My limited experience with my TR6 on an autocross crouse is that it would
plow under power and oversteer on decel. Perhaps the rear sway bar
exacerbates the oversteer but I think the swapping is due to soft springs
in the rear. The semi trailing arms tend to change camber as the wheels
move up and down which changes the amount of bite they get on the road.
Rear end squat under power generates significant negative camber and nose
dive under decelleration changes that camber to near positive (if not
actuall positive) camber.
I plan on experimenting with stiffer springs which should limit the rear
end bobbing and resulting camber changes. You might give it a try and
report back.
My solid axle 4a would do the same... trailing throttle oversteer. It's a
hoot when you get the hang of it. Turn hard and understeer, lift to allow it
to drift into the correct line and throttle out of the oversteer to the next
pylon. Fun
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