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Old 02-23-2013, 04:18 AM   #1
wraprail
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85 C10 4 Link 9inch Z Frame Air T56 Build

Figured was about time I started a build thread before i'm finished. It's an 85 C10 I have had for a while. Was a long bed I shortened about 6 months ago. Been collecting parts for a couple years.
I will bring this up to current state quickly with alot of pictures. I work on it every day so progress has been very fast. Been 3 weeks since tear down and work started.
Heree we go...


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Old 02-23-2013, 04:25 AM   #2
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

Heres where I started this time...
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Old 02-23-2013, 04:35 AM   #3
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build



Fast forward to teardown complete. I don't have a frame table or jig so my garage floor will have to do. I welded stands onto my frame (at my projected ride hight) in 8 places, made the four front stands adjustable and painted around each one a mark on my garage floor so future measurments will be from same place.


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Old 02-23-2013, 04:48 AM   #4
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

I made my frame cuts for my Z at a 20 degree angle. I figured that a 2 1/2 inch Z at 20 degrees will move the front wheels (and everything else) forward just a hair less than an inch. Also I figured it would be a stronger connection. I laid out my cuts and tacked a fence for my saw so I would have a perfectly straight cut that would need no grinding. My thinking was it would be alot easier to line up the two pieces and I was right. Piece of cake.




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Old 02-23-2013, 05:02 AM   #5
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

OK here you can see why I made the front frame "legs" or stands adjustable. They are 1 1/2 tubing with 1" pipe inside. The pipe is a very tight fit but will slide. There is a set scr
ew with 2 holes. One at ride hight and one 2 1/2 inches higher.. After cutting the frame I just removed the screw, lowered the legs and reinstalled the set screw. Now the front half is right where I needed it to weld. Wprked perfectly.

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Old 02-23-2013, 06:12 AM   #6
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build



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Old 02-23-2013, 06:16 AM   #7
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build




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Old 02-23-2013, 06:20 AM   #8
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

I plated the inside of the frame on both sides then half ground my ugly ass welds on the outside.

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Old 02-23-2013, 06:32 AM   #9
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

On the front I did the same 20 degree angle cut only backwards this time. I could have just made a straight cut and removed the inch (or whatever I gained on the first cut) but I thought doing the same angle was best.. First reason was that I am not sure exactly how much wheelbase I added. I know it's less than an inch (I hope) but do not know exactly. Second reason I did not make a straight cut here was I wanted to keep the 2 bumper bolt holes intact. That way everything would line up and bolt back on. If I cut straaight and removed an inch the bumper bolt holes would go away. I cut just past the steering box mounting holes and the same place on other side.








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Old 02-23-2013, 09:17 AM   #10
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

Looks awsome. I'm tuning in for the rest!
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Old 02-23-2013, 12:36 PM   #11
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

nice work bro Z looks good.....
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Old 02-24-2013, 06:01 AM   #12
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

Thanks...

So as you can see I used 2 inch X 1/4 flat bar to tie the frontr frame horns together and tied that into the factory front crossmember.
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Old 02-24-2013, 09:36 AM   #13
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

So I already had the step notch in back. Started the 4 link.





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Old 02-24-2013, 09:40 AM   #14
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

im not much into lowered stuff, but i really like the creativity of that frame fabrication/modification! very nice job!
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Old 02-24-2013, 09:44 AM   #15
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

Bag mounts, shock mounts






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Old 02-24-2013, 09:57 AM   #16
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

Add a little paint.





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Old 02-24-2013, 10:02 AM   #17
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

Dakota Digital SEN-201 height sensors for DHC-2000







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Old 02-24-2013, 10:20 AM   #18
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

9 inch is from a 79 Lincoln mark 5, has single piston floating brake calipers and 3.70 r&p
Moved the battery and air tank behind the axle.





Heres my water trap .......


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Old 02-24-2013, 10:24 AM   #19
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

And my Acuair valves with Dakota Digital pressure senders.



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Old 02-24-2013, 10:36 AM   #20
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

Had to cut the crossmember so I figured it was a good place for a driveshaft loop.








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Old 02-24-2013, 11:13 AM   #21
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

lots of progress man.... keep up the good work...
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Old 02-24-2013, 03:08 PM   #22
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

Looks great & very well documented for the rest of us to learn from!!

I'm guessing you might have done this before....
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Old 02-24-2013, 08:05 PM   #23
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

Thanks. Never done this before but been thinking about it for a long time.
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Old 02-24-2013, 08:16 PM   #24
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

Tank drain and blow off valve
Combo

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Old 02-24-2013, 08:53 PM   #25
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Re: 85 C10 4 Link 9inch Z Frame Air T56 Build

looks sick dude
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