Don't 4th gen LCAs require a bit of work to make them fit/work? My guess would maybe be something around there, perhaps with how/where the tie rods interact
Also generally interested in hearing about this LCA swap, iirc I've only read it once or twice on here
Edit: skimmed over the part about weight on vs off the wheels. That's very strange. Maybe droop has something to do with it, but my money is still something to do with the steering rack. I believe
@
MStudt
knows a little about this subject.
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Y2K Highlander
Millennium Silver 3.4L auto @ 320k and climbing
Toytecs + 5100s / 7.5 wrap + OME spacers + Tokicos / JBA UCAs / Anonymous Fab. LBJs / Total Chaos Gussets / EimKeith PCK + LCAR / Extended Bump Stops; Brake Lines; Rear Diff Breather / True North Fab. Hybrid Bumper / CBI Hybrid Bumper + Tire Carrier / 4xInnovations Hybrid Sliders / Opt Offroad Trailing Arms / Lil Skip Gas Skid / BudBuilt Front Skid / ARB Rear Locker