Hehe funny thread
Both cars are no rip off. The psi has some good ideas in it, like the idler mount thingie. No need to compare the two cars to see which one is better. Just race whatever you like (but I prefer AC of course
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But the thread was about the shocktower, and imho it doesn't break more than on ony other 1/10th offroad car. if you land upside down, with the tower touching the ground first, there is a fair chance of breaking it. Depends on the surface a lot, for example mine broke on very soft astro, which in fact is worse than hard clay, as it hooks in it and snaps immediatly.
I didn't have a spare one, so tried to fix it quickly with glue and anything I could find. Of course it snapped again, so fixed it better with some epoxy. Then it snapped somewhere else (where I drilled a small hole). Fixed again with carbon parts, snapped at the bottom, fixed again, etc... Pretty normal if you don't have any good tools and materials to fix it
Didn't break the shocktower since then, and did a lot of races on difficult tracks (robin hood, eden park, ...).
If anything is weak on the losi car it's the front arms, not the rear shocktower!