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The Great Smaug

You don't have to have the outer snap ring. I prefer to have it, but there are lots of rigs out there with out it.

Why not try to find a used Banks setup instead of a 6.5 setup, and then you could keep your AC?

Martin
 
Extra free time in the last few weeks has allowed several projects to get done on the suburban. So this thread is being transformed into an official build thread.

The Great Smaug was purchased to fulfill several roles:

1.) Move people (our pair of trucks has been decidedly lacking in this area)
2.) Accommodate longish road trips (Mileage being a large factor)
3.) Provide a shelter for primitive camping
4.) Provide moderate off-road capabilities to accommodate primitive camping in fun locations. :)

At the end of the day, we'd like to have something we can cheaply drive to the Rockies, pull off the road, and camp out in the middle of the high desert. Or some other fun place. Campgrounds just aren't fun when they get full. But much more emphasis will be placed on daily drive-ability than the few off-road miles it's ever going to see. Also, being an expedition rig, I want all parts to be both rugged and cheaply available at any Autozone in the remotest parts of the country, as far as possible. So crucial hardware (drivetrain, suspension, engine, etc) will mostly be creative arrangements of stock parts. Non-essential parts have no such restraints.

With these goals in mind, I have been collecting parts and ideas to get the truck better equipped (Props to CK5 for providing many of the ideas). The truck came with a good set of traits for an expedition rig. It already seats 9 between the 3 bench seats. My other 6.2 averages about 24MPG on the road when lightly loaded (hoping to get something similar here). The original 31" tires are a nice step up from the 29" tires that Blue has. And, with two cross-state trips under its belt, I'm getting to know the truck's issues (no huge ones yet).

Modifications I'm considering include (in no particular order):

1.) Manual transmission with at least 5 speeds. I'm not a fan of automatics. NV3500 is a possibility, but I'm leaning toward the NV4500.
2.) Increasing tire size to 33" (depending on how much suspension work is required).
3.) 2nd generation 14bff in the rear. Mostly because I think it's easier to service (and I've seen 2 10-bolt gov-lock axles fail).
4.) Adding matching 8-lug hubs to front 10-bolt (since Chevy doesn't offer a 6-lug ff axle).
5.) Swing-out spare tire & cargo rack behind the barn doors.
6.) Auxiliary heater to provide warm camping in cool weather.
7.) Adding 6.5TD turbo to the 6.2 engine


Additionally, if any of my diesels experience engine failure, I'd consider a 4BT swap for fun and mileage purposes. But I'm not particularly interested in ripping out a nicely running 6.2 at this time. :)

It's worth noting, for those just tuning in, that this is a vehicle I'm building with and for my wife. So some requirements, like "it must have running boards," are not originating from me. But it also means that she often helps out with the projects. So I'm teaching mechanical theory as much as I'm building. This is truly a team project.

So...Daily Driver/Expedition Rig or bust!

great to see another suburban expo rig build. you're definitely on the right track with your build plan. keep everything simple, OEM if possible. i built my truck out of as many GM and Napa parts as possible for the same reason you stated. if i need a fuel filter in Nephi, UT, i can get one. i wish i had gone shorter with a smaller tire, mine is still taller than i want it to be.
 
The hubs on my '82 K2500 are like the ones in the second picture--only the phillps screw holds that inner gear in place,my axles have no outer snap ring groove and evidently they dont need one..

You don't have to have the outer snap ring. I prefer to have it, but there are lots of rigs out there with out it.Martin

So...you have only the inner snapring? My problem is that I can only install the outer snapring (fitting into the ID of the hub). The inner snapring (on the axle shaft) is the part that I am unable to use at this point. :dunno:
 
That is what I was talking about. You HAVE to have the internal snap ring that snaps into the hub. It holds the lockout in place. The external snap ring on the end of the stub shaft is not critical.

Martin
 
^

What he said!...all mine has is the large ring that goes in the splined hub--none on the stub shaft..I guess the phillips head screw holds the gear in instead..
 
Why not try to find a used Banks setup instead of a 6.5 setup, and then you could keep your AC?

Martin

I may end up doing that. The draw to the 6.5 setup is that I happen to already have it. But I have 3 6.2 engines that all could use a little more air. So I may end up doing both eventually (both of the other two trucks don't have the A/C issue to deal with).

Mostly, the ideas listed above are simply that. I may or may not end up doing any of them. And at this point I am driving the truck regularly. So I am tackling short projects in order to keep the truck on the road.
 
That is what I was talking about. You HAVE to have the internal snap ring that snaps into the hub. It holds the lockout in place. The external snap ring on the end of the stub shaft is not critical.

Martin

Ok...I feel like I dodged a bullet on that one. Does anyone know why my '84 would have had the stub shaft snapring in the wrong place?
 
Updates...

Time to update this thread...

I completed the rear axle swap in the days following the front hub swap. Swap was almost uneventful. I learned (thankfully before finishing the job) to never use cheapie Autozone U-bolts (with short nuts :doah:). They stripped out before I even got them tight. :eek1:

Otherwise, the job went fairly smoothly. Spring/shock perch moving. Welding up the broken shock mount on the truck. Replacing all outer bearings/seals. New shocks. All new brake components. Thankfully the pinion yoke matched my original driveshaft U-joint. Backlash was well within spec, so I didn't touch the gears at all. And I installed zero-rates to help lift the saggy rear end up to a more healthy stance.

Prolly nothing new, given how many build threads are on this site.

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Afterwards...

Afterwards, the truck looked much healthier.

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Not too much drooping in the rear, even when loaded to the gills. And I found a set of Warn Premium lockouts for the front during one of my junk yard runs. So both axles were definitely improved compared to their original states.

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What may have been oddball in this swap is that I did it while the truck was loaded to the roof with boxes. My wife and I were in the process of moving, and used our period of homelessness (and joblessness) to get great things done (including these swaps). But, consequently, the truck was sitting on its overleaves both before and after the swap. And the truck didn't get many test miles before we finished moving to our new home (350 miles away). So, just like when I put Big Blue on the road, I was counting on a fairly untested truck making a long-haul trip. Definitely a good time to bring along the toolbox!

Pictures of the two trucks ready to roll out:

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Once again, in our efforts to squeeze every last drop of good times into our short period of homelessness, we scheduled our move to coincide with the Oshkosh Airshow (EAA Airventure) in late July. We drove up with several family members to make a weekend camping trip of it. :thumb:

As it was a convoy trip, I got some moving shots of the Suburban on the way up:

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These shots are all from the Peosta / Dubuque / Madison area (should bring a smile to the faces of Trea18 and Shady, if they read this).

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We arrived safely in Oshkosh and set up camp.

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Ahh, Oshkosh. One of the few places in the world where you can see this:

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and this:

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At the same time! :thumb:

If there's interest I can put up more pictures of the airplanes, pyrotechnics, etc. Maybe an Oshkosh thread?

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Trouble developed at the show, when I tried to move the Suburban and it would just barely crank. :thinking: It started fine while jumping, so I ended up replacing the alternator on the truck. In the campground. Fairly late in the evening (by flashlight). The truck fired up again and all was well. One of the neighbors even came over after I fired it up and said it sounded like a 6.2 engine. :)
 
But after the show we packed up our tent and headed North to our new location along the Wisconsin / Upper Michigan border. Pictures of trucks in their new home (after unloading):

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And once the load was removed I could see that the stance was quite a bit more even front-to-back.

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Once again, in our efforts to squeeze every last drop of good times into our short period of homelessness, we scheduled our move to coincide with the Oshkosh Airshow (EAA Airventure) in late July. We drove up with several family members to make a weekend camping trip of it. :thumb:

As it was a convoy trip, I got some moving shots of the Suburban on the way up:

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These shots are all from the Peosta / Dubuque / Madison area (should bring a smile to the faces of Trea18 and Shady, if they read this).

Very familiar :waytogo: What was the big fire ball from?
 
Very familiar :waytogo: What was the big fire ball from?

I figured you would recognize the area. I'm not sure how we never met up, given that we lived in the DBQ area for several years. One of those years we were renting a place just East of the ski slope. We still go down there periodically if you ever wanna meet up. We'll be down again next weekend, for example. :)


The big fireball was from the Oshkosh (Wisconsin) airshow in July. Lots of fun exhibits and airplane flying. And great fireworks! :thumb: I'm willing to post up more pictures if you wanna see more. :popcorn:

Or you could come next year... :thumb:
 
I've probably drove by your place plenty times. Did the truck in your avatar sit outside where I would have seen it? It has always looked like a truck I've seen around here? The fireball. Is that something they drop from a plane? It looks huge. I'm cool with more pics.:popcorn:
 
Oh man, I was out at Oshkosh with my Blazer. It was a blast. Too bad I didn't see your burb.
 
Oh man, I was out at Oshkosh with my Blazer. It was a blast. Too bad I didn't see your burb.

Yeah, I remember reading that and offering to meet up. But you were already on the way home by that point. Close, man...but not quite close enough. You could come back next year. :D
 
I've probably drove by your place plenty times. Did the truck in your avatar sit outside where I would have seen it? It has always looked like a truck I've seen around here? The fireball. Is that something they drop from a plane? It looks huge. I'm cool with more pics.:popcorn:
No, you wouldn't have seen it from any roads, and we were only West of town that one year.

The fireball is set off from the ground, but they do it while planes are flying around. It can put on a fairly good imitation of a dive-bombing run, when a plane swoops down on the crowd and the field lights up. It's well done, and the show is worth seeing sometime.

And each show will feature the "wall of fire" that I showed in my picture. I've seen them light that off during a dive-bombing run, but I think it's more typical to light it off as a stand-alone event. The thrill of seeing, feeling, and then hearing the whole horizon light up in flames simultaneously is an overwhelming treat. One of many that Airventure has to offer. :thumb:
 
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