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Old 09-20-2022, 01:54 PM   #1
birdistheword
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Re: 52 inch springs

So I'm towards the end of doing the 52"/56" spring swap on my truck. Definitely wasn't fun knocking out all the rivets. The only issues I ran into was having to grind down the lower inner frame rail where the shackle was rubbing, having to make some body mount shims to get the body lined up, and probably going to have to get some pinion angle shims made. I'm using the DIY4X b52 kit, a newish set of 52" rear springs with the bottom thick leaf off, and 6" shackles up front. The rear is a used set of 56" springs, 6" shackles, and ORD shackle flip kit mounted 4" to the rear of the stock position.
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1969 Chevy K20 6.0L/4L80E/NP205
1971 Chevy C30 Cheyenne Longhorn 454/TH400
1979 Chevy K30 dually currently in pieces
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Old 09-20-2022, 02:21 PM   #2
CG
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Re: 52 inch springs

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Originally Posted by birdistheword View Post
So I'm towards the end of doing the 52"/56" spring swap on my truck. Definitely wasn't fun knocking out all the rivets. The only issues I ran into was having to grind down the lower inner frame rail where the shackle was rubbing, having to make some body mount shims to get the body lined up, and probably going to have to get some pinion angle shims made. I'm using the DIY4X b52 kit, a newish set of 52" rear springs with the bottom thick leaf off, and 6" shackles up front. The rear is a used set of 56" springs, 6" shackles, and ORD shackle flip kit mounted 4" to the rear of the stock position.
You look to be working in a tight space! I would love to see a bunch of pics if you documented everything you did. Going to be nice!
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Old 09-20-2022, 05:45 PM   #3
birdistheword
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Re: 52 inch springs

CG,
Yeah it's tight in a deep one car garage but I make it work. I didn't really take many pictures along the way because of that. I'm just down in Tacoma if you find yourself down in the area and want to check it out.
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1969 Chevy K20 6.0L/4L80E/NP205
1971 Chevy C30 Cheyenne Longhorn 454/TH400
1979 Chevy K30 dually currently in pieces
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