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Project: Baja Jeep

53K views 245 replies 55 participants last post by  miguelitojeep 
#1 · (Edited)
97 Jeep Wrangler started out as a daily driver. Bought in 2003, and started building it since. Blah blah blah… here is the plan:

Started with:
-97 TJ, 4.0 AX-15
-Locked and loaded HP30 / D44 (for sale)
-98” wheelbase with Rock Krawler long arm kit
-35” MTRs
-Rubicon NV241OR t-case

Baja Jeep Build:
The plan is to build this Jeep into something that can dance through the fast stuff, and walk through big rocks. It will stay street legal… I hope. Looking to have 107-108” wheelbase on 37s. I want this thing to sit low and have a reliable drivetrain. Nick at NV Fab is doing the build, and he does some kick ass stuff.

Parts List:
FRONT:
-ECGS Built Ford D60 , (65”wms)
-Yukon Shafts,Yukon Grizzly Locker, 5:38 Gears, Yukon Hubs
-Weaver Fab high steer arms (driver and passenger)
-Ruffstuff steering/heims
-PSC Hydro Assist

REAR:
-Rock Jock D60 rear with 5:38s and ARB

Other:
-Atlas 4.3 2spd T-case
-2.5 Fox 14" shocks all around
-Rear trailing arms!
-Fox Air Bumps
-Genright 20 Gallon Tank
-Ruffstuff heims for suspension
-Raceline Wheels on 37” MTRs
-Currie Sway Bar
-Other things
-LOTS of fab work

On with the show…

[2003]


[2009-ish]

[2015]






 
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#16 ·
Nice build. Maybe I missed it but what's the reason for the bolts on the upper links being vertical? Seems like you could potentially reach the end of travel of the joints vs mounting them with the bolts horizontal. Nice work
 
#19 ·
And get the joints closer together for roll center...
 
#26 ·
Might as well not use a bearing then. Just use 3 tabs. On engineering paper it works fine.

The bearing of the heim is only captured by the body of the heim on one axis. If it's vertical and trying to control side to side movement then some of the load is being put on the part of the bearing that isn't supported by the body of the heim. The way the OP has it set up is the strongest. Look at trophy truck a arms. Sure they could get more travel if they set the uniball up vertical, but it isn't the strongest way. And depending on bolt size, you can get a whole lot of mis alignment out of a heim, to achieve travel.
 
#27 ·
The design is fine, provided pinion angle change doesn't exceed the travel of the heim. All the links are in push/pull, no side load. The design of a triangulated four link or a track bar eliminates side load. The axle wouldn't locate itself without proper track bar or triangulation without it.
 
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