87 300D road handling enigma

[bozemanbiofuels]

I have replaced virtually the entire suspension system on my 87 300D and it still wags around like a drunk driver. I suspected the subframe bushings but my alignment shop says they look fine and the car does not exhibit play while it's on the alignment rack. Ideas?

It has new Toyo premium tires, fully balanced and aligned, new coil springs, shocks, struts, tie rods, steering damper, front and rear sway bar bushings, rear dog bones (maybe 1 of the 4 has not been replaced), etc etc.

Also, what do I look for on the injectors once I finally find a 27mm socket that fits? It starts rough but is fine after a few minutes once it's warm.

Thanks in advance for the expertise of the forum!
Paul