Strange cluck.

[iitywygms]

I hate posting questions like this but I am at wits end.
I slid off course at the track about a month ago. Hit the dirt and pulled the right side rear tire off the rim. Put the spare on and limped to the tire shop to get things fixed. Anyway, ever since then I have this clunk that sounds like a hammer hitting the drivers side floor board.
It happens when going at an angle over speed bumps.
I have put it in gear with the ebrake on, bump the clutch, no noise.
I checked all the wheels by shaking them and looking for any slop. None to be found.
So I lift the car and check everything. Control arms, driveline, tension rods, exhaust. Everything is tight!
Could this be a bad strut? I do not see any leaks. The top and bottom bolts are tight.
I have progress sway bars with heim links so I thought they might be binding. I raise one tire until the other tire start to move and see no binding, hear no noise.
Motor and trans mounts are new nismo and the nuts are tight.
New aluminum subframe bushings so i know that is not it.
So, if anyone has any advice it will be appreciated. Yes I know, stay on the track is a good start.

[iitywygms]

Fixed.
It was the sway bar/heim joint connection. It felt tight with the wheels in the air. I finally found it by lifting one tire at a time and checking each thing one at a time.