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One Piece at a Time: My 1985 Diesel Suburban

Pardon my arrogance, when you cycle your suspension, are you supposed to also test droop on one side and compression on the other? Then switch sides.

Edit- what I mean is beside the up and down test. You also supposed test the (what is the word?) twist test?
 
Pardon my arrogance, when you cycle your suspension, are you supposed to also test droop on one side and compression on the other? Then switch sides.

Edit- what I mean is beside the up and down test. You also supposed test the (what is the word?) twist test?
You are right, and I did an early check of each of those - extension and compression each side. I just didn’t photograph it, and I’ll have to do it all over once I place the shocks and coils. This is enough testing for where I’m at in the process. I’ve got to get the overlays burned in so I can get the hoops and shocks mounted, and then I’ll have the parts in place to do the last rounds of cycling.

David
 
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Links and panhard are all burned in.

It took one hot root, two fill passes, and a cover. That really chews up the hours, but I enjoy the work.
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207BA785-82D9-4F81-AD4A-9A68E8650340.jpeg

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I picked up the 1-1/4-12 taps to clean up the threads.
793910F2-7BBD-4DBE-AD61-5B1AA2B04BDB.jpeg

My dad also pitched in and did the 1 ton hydro and master upgrade.
DCB13C77-5BF9-482D-8F59-B991B0BB1388.jpeg

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And before I shut it all down, I got the frame prepped for tomorrow’s repair.
141120EA-6A5B-4CF3-B209-968F61AF5DB7.jpeg

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David
 
What do you have the steering reservoir mounted to? I've been wanting to relocate mine; interested in ideas.
 
What do you have the steering reservoir mounted to? I've been wanting to relocate mine; interested in ideas.
I built a bracket off the intake manifold so the reservoir shakes on the engine just like the pump. I have half a though that it limits fatigue on the big -12 drain hose over the long term.

David
 
I built a bracket off the intake manifold so the reservoir shakes on the engine just like the pump. I have half a though that it limits fatigue on the big -12 drain hose over the long term.

David
That's actually why I'm wanting to relocate mine. Currently I have it mounted on the shock tower. I've been thinking it would be better mounted to the engine.
 
All the welding in the inserts means chasing the threads the next day. There were plenty of oxidized crusties.

1-1/4x12 is the tap size
CE3EF234-9E6C-4E05-BB2B-2B130762EC7B.jpeg

So fresh and clean
348E89F2-4ABD-4081-B759-35F66DB1DCF2.jpeg

I welded the frame cracks...
6A648245-E8A5-44C6-905C-1158D9259C19.jpeg

...burned in the pitman scallop...
0B6EA5BA-DBC0-431A-AD76-F439D314C04F.jpeg

AB264494-F490-4731-842D-2D713BEA10A6.jpeg

...and blended down the repair welds.
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Meanwhile, a friend of mine did the fine fitting on the overlays, and I got those tacked in.
2AB34CAF-C218-44B3-BE2E-8090D7C4F6AF.jpeg

1CB2BE79-D664-46DB-B8A5-96B7A47743D7.jpeg

There are a few small tweaks I’m making to the frame brace to accommodate this installation.
C1D96294-FF11-4E64-A84B-8B330F38051D.jpeg

Now, back to welding.

David
 
All the welding in the inserts means chasing the threads the next day. There were plenty of oxidized crusties.

1-1/4x12 is the tap size
View attachment 348297

So fresh and clean
View attachment 348298

I welded the frame cracks...
View attachment 348299

...burned in the pitman scallop...
View attachment 348300

View attachment 348301

...and blended down the repair welds.
View attachment 348302

Meanwhile, a friend of mine did the fine fitting on the overlays, and I got those tacked in.
View attachment 348303

View attachment 348304

There are a few small tweaks I’m making to the frame brace to accommodate this installation.
View attachment 348305

Now, back to welding.

David
Do you TIG all of that or use a MIG?
 
Whew! Lot of welds there. Did you and a piece of angle there to help hold the frame in line while you're welding?
 
Whew! Lot of welds there. Did you and a piece of angle there to help hold the frame in line while you're welding?
That’s just as a hand rest.

I’ve been aggressively spacing out the heat, because there’s no real way to hold the frame in place. All I can do is minimize, so I lay down spaced heat on one side, move to the other and do the same, and then take a long break so it cools completely.

That’s about 90 minutes in the morning, an hour over lunch, and 90 minutes in the evening. So far, it’s been 3.5 days.

David
 
David with all this work to the stock frame. Would it have been better to just replace it ? Maybe ?
It would be a lot of fun to design a new 4x2 frame, and I have thought about it as a longer term project, but that’s a good bit more time required than these overlays. I’ll probably have these done at 30 hours.
I’m keenly aware. I’ll be there, truck or no. I’ve already jettisoned the rear suspension from the BB20 to do list.

David
 
It would be a lot of fun to design a new 4x2 frame, and I have thought about it as a longer term project, but that’s a good bit more time required than these overlays. I’ll probably have these done at 30 hours.

I’m keenly aware. I’ll be there, truck or no. I’ve already jettisoned the rear suspension from the BB20 to do list.

David
Ah, you’ll be done in time, just giving you a razzing
:pimp:
 

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