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Johnny's GoatBuilt JHF buggy build

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214K views 993 replies 64 participants last post by  JohnnyJ  
#1 · (Edited)
At post 110 I changed my mind and decided I would build a buggy instead of the Wag. The Wag continues to wait for it's next build.

At post 187 I ordered up a GoatBuilt JHF chassis to hopefully speed this up. (edit: nope)

Current Build plan:
GoatBuilt JHF Chassis, 108" wheelbase, "jeep" hood and grille
2007 Ford F250 Dana 60, 5.38, Sparty locker, JHF high-steer
- narrowed 4" to use 78 F250 axleshaft on the long side, using factory 1550 shafts
1998 Chevy K3500 14-bolt, shaved, 5.38, Detroit, 1/2t chevy disc brakes
39" BFG Krawler Red labels on KMC Machete Beadlocks
2001 GMC Yukon XL 6.0L LQ4
  • Holley TerminatorX EFI
  • Champ oil pan (high-ish clearance, baffled, steel)
  • Dorman LS2 car intake and Warr cable throttle body
  • Holley fuel rails with late-model 6.0 truck injectors (EV6, E85 flow rates, 12613412)
  • Goatbuilt accessory brackets, TC pump on driver's side, alt on passenger
  • GM 706 heads
  • BTR Truck Norris cam
TH400 built by Tranny Tom, Reverse Manual with Winters/WOD shifter
Atlas transfer case, 3.0 low range
Fox 2.5 air shocks
PSC Full Hydro, 2.5x10" ram, TC-pump
Mastercraft cheap seats with Impact 5-point harnesses
Griffin 31x19 radiator, Derale 16927 shroud and twin fans
Goatbuilt fuel tank and factory fuel pump
Magnaflow muffler mpe-12649

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I bought my Wagoneer in 1997. It was my first 4x4 and I bought it so that me and my friends could go camping and have room for our gear since we all drove econoboxes. That fall I ended up moving to Germany for 18 months and it went into storage.

When I got back I rebuilt the AMC 360 with the help of a friend, and we did enough maintenance on the rest to get it on the road. Over the next few years it got a 4" lift and went from 31s and then 35s when I put a 3" body lift. We did some wheeling with it and eventually I put it on 33 Stampers from my old Wrangler.

In around 2005 it was parked due to lack of time and using any spare time on my Wrangler. A few years later we stole the drive train for the TREC Wagoneer, and it has sat since.

Over the summer I got out of racing, bought a RZR and drug this back in the shop. I'm thinking I want to get it back on the road and trails.

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#881 ·
I got the Amazon 5 uncle brand. Looks pretty much identical.

I put a front tow point on the winch tray. I thought had some 3/8” flat, but it was only 5/16. It’s two pieces welded together for 5/8” thickness. I made one leg long to extend down the winch tray and used my press to bend it to shape. Hopefully that's enough weld surface.


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#883 ·
lol complete. We are headed to AOAA/Rausch Creek the weekend after Labor Day, so I'm trying to knock out some nice to dos for that. When we get back I'd like to make a full set of panels for it, so if I do want to run them the tabs are there. I've also gone back and forth and adding a tube here or there. Then I hope to tear it down and paint it. I'll work in tear down and paint around any other potential wheeling opportunities. When I reassemble I want to use some Deutsch connectors to make it easy to remove electrical. I figure disassembly will show me where I need them.
 
#884 · (Edited)
I bled the brakes. It drew down some fluid, but not crazy amounts like I thought it might. Tried to watch a few videos to see how quickly other units draw down the master. In the end, brakes feel the same. So either I had a decent bleed on the brakes or the unit did nothing. I did test that it pulled vacuum and it does. Not crazy amounts but there's some suction.

follow up: for a sanity check I poured the recovered brake fluid into an empty container and then used the device to vacuum it out. It seemed to do fine. So I think it's just my brakes require a lot of throw.
 
#886 ·
Saturday I noticed that my drinker's side upper ball joint was loose and the cotter pin was still in place. The upper ball joint had pulled up about 3/8". Driver's side is fine. I ordered a fresh spicer unit from Jeffs Bronco Graveyard. Took it apart tonight. Was struggling to pull the axle shaft out, finally it came out with the inner axle seal stuck on the shaft. FML

I was able to cut it off without f'n up the seal surface, so that's a win. Also had a spare set of inner seals in the cabinet. So tomorrow I'll pull down the driver's side and remove that axle shaft, drop out the ring and pinion, and install at least one new inner seal. I have a feeling the other will have the same fate.

Leave Thursday morning. But at least everything else is good to go.
 
#890 ·
drinker's side upper ball joint
You watch Vice Grip Garage?

Was struggling to pull the axle shaft out, finally it came out with the inner axle seal stuck on the shaft. FML
Wow I've never seen that before. Thank goodness for being prepared with spare parts ready to go!
 
#899 · (Edited)
with 8000 acres, they have something for most everyone. Lots of SXS, quad, and dirt bikes out there. We chatted with a group that had rigs from mostly stock to reasonably built and they have been coming from 3 hours away for years. They were running blue and black trails. We ran a few black and reds.

Mammoth is their halo crawling trail. It cost money to build, but still cheaper than land restoration. They now have something to bring in crawlers from all around, and could easily host competition crawls on it with easy to spectate access. They had hosted a few Ultra4 races in other sections of the park in the past.