Good replies,
For just a good size roof tent, use 3 roof bars.
But also some thing to remember, I originally had 2 roof bars,
Then I added a 3rd.
What I found was the curvature of the roof, front to back, (roof rails) was almost 12mm.
I had to build up the front roof bar, so all 3 bars were level, and each taking an appropriate loading.
This was on my LC, 120 series, so all vehicles will, or might be different.
Just an observation.
'vette
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