks like a nail"
'77 C/10 - 350/350 mild street motor

Offline blueboy86

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Here's a picture I found.

Offline VileZambonie

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What length spring do you have? The shackle should be behind the wheel house
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline chippy

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How do I measure the springs? 

Offline 78BIG-TEN

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I had the same problem with those on my 78.I didn't want to notch the bed so I used the lower hole on the shackle and cleanced it for the spring,then cut the top off the shackle .But youl raise it up about a half inch or so

Offline VileZambonie

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,                           ___ 
                         /  _ _ _\_
              ⌠ŻŻŻŻŻ'   [☼===☼]
              `()_);-;()_)--o--)_)

74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline MaxmillianS

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On my 80 short bed i had to notch out the bed as well, it said in the instructions for the kit I bought.